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an important notice at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. advance information for pre-production products; subject to change without notice. tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 tcan1044x-q1 automotive high speed can transceiver 1 1 features 1 ? aec q100: qualified for automotive applications ? device temperature grade 1: ? 40 c to 125 c t a ? meets the requirements of iso 11898-2:2016 and iso 11898-5:2007 physical layer standards ? support of classical can and can fd up to 5 mbps ? short and symmetrical propagation delays and fast loop times for enhanced timing margin ? higher data rates in loaded can networks ? i/o voltage range supports 1.8 v to 5 v ? optimized behavior when unpowered ? bus and logic terminals are high impedance (no load to operating bus or application) ? hot plug capable: power up/down glitch free operation on bus and rxd output ? meets or exceeds the standard requirements: ? sae j2962-2 (2016) communication transceivers qualification ? gift/ict ? iso 16845-2 high speed medium access unit conformance ? protection features ? iec esd protection of bus terminals: 15 kv ? bus fault protection: 42 v ? undervoltage protection on supply terminals ? driver dominant timeout (txd dto) ? data rates down to 9.2 kbps ? thermal shutdown protection (tsd) ? junction temperatures from: ? 40 c to 150 c ? available in soic (8) package and leadless vson (8) package 3.0 mm x 3.0 mm with improved automated optical inspection (aoi) capability 2 applications ? 12-v system applications ? automotive and transportation ? advanced driver assistance system (adas) ? infotainment ? body electronics & lighting 3 description the tcan1044x-q1 devices are high speed controller area network (can) transceivers that meet the physical layer requirements of the iso 11898- 2:2016 high speed can specification providing an interface between the can bus and a can protocol controller. the tcan1044x-q1 devices support both classical can and can fd networks up to 5 megabits per second (mbps). the device part numbers with the " v " suffix include internal logic level translation via the v io terminal to allow for interfacing directly to 1.8 v, 3.3 v, or 5 v controllers. the devices have a low-power standby mode which supports remote wake-up via the iso 11898-2:2016 defined wake-up pattern (wup). the tcan1044x-q1 devices include many protection and diagnostic features including thermal shutdown (tsd), driver dominant timeout (txd dto), and bus fault protection up to 42 v. device information (1) part number package body size (nom) tcan1044x-q1 soic (d) (8) 4.90 mm x 3.91 mm vson (drb) (8) 3.00 mm x 3.00 mm (1) for all available packages, see the orderable addendum at the end of the data sheet. simplified block diagram 6 7 tsd uvp mode select 4 8 logic output txd stb rxd canh canl gnd 5 nc or v io 3 v cc 1 2 v cc or v io v cc or v io dominant time-out v cc or v io wup monitor mux low power receiver advance information tools & software technical documents ordernow productfolder support &community
2 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated table of contents 1 features .................................................................. 1 2 applications ........................................................... 1 3 description ............................................................. 1 4 revision history ..................................................... 2 5 pin configuration and functions ......................... 3 6 specifications ......................................................... 4 6.1 absolute maximum ratings ...................................... 4 6.2 esd ratings ............................................................ 4 6.3 esd ratings, iec specification ............................... 4 6.4 recommended operating conditions ....................... 4 6.5 thermal characteristics ............................................ 5 6.6 power supply characteristics ................................... 5 6.7 dissipation ratings ................................................... 6 6.8 electrical characteristics ........................................... 6 6.9 switching characteristics .......................................... 8 6.10 typical characteristics ............................................ 9 7 parameter measurement information ................ 10 8 detailed description ............................................ 15 8.1 overview ................................................................. 15 8.2 feature description ................................................. 15 8.3 device functional modes ........................................ 18 9 application and implementation ........................ 21 9.1 application information ............................................ 21 9.2 typical application ................................................. 21 9.3 system examples ................................................... 24 10 power supply recommendations ..................... 25 11 layout ................................................................... 25 11.1 layout guidelines ................................................. 25 11.2 layout example .................................................... 26 12 device and documentation support ................. 27 12.1 documentation support ........................................ 27 12.2 receiving notification of documentation updates 27 12.3 community resources .......................................... 27 12.4 trademarks ........................................................... 27 12.5 electrostatic discharge caution ............................ 27 12.6 glossary ................................................................ 27 13 mechanical, packaging, and orderable information ........................................................... 27 4 revision history note: page numbers for previous revisions may differ from page numbers in the current version. date revision notes august 2018 * initial release advance information
3 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 5 pin configuration and functions d package tcan1044(v)-q1 8-pin soic top view drb package tcan1044(v)-q1 8-pin vson top view pin functions pin type description name d drb txd 1 1 digital input can transmit data input (low for dominant and high for recessive bus states) gnd 2 2 gnd ground connection v cc 3 3 supply 5-v supply voltage rxd 4 4 digital output can receive data output (low for dominant and high for recessive bus states), tri- state when powered off nc 5 5 ? no connect (not internally connected); devices without v io v io supply i/o supply voltage; devices with v io canl 6 6 bus i/o low-level can bus input/output line canh 7 7 bus i/o high-level can bus input/output line stb 8 8 input standby input for mode control, integrated pull up thermal pad ? ? connect the thermal pad to the printed circuit board (pcb) ground plane for thermal relief advance information 1 txd 8 stb 2 gnd 7 canh 3 v cc 6 canl 4 rxd 5 nc,v io not to scale thermal pad 1 txd 8 stb 2 gnd 7 canh 3 v cc 6 canl 4 rxd 5 nc,v io not to scale
4 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated (1) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions . exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) all voltage values, except differential i/o bus voltages, are with respect to ground terminal. 6 specifications 6.1 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) (1) (2) min max unit v cc supply voltage ? 0.3 6 v v io supply voltage i/o level shifter ? 0.3 6 v v bus can bus i/o voltage (canh, canl) ? 42 42 v v diff max differential voltage range between canh and canl -27 27 v v logic_input logic input terminal voltage ? 0.3 6 v v rxd rxd output terminal voltage range ? 0.3 6 v i o(rxd) rxd output current ? 8 8 ma t j operating virtual junction temperature range ? 40 150 c t stg storage temperature ? 65 150 c (1) aec q100-002 indicates that hbm stressing shall be in accordance with the ansi/esda/jedec js-001 specification. 6.2 esd ratings value unit v esd electrostatic discharge human-body model (hbm), per aec q100- 002 (1) hbm classification level 3a for all pins 4000 v hbm classififation level 3b for global pins canh & canl 10000 v charged-device model (cdm), per aec q100-011 cdm classification level c5 for all pins 750 v (1) tested according to iec 62228-3 can transcievers (2018), section 6.4; din en 61000-4. (2) tested according to iec 62228-3 can transcievers (2018), section 6.3; standard pulses parameters defined in iso 7637-2 (2011) (3) tested according to iso 7637-3 (2017); electrical transient transmission by capacitive and inductive coupling via lines other than supply lines 6.3 esd ratings, iec specification value unit v esd system level electro-static discharge (esd) (1) can bus terminals (canh, canl) to gnd iec 61000-4-2 (150pf, 330 ? ): unpowered contact discharge 15000 v v tran iso7637 iso pulse transients (2) can bus terminals (canh, canl) pulse 1 ? 100 v pulse 2a 75 v pulse 3a ? 150 v pulse 3b 100 v iso7637 slow transients pulse (3) can bus terminals (canh, canl) to gnd dcc slow transient pulse 85 v 6.4 recommended operating conditions min nom max unit v cc supply voltage 4.5 5 5.5 v v cc supply voltage - velio compliance 4.75 5 5.25 v v io supply voltage for i/o level shifter 1.7 5.5 v i oh(rxd) rxd terminal high level output current ? 2 ma i ol(rxd) rxd terminal low level output current 2 ma t a operational free-air temperature (see thermal characteristics table) ? 40 125 c advance information
5 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 6.5 thermal characteristics thermal metric tcan1044x ? q1 unit d (soic) dmt (vson) r ja junction-to-ambient thermal resistance 128.1 49.9 c/w r jc(top) junction-to-case (top) thermal resistance 68.3 58.2 c/w r jb junction-to-board thermal resistance 71.6 23.9 c/w jt junction-to-top characterization parameter 19.7 1.7 c/w jb junction-to-board characterization parameter 70.8 23.8 c/w r jc(bot) junction-to-case (bottom) thermal resistance ? 6.4 c/w 6.6 power supply characteristics over recomended operating conditions with t j = -40 to 150 (unless otherwise noted) parameter test conditions min typ max unit i cc supply current normal mode dominant see figure 6 ,txd = 0 v, r l = 60 ? , c l = open 70 ma i cc supply current normal mode dominant see figure 6 , txd = 0 v, r l = 50 ? , c l = open 80 ma i cc supply current normal mode dominant with bus fault see figure 6 , txd = 0 v, canh = canl = 25 v, r l = open, c l = open 180 ma i cc supply current normal mode recessive see figure 6 , txd = v cc , r l = 50 ? , c l = open, rcm = open 5 ma i cc supply current standby mode see figure 6 , txd = v cc , r l = 50 ? , c l = open , devices with v io 1 a i cc supply current standby mode see figure 6 , txd = v cc , r l = 50 ? , c l = open, devices without v io 12 a i io i/o supply current normal mode (devices with v io ) dominant rxd floating, txd = 0 v 300 a i io i/o supply current normal mode (devices with v io ) recessive rxd floating, txd = v cc 35 a i io i/o supply current standby mode (devices with v io ) rxd floating, txd = v cc 11 a uv vcc rising under voltage detection on v cc for protected mode 4.2 4.4 v uv vcc falling under voltage detection on v cc for protected mode 3.5 4 4.5 v uv vio rising under voltage detection on v io (devices with v io ) 1.65 v uv vio falling under voltage detection on v io (devices with v io ) 1.4 v advance information
6 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 6.7 dissipation ratings over operating free-air temperature range (unless otherwise noted) parameter test conditions min typ max unit p d average power dissipation normal mode v cc = 5 v, v io = 1.8 v, t j = 27 c, r l = 60 , txd input = 250 khz 50% duty cycle squarewave, c l_rxd = 15 pf tbd v v cc = 5 v, v io = 3.3 v, t j = 27 c, r l = 60 , txd input = 250 khz 50% duty cycle squarewave, c l_rxd = 15 pf tbd v cc = 5 v, v io = 5 v, t j = 27 c, r l = 60 , txd input = 250 khz 50% duty cycle squarewave, c l_rxd = 15 pf tbd v cc = 5.5 v, v io = 1.8 v, t j = 150 c, r l = 60 , txd input = 2.5 mhz 50% duty cycle squarewave, c l_rxd = 15 pf tbd v cc = 5.5 v, v io = 3.3 v, t j = 150 c, r l = 60 , txd input = 2.5 mhz 50% duty cycle squarewave, c l_rxd = 15 pf tbd v cc = 5.5 v, v io = 3.3 v, t j = 150 c, r l = 60 , txd input = 2.5 mhz 50% duty cycle squarewave, c l_rxd = 15 pf tbd t tsd thermal shutdown temperature 192 c t tsd_hys thermal shutdown hysteresis 10 6.8 electrical characteristics over recomended operating conditions with t a = -40 to 125 (unless otherwise noted) parameter test conditions min typ max unit driver electrical characteristics v o(d) dominant output voltage normal mode canh see figure 4 and figure 7 , txd = 0 v, r l = 60 ? , c l = open 2.75 4.5 v canl 0.5 2.25 v v o(r) recessive output voltage normal mode see figure 4 and figure 7 , txd = v cc , r l = open 2 0.5 x v cc 3 v v sym driver symmetry (v o(canh) + v o(canl) )/v cc see figure 7 and figure 16 , r term = 60 ? , c l = open, c split = 4.7 nf 0.9 1.1 v/v v sym_dc dc output symmetry (v cc - v o(canh) - v o(canl) ) see figure 4 and figure 7 , r l = 60 ? , c l = open ? 400 400 mv v od(d) differential output voltage normal mode dominant see figure 4 and figure 7 , txd = 0 v, 50 ? r l 65 ? , c l = open 1.5 3 v see figure 4 and figure 7 , txd = 0 v, 45 ? r l 70 ? , c l = open 1.4 3.3 v see figure 4 and figure 7 , txd = 0 v, r l = 2240 ? , c l = open 1.5 5 v v od(r) differential output voltage normal mode recessive see figure 4 and figure 7 , txd = v cc , r l = 60 ? , c l = open ? 120 12 mv see figure 4 and figure 7 , normal mode, txd = v cc , r l = open, c l = open ? 50 50 mv v o(stb) bus output voltage standby mode canh, no load -0.1 0 0.1 v canl, no load -0.1 0 0.1 v canh - canl, no load -0.2 0 0.2 v i os(dom) short-circuit steady-state output current, dominant see figure 4 and figure 12 , normal mode, -15 v v (can_h) 40 v, txd = 0 v ? 115 ma see figure 4 and figure 12 , normal mode, -15 v v (can_l) 40 v, txd = 0 v 115 ma advance information
7 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated electrical characteristics (continued) over recomended operating conditions with t a = -40 to 125 (unless otherwise noted) parameter test conditions min typ max unit i os(rec) short-circuit steady-state output current; recessive see figure 4 and figure 12 , normal mode, ? 27 v v bus 32 v, v bus = canh = canl ? 5 5 ma receiver electrical characteristics v it input threshold voltage normal mode see figure 8 , table 1 , and table 6 -12 v v cm 12 v 500 900 mv v it(stb) input threshold standby mode see figure 8 , table 1 , and table 6 -12 v v cm 12 v 400 1150 mv v diff(dom) normal mode dominant state differential input voltage range see figure 8 , table 1 , and table 6 -12 v v cm 12 v 0.9 9 v v diff(dom) standby mode dominant state differential input voltage range see figure 8 , table 1 , and table 6 -12 v v cm 12 v 1.15 9 v v diff(rec) normal mode recessive state differential input voltage range see figure 8 , table 1 , and table 6 -12 v v cm 12 v -4 0.5 v v diff(rec) standby mode recessive state differential input voltage range see figure 8 , table 1 , and table 6 -12 v v cm 12 v -4 0.4 v v hys hysteresis voltage for input threshold normal mode see figure 8 , table 1 , and table 6 -12 v v cm 12 v 100 mv v cm common mode range normal and standby modes see figure 8 and table 6 ? 12 12 v i lkg(ioff) unpowered bus input leakage current canh = canl = 5 v, v cc = v io = gnd 5 a c i input capacitance to ground (canh or canl) txd = v cc , v io = v cc 20 pf c id differential input capacitance txd = v cc , v io = v cc 10 pf r id differential input resistance normal mode, txd = v cc = v io = 5 v -12 v v cm 12 v 40 90 k r in single ended input resistance (canh or canl) 20 45 k r in(m) input resistance matching [1 ? (r in(canh) / r in(canl) )] 100 % v (can_h) = v (can_l) = 5v ? 1% 1% txd terminal (can transmit data input) v ih high-level input voltage devices without v io 0.7 v cc v v ih high-level input voltage devices with v io 0.7 v io v v il low-level input voltage devices without v io 0.3 v cc v v il low-level input voltage devices with v io 0.3 v io v i ih high-level input leakage current txd = v cc = v io = 5.5 v ? 2.5 0 1 a i il low-level input leakage current txd = 0 v, v cc = v io = 5.5 v ? 200 -100 ? 20 a i lkg(off) unpowered leakage current txd = 5.5 v, v cc = v io = 0 v ? 1 0 1 a c i input capacitance v in = 0.4 sin(2 2 10 6 t)+2.5 v 5 pf rxd terminal (can receive data output) v oh high-level input voltage devices without v io see figure 8 , i o = ? 2 ma 0.8 v cc v v oh high-level input voltage devices with v io see figure 8 , i o = ? 2 ma 0.8 v io v v ol low-level input voltage devices without v io see figure 8 , i o = 2 ma 0.2 v cc v v ol low-level input voltage devices with v io see figure 8 , i o = 2 ma 0.2 v io v i lkg(off) unpowered leakage current rxd = 5.5 v, v cc = v io = 0 v ? 1 0 1 a stb terminal ( standby mode input) v ih high-level input voltage devices without v io 0.7 v cc v advance information
8 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated electrical characteristics (continued) over recomended operating conditions with t a = -40 to 125 (unless otherwise noted) parameter test conditions min typ max unit v ih high-level input voltage devices with v io 0.7 v io v v il low-level input voltage devices without v io 0.3 v cc v v il low-level input voltage devices with v io 0.3 v io v i ih high-level input leakage current stb v cc = v io = stb = 5.5 v ? 2 2 a i il low-level input leakage current stb v cc = v io = 5.5 v, stb = 0 v ? 20 ? 2 a i lkg(off) unpowered leakage current stb = 5.5v, v cc = v io = 0 v ? 1 0 1 a 6.9 switching characteristics over recomended operating conditions with t a = -40 to 125 (unless otherwise noted) parameter test conditions min typ max unit device switching characteristics t prop(loop1) total loop delay, driver input (txd) to receiver output (rxd), recessive to dominant see figure 9 , normal mode, v io = 2.8 v to 5 v, r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf 100 180 ns see figure 9 , normal mode, v io = 1.8 v, r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf 150 255 ns t prop(loop2) total loop delay, driver input (txd) to receiver output (rxd), dominant to recessive see figure 9 , normal mode, v io = 2.8 v to 5 v, r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf 110 180 ns see figure 9 , normal mode, v io = 1.8 v, r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf 150 255 ns t mode mode change time, from normal to standby or from standby to normal see figure 10 20 s t wk_filter filter time for a valid wake-up pattern see figure 14 0.5 1.8 s t wk_timeout bus wake-up timeout value see figure 14 0.8 5 ms driver switching characteristics t phr propagation delay time, high txd to driver recessive (dominant to recessive) see figure 7 r l = 60 ? , c l = 100 pf, r cm = open 75 ns t pld propagation delay time, low txd to driver dominant (recessive to dominant) 65 ns t sk(p) pulse skew (|tphr - tpld|) 20 ns t r differential output signal rise time 45 ns t f differential output signal fall time 45 ns t txd_dto dominant timeout see figure 11 , r l = 60 ? , c l = 100 pf 1.2 4.0 ms receiver switching characteristics t prh propagation delay time, bus recessive input to high output (dominant to recessive) see figure 8 c l(rxd) = 15 pf 65 ns t pdl propagation delay time, bus dominant input to low output (recessive to dominant) 50 ns t r rxd output signal rise time 10 ns t f rxd output signal fall time 10 ns fd timing characteristics advance information
9 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated switching characteristics (continued) over recomended operating conditions with t a = -40 to 125 (unless otherwise noted) parameter test conditions min typ max unit t bit(bus) bit time on can bus output pins with t bit(txd) = 500 ns see figure 9 , stb = 0 v, r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf 435 530 ns t bit(bus) bit time on can bus output pins with t bit(txd) = 200 ns 155 210 ns t bit(rxd) bit time on rxd output pins with t bit(txd) = 500 ns 400 550 ns t bit(rxd) bit time on rxd output pins with t bit(txd) = 200 ns 120 220 ns t rec receiver timing symmetry with t bit(txd) = 500 ns r l = 60 ? , c l = 100 pf, c l(rxd) = 15 pf t rec = t bit(rxd) - t bit(bus) -65 40 ns t rec receiver timing symmetry with t bit(txd) = 200 ns -45 15 ns 6.10 typical characteristics figure 1. v od(d) over temperature figure 2. v od(d) over v cc graph placeholder c00 advance information
10 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 7 parameter measurement information figure 3. bus states a. normal mode b. standby mode (low power) figure 4. simplified recessive common mode bias unit and receiver recessive dominant recessive time, t typical bus voltage normal mode standby mode canl canh v diff v diff bias unit 2.5v ab gnd canl canh rxd advance information
11 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated parameter measurement information (continued) figure 5. example timing diagram for txd dominant timeout figure 6. i cc test circuit figure 7. driver test circuit and measurement r l canh canl txd c l normal can communication can bus signal txd fault stuck dominant: example pcb failure or bad software fault is repaired & transmission capability restored txd (driver) %xvzrxogeh3vwxfngrplqdqweorfnlqjfrppxqlfdwlrqiruwkhzkroh qhwzrunexw7;''72 prevents this and frees the bus for communication after the time t txd_dto . t txd _ dto communication from local node communication from repaired node rxd (receiver) communication from other bus node(s) communication from repaired local node communication from other bus node(s) t txd_dto driver disabled freeing bus for other nodes v od r l canh canl txd r cm r cm v cm c l txd 0.9v 0.5v v od t pld t phr 50% 50% v o(canh) v o(canl) 10% t r t f 90% 0v v cc advance information
12 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated parameter measurement information (continued) figure 8. receiver test circuit and measurement table 1. receiver differential input voltage threshold test (see figure 8 ) input output v canh v canl |v id | rxd -11.5 v -12.5 v 1000 mv l v ol 12.5 v 11.5 v 1000 mv l -8.55 v -9.45 v 900 mv l 9.45 v 8.55 v 900 mv l -8.25 v -9.25 v 500 mv h v oh 9.25 v 8.25 v 500 mv h -11.8 v -12.2 v 400 mv h 12.2 v 11.8 v 400 mv h open open x h advance information v o c l_rxd canh rxd canl v id v id 0.5v 0.9v 1.5v 0v v o(rxd) 50% v oh v ol t pdl t prh 90% 10% t r t f i o
13 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated figure 9. transmitter and receiver timing test circuit and measurement figure 10. t mode test circuit and measurement advance information 5 x t bit(txd) txd rxd v oh v ol 70% 70% 30% t bit(txd) 30% t loop2 30% v i 0v t bit(rxd) 500mv 900mv t bit(bus) t loop1 v diff r l canh canl txd c l v o c l_rxd rxd stb v i 0v t mode stb rxd v oh v ol v ih 0v 30% 30% r l canh canl txd c l v o c l_rxd rxd stb v i 0v
14 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated figure 11. txd dominant timeout test circuit and measurement figure 12. driver short-circuit current test and measurement v od r l canh canl txd c l txd 0.9v 0.5v v od 0v v ih t txd_dto 0v v od(d) canh canl txd 0v v bus v bus i os v bus 0v v bus v bus or 200 s i os advance information
15 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 8 detailed description 8.1 overview the tcan1044x-q1 device s meet or exceed the specifications of the iso 11898-2:2016 high speed can (controller area network) physical layer standard. the device s have been certified to the requirements of iso 11898-2:2016 and iso 11898-5:2007 physical layer requirements according to the gift/ict high speed can test specification. the tcan1044x-q1 device s provides differential transmit capability to the can bus and differential receive capability from the can bus. the device includes many protection features providing device and can bus robustness. the tcan1044x-q1 supports can and can fd (flexible data rate) up to 5 mbps. 8.1.1 functional block diagrams figure 13. tcan1044(v)-q1 block diagram 8.2 feature description 8.2.1 can bus states the can bus has two logical states during operation: recessive and dominant. see figure 3 and figure 4 . a dominant bus state is when the bus is driven differentially, corresponding to a logic low on the txd and rxd terminal. a recessive bus state is when the bus is biased to v cc / 2 via the high-resistance internal input resistors r in of the receiver, corresponding to a logic high on the txd and rxd terminals. 6 7 tsd uvp mode select 4 8 logic output txd stb rxd canh canl gnd 5 nc or v io 3 v cc 1 2 v cc or v io v cc or v io dominant time-out v cc or v io wup monitor mux low power receiver advance information
16 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated feature description (continued) a dominant state overwrites the recessive state during arbitration. multiple can nodes may be transmitting a dominant bit at the same time during arbitration, in this case the differential voltage of the bus will be greater than the differential voltage of a single driver. the host controller of the can node uses the txd terminal to drive the bus and will receive data from the bus on the rxd terminal. using the tcan1044x-q1 devices allows for the i/o voltage to be level shifted between 1.8 v to 5 v for the host controller via the v io pin. transceivers with low power standby (stb) mode have a third bus state where the bus terminals are weakly biased to ground via the high resistance internal resistors of the receiver. see figure 3 and figure 4 . 8.2.2 txd dominant timeout (dto) during normal mode, the only mode where the can driver is active, the txd dto circuit prevents the local node from blocking network communication in event of a hardware or software failure where txd is held dominant longer than the timeout period t txd_dto . the txd dto circuit is triggered by a falling edge on txd. if no rising edge is seen before the timeout constant of the circuit, t txd_dto , the can driver is disabled. this frees the bus for communication between other nodes on the network. the can driver is re-activated when a recessive signal is seen on txd terminal, thus clearing the dominant time out. the receiver remains active and the rxd terminal will reflect the activity on the can bus and the bus terminals will be biased to recessive level during a txd dto fault. the minimum dominant txd time allowed by the txd dto circuit limits the minimum possible transmitted data rate of the device. the can protocol allows a maximum of eleven successive dominant bits (on txd) for the worst case, where five successive dominant bits are followed immediately by an error frame. the minimum transmitted data rate may be calculated using equation 1 minimum data rate = 11 bits / t txd_dto = 11 bits / 1.2 ms = 9.2 kbps (1) 8.2.3 can bus short circuit current limiting the tcan1044x-q1 device s have several protection features that limit the short circuit current when a can bus line is shorted. these include can driver current limiting in dominant and recessive states. the device s have txd dominant timeout which prevents permanently having the higher short circuit current of dominant state in case of a system fault. during can communication the bus switches between the dominant and recessive states, thus the short circuit current may be viewed either as the current during each bus state or as a dc average current. for system current and power considerations in the termination resistors and common mode choke ratings the average short circuit current should be used. the percentage dominant is limited by the txd dominant timeout and can protocol which has forced state changes and recessive bits such as bit stuffing, control fields, and interframe space. these ensure there is a minimum recessive amount of time on the bus even if the data field contains a high percentage of dominant bits. note the short circuit current of the bus depends on the ratio of recessive to dominant bits and their respective short circuit currents. the average short circuit current may be calculated using equation 2 . i os(avg) = %transmit x [(%rec_bits x i os(ss)_rec ) + (%dom_bits x i os(ss)_dom )] + [%receive x i os(ss)_rec ] (2) advance information
17 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated feature description (continued) where: ? io s(avg) is the average short circuit current ? %transmit is the percentage the node is transmitting can messages ? %receive is the percentage the node is receiving can messages ? %rec_bits is the percentage of recessive bits in the transmitted can messages ? %dom_bits is the percentage of dominant bits in the transmitted can messages ? i os(ss)_rec is the recessive steady state short circuit current ? i os(ss)_dom is the dominant steady state short circuit current the short circuit current and possible fault cases of the network should be taken into consideration when sizing the power ratings of the termination resistance, other network components, and the power supply used to generate v cc . 8.2.4 thermal shutdown if the junction temperature of the device s exceed the thermal shutdown threshold the tcan1044x-q1 turns off the can driver circuitry thus blocking the txd to bus transmission path. the shutdown condition is cleared when the junction temperature of the tcan1044x-q1 drops below the thermal shutdown temperature of the device. the can bus terminals will be biased to recessive level during a thermal shutdown fault and the receiver to rxd path will remain operational. if the fault condition that caused the thermal shutdown is still present, the temperature may rise again and the device will enter thermal shutdown again. prolonged operation with thermal shutdown conditions may affect device reliability. the thermal shutdown circuit includes hysteresis to avoid oscillation of the driver output. 8.2.5 under voltage lockout (uvlo) and unpowered device the v cc supply terminal has under voltage detection circuitry which places the device in a protected mode if an under voltage fault occurs. this protects the bus during an under voltage event on the v cc terminal. if v cc enters an under voltage fault condition, the rxd terminal is tri-stated (high impedance) and the device does not pass any signals from the bus, including any remote wake-up events (wup). if the device is in normal mode and v cc supply is lost, or has a brown out that triggers the uvlo, the device will transition to a protected mode. the device is designed to be an "ideal passive" or ? no load ? to the can bus if the device is unpowered. the bus terminals (canh, canl) have extremely low leakage currents when the device is unpowered, so they will not load the bus. this is critical if some nodes of the network will be unpowered while the rest of the of network remains operational. logic terminals also have low leakage currents when the device is unpowered so they will not load other circuits which may remain powered. table 2. tcan1044x-q1 without v io under voltage protection v cc device state bus rxd > uv vcc operational per operating mode per operating mode < uv vcc protected high impedance high impedance once an under voltage condition is cleared and the v cc supply has returned to valid level the device will typically need t mode to transition to normal operation. the host controller should not attempt to send or receive messages until this transition time has expired. if stb is low and v cc has an under voltage event, the device will go into a protected mode which disables the wake-up receiver and places the rxd output into a high impedance state. advance information
18 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated table 3. tcan1044x-q1 with v io under voltage protection v cc v io device state bus rxd > uv vcc > uv vio normal per txd mirrors bus < uv vcc > uv vio protected high impedance high (recessive) > uv vcc < uv vio protected recessive high impedance < uv vcc < uv vio protected high impedance high impedance 8.3 device functional modes 8.3.1 operating modes the tcan1044x-q1 has two main operating modes; normal mode and standby mode. operating mode selection is made by applying a high level (v stb = v cc or v stb = v io on devices with v io ) to the stb input terminal. table 4. operating modes stb device mode driver receiver rxd terminal high low current standby mode with bus wake-up disabled low power receiver and bus monitor enable high (recessive) until wake-up, then filtered mirrors of bus state. see remote wake request via wake-up pattern (wup) in standby mode low normal mode enabled enabled mirrors bus state 8.3.2 normal mode this is the normal operating mode of the device. the can driver and receiver are fully operational and can communication is bi-directional. the driver is translating a digital input on the txd input to a differential output on canh and canl. the receiver is translating the differential signal from canh and canl to a digital output on rxd output. 8.3.3 standby mode this is the low power mode of the device. the can driver and main receiver are switched off and bi-directional can communication is not possible. the low power receiver and bus monitor circuits are enabled to allow for rxd wake-up requests via the can bus. a wake-up request will be output to rxd (driven low) as shown in figure 14 .the local can protocol controller should monitor rxd for transitions (high to low) and reactivate the tcan1044x-q1 to normal mode by pulling the stb terminal low. the can bus terminals are weakly pulled to gnd during this mode, see figure 4 . 8.3.4 remote wake request via wake-up pattern (wup) in standby mode the tcan1044x-q1 offers a remote wake-up request that is used to indicate to the host controller that the bus is active and the node should return to normal operation. the device uses the multiple filtered dominant wake-up pattern (wup) from the iso 11898-2:2016 standard to qualify bus activity. once a valid wup has been received, the wake request will be indicated to the controller by a falling edge and low corresponding to a "filtered" dominant on the rxd output of the tcan1044x-q1 terminal. the wup consists of a filtered dominant pulse, followed by a filtered recessive pulse, and finally by a second filtered dominant pulse. the first filtered dominant initiates the wup, and the bus monitor then waits on a filtered recessive; other bus traffic does not reset the bus monitor. once a filtered recessive is received the bus monitor is waiting for a filtered dominant and again, other bus traffic does not reset the bus monitor. immediately upon reception of the second filtered dominant the bus monitor recognizes the wup and drives the rxd output low every time an additional filtered dominant signal is received from the bus. for a dominant or recessive to be considered filtered, the bus must be in that state for more than the t wk_filter time. due to variability in t wk_filter the following scenarios are applicable. bus state times less than t wk_filter(min) are never detected as part of a wup and thus no wake request is generated. bus state times between t wk_filter(min) and t wk_filter(max) may be detected as part of a wup and a wake-up request may be generated. bus state times greater than t wk_filter(max) will always be detected as part of a wup and thus a wake request will always be generated. see figure 14 for the timing diagram of the wake-up pattern. advance information
19 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated (1) h = high level, l = low level, x = irrelevant (2) h = high level, l = low level, z = high z receiver bias (3) for bus state and bias see figure 3 and figure 4 the pattern and t wk_filter time used for the wup prevents noise and bus stuck dominant faults from causing false wake-up requests while allowing any can or can fd message to initiate a wake-up request. iso 11898-2:2016 has two sets of times for a short and long wake up filter times. the t wk_filter timing for the tcan1044x-q1 device has been picked to be within the minimum and maximum values of both filter ranges. this timing has been chosen such that a single bit time at 500 kbps, or two back to back bit times at 1 mbps triggers the filter in either bus state. for an additional layer of robustness and to prevent false wake ups, the device implements a wake-up timeout feature. for a remote wake-up event to successfully occur, the entire wup must be received within the timeout value t t wk_timeout . if not, the internal logic is reset and the part remains in its current state without waking up. the full pattern must then be transmitted again, conforming to the constraints mentioned in this section. see figure 14 for the timing diagram of the wake up pattern with wake timeout feature. figure 14. wake-up pattern (wup) with t wk_timeout 8.3.5 driver and receiver function the digital logic input and output levels for the tcan1044x-q1 are cmos levels with respect to v cc or v io for compatibility with protocol controllers having 1.8 v to 5 v logic or i/o levels. table 5. driver function table device mode txd input (1) bus outputs (2) driven bus state (3) canh canl normal l h l dominant h or open z z biased recessive standby x z z weak pull down to ground advance information bus v diff ? t wk_filter ? t wk_filter ? t wk_filter bus filtered dominant filtered dominant filtered recessive wake up pattern (wup) received in t < t wk_timeout rxd ? t wk_filter filtered dominant rxd output bus wake via rxd requests bus wake via rxd request waiting for filtered recessive waiting for filtered dominant
20 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated (1) h = high level, l = low level table 6. receiver function table normal and standby mode device mode can differential inputs v id = v canh ? v canl bus state rxd terminal (1) normal v id 0.9 v dominant l 0.5 v < v id < 0.9 v undefined undefined v id 0.5 v recessive h standby v id 1.15 v dominant h l if a remote wake event occurred see figure 0.4 v < v id < 1.15 v undefined v id 0.4 v recessive any open (v id 0 v) open h 8.3.6 floating terminals the tcan1044x-q1 has internal pull-ups on critical terminals to place the device into known states if the terminal floats. see table 7 : terminal bias for details on terminal bias conditions. table 7. terminal bias terminal pull up or pull down comment txd pull-up weakly biases txd toward recessive to prevent bus blockage or txd dto triggering stb pull-up weakly biases stb terminal towards low power standby mode to prevent excessive system power the internal bias should not be relied upon as only termination, especially in noisy environments but should be considered a failsafe protection. special care needs to be taken when the device is used with mcus utilizing open drain outputs. txd is weakly internally pulled up. the txd pull up strength and can bit timing require special consideration when this device is used with an open drain txd output on the controller can controller. an adequate external pull up resistor must be used to ensure that the txd output of the can controller maintains adequate bit timing input to the can transceiver. advance information
21 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 9 application and implementation note information in the following applications sections is not part of the ti component specification, and ti does not warrant its accuracy or completeness. ti ? s customers are responsible for determining suitability of components for their purposes. customers should validate and test their design implementation to confirm system functionality. 9.1 application information 9.2 typical application the tcan1044x-q1 transceivers are typically used in applications with a host controller or fpga that includes the link layer portion of the can protocol. figure 15 shows a typical application configuration for 5 v controller applications. the bus termination is shown for illustrative purposes. figure 15. typical tcan1044-q1 transceiver application using 5 v io connections advance information tcan1044 5v mcu stb rxd txd canh canl v cc port x rxd txd v cc 81 4 2 3 7 5 6 5v voltage regulator (e.g. tpsxxxx) v in v out gnd nc v in optional: terminating node optional: filtering, transient and esd
22 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated typical application (continued) 9.2.1 design requirements 9.2.1.1 can termination the iso 11898-2:2016 standard specifies the interconnection to be a single twisted pair cable (shielded or unshielded) with 120 characteristic impedance (z o ). resistors equal to the characteristic impedance of the line should be used to terminate both ends of the cable to prevent signal reflections. unterminated drop-lines (stubs) connecting nodes to the bus should be kept as short as possible to minimize signal reflections. the termination may be in a node but is generally not recommended, especially if the node may be removed from the bus. termination must be carefully placed so that it is not removed from the bus. system level can implementations such as canopen allow for different termination and cabling concepts, for example, to add cable length. termination may be a single 120- resistor at each end of the bus, either on the cable or in a terminating node. if filtering and stabilization of the common mode voltage of the bus is desired then split termination may be used, see figure 16 . split termination improves the electromagnetic emissions behavior of the network by reducing fluctuations in the bus. figure 16. can bus termination concepts advance information c split standard termination split termination can transceiver can transceiver canl canh r term r term /2 r term /2 canl canh
23 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated typical application (continued) 9.2.2 detailed design procedures 9.2.2.1 bus loading, length and number of nodes a typical can application can have a maximum bus length of 40 meters and maximum stub length of 0.3 m. however, with careful design, users can have longer cables, longer stub lengths, and many more nodes to a bus. a high number of nodes requires a transceiver with high input impedance such as the tcan1044x-q1 family. many can organizations and standards have scaled the use of can for applications outside the original iso 11898-2 standard. they made system level trade off decisions for data rate, cable length, and parasitic loading of the bus. examples of these can systems level specifications are arinc 825, canopen, devicenet, sae j2284, sae j1939, and nmea 2000. a can network system design is a series of tradeoffs. in the iso 11898-2:2016 specification the driver differential output is specified with a bus load that can range from 50 to 65 where the differential output must be greater than 1.5 v. the tcan1044x-q1 family is specified to meet the 1.5-v requirement down to 50 and is specified to meet 1.4-v differential output at 45 bus load. the differential input resistance of the tcan1044x- q1 is a minimum of 40 k . if 100 tcan1044x-q1 transceivers are in parallel on a bus, this is equivalent to a 400- differential load in parallel with the nominal 60 bus termination which gives a total bus load of approximately 52 . therefore, the tcan1044x-q1 family theoretically supports over 100 transceivers on a single bus segment. however for can network design margin must be given for signal loss across the system and cabling, parasitic loadings, timing, network imbalances, ground offsets and signal integrity thus a practical maximum number of nodes is much lower. bus length may also be extended beyond 40 meters by careful system design and data rate tradeoffs. for example, canopen network design guidelines allow the network to be up to 1 km with changes in the termination resistance, cabling, less than 64 nodes and significantly lowered data rate. this flexibility in can network design is one of the key strengths of the various extensions and additional standards that have been built on the original iso 11898-2 can standard. however, when using this flexibility the can network system designer must take the responsibility of good network design to ensure robust network operation. figure 17. tcan1044(v)-q1 typical can bus advance information mcu or dsp can controller tcan1044-q1 node 1 mcu or dsp can controller tcan1042-q1 node 2 mcu or dsp can controller tcan1043-q1 node 3 mcu or dsp can controller tcan1044v-q1 node n (with termination) r term r term
24 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated typical application (continued) 9.2.3 application curves figure 18. tbd figure 19. tbd 9.3 system examples the tcan1044x-q1 can transceivers are typically used in applications with a host controller or fpga that includes the link layer portion of the can protocol. typical application configuration for 1.8 v to 3.3 v controller applications are shown in figure 20 . the bus termination is shown for illustrative purposes. figure 20. typical tcan1044v-q1 transceiver application using 3.3 v io connections graph placeholder c00 advance information tcan1044v 1.8v mcu 3.3v mcu stb rxd txd canh canl v cc port x rxd txd v cc 81 4 2 3 7 5 6 5v voltage regulator (e.g. tpsxxxx) v in v out gnd v io v in 1.8v or 3.3v voltage regulator (e.g. tpsxxxx) v in v out optional: terminating node optional: filtering, transient and esd
25 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 10 power supply recommendations the tcan1044x-q1 device is designed to operate with a main v cc input voltage supply range between 4.5 v and 5.5 v. the tcan1044x-q1 implements an i/o level shifting supply input, v io , designed for a range between 1.8 v and 5.5 v. both supply inputs must be well regulated. a decoupling capacitance, typically 100 nf, should be placed near the can transceiver's main v cc supply terminal in addition to bypass capacitors. a decoupling capacitance, typically 100 nf, should be placed near the can transceiver's v io supply terminal in addition to bypass capacitors. 11 layout robust and reliable can node design may require special layout techniques depending on the application and automotive design requirements. since transient disturbances have a wide frequency bandwidth (from approximately 3 mhz to 300 mhz), high-frequency layout techniques should be applied during pcb design. 11.1 layout guidelines ? place the protection and filtering circuitry close to the bus connector, j1, to prevent transients, esd and noise from propagating onto the board. in this layout example for protection a transient voltage suppression (tvs) device, d1, has been used. the production solution can be either bi-directional tvs diode or varistor with ratings matching the application requirements. this example also shows optional bus filter capacitors c4 and c5. ? design the bus protection components in the direction of the signal path. do not force the transient current to divert from the signal path to reach the protection device. ? use v cc and ground planes to provide low inductance. note that high frequency current follows the path of least impedance and not the path of least resistance. ? bypass and bulk capacitors should be placed as close as possible to the supply terminals v cc and v io of transceiver. ? use at least two vias for v cc and ground connections of bypass capacitors and protection devices to minimize trace and via inductance. ? this layout example shows how split termination could be implemented on the can node. this is where the termination is split into two resistors, r6 and r7, with the center or split tap of the termination connected to ground via capacitor c3. split termination provides common mode filtering for the bus. when bus termination is placed on the board instead of directly on the bus, additional care must be taken to ensure the terminating node is not removed from the bus thus also removing the termination. see can termination , can bus short circuit current limiting and equation 2 for information on termination concepts and power ratings needed for the termination resistor(s). ? to limit current of digital lines serial resistors may be used. examples are r2, r3 and r4. ? terminal 1 is shown for the txd input of the device with r1 as an optional pull-up resistor. if an open drain host controller is used this is mandatory to ensure the bit timing into the device is met. ? terminal 8 is shown with r4 assuming the mode terminal stb, is used. if the device is used in normal mode only, r4 is not needed and the pads of c4 could be used for the pull down resistor r5 to gnd. advance information
26 tcan1044-q1 , tcan1044v-q1 sllsf17 ? august 2018 www.ti.com product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 11.2 layout example figure 21. tcan1044(v)-q1 layout example gnd j1 u1 u1 tcan1044(v) r3 r2 rxd c2 v cc txd c3 c1 c6 gnd c7 stb gnd gnd r4 r7 r6 c4 c5 d1 r5 gnd v io v cc or v io r1 advance information
27 tcan1044-q1 , tcan1044v-q1 www.ti.com sllsf17 ? august 2018 product folder links: tcan1044-q1 tcan1044v-q1 submit documentation feedback copyright ? 2018, texas instruments incorporated 12 device and documentation support 12.1 documentation support 12.1.1 related links the table below lists quick access links. categories include technical documents, support and community resources, tools and software, and quick access to order now. table 8. related links parts product folder order now technical documents tools & software support & community tcan1044-q1 click here click here click here click here click here tcan1044v-q1 click here click here click here click here click here 12.2 receiving notification of documentation updates to receive notification of documentation updates, navigate to the device product folder on ti.com. in the upper right corner, click on alert me to register and receive a weekly digest of any product information that has changed. for change details, review the revision history included in any revised document. 12.3 community resources the following links connect to ti community resources. linked contents are provided "as is" by the respective contributors. they do not constitute ti specifications and do not necessarily reflect ti's views; see ti's terms of use . ti e2e ? online community ti's engineer-to-engineer (e2e) community. created to foster collaboration among engineers. at e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers. design support ti's design support quickly find helpful e2e forums along with design support tools and contact information for technical support. 12.4 trademarks e2e is a trademark of texas instruments. all other trademarks are the property of their respective owners. 12.5 electrostatic discharge caution this integrated circuit can be damaged by esd. texas instruments recommends that all integrated circuits be handled with appropriate precautions. failure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 12.6 glossary slyz022 ? ti glossary . this glossary lists and explains terms, acronyms, and definitions. 13 mechanical, packaging, and orderable information the following pages include mechanical, packaging, and orderable information. this information is the most current data available for the designated devices. this data is subject to change without notice and revision of this document. for browser-based versions of this data sheet, refer to the left-hand navigation. advance information
package option addendum www.ti.com 8-sep-2018 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples ptcan1044drq1 active soic d 8 2500 tbd call ti call ti -40 to 125 PTCAN1044VDRQ1 active soic d 8 2500 tbd call ti call ti -40 to 125 tcan1044drbq1 preview son drb 8 121 tbd call ti call ti -40 to 125 tcan1044drbrq1 preview son drb 8 3000 tbd call ti call ti -40 to 125 tcan1044drq1 preview soic d 8 2500 tbd call ti call ti -40 to 125 tcan1044vdrbq1 preview son drb 8 121 tbd call ti call ti -40 to 125 tcan1044vdrbrq1 preview son drb 8 3000 tbd call ti call ti -40 to 125 tcan1044vdrq1 preview soic d 8 2500 tbd call ti call ti -40 to 125 (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) rohs: ti defines "rohs" to mean semiconductor products that are compliant with the current eu rohs requirements for all 10 rohs substances, including the requirement that rohs substance do not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, "rohs" products are suitable for use in specified lead-free processes. ti may reference these types of products as "pb-free". rohs exempt: ti defines "rohs exempt" to mean products that contain lead but are compliant with eu rohs pursuant to a specific eu rohs exemption. green: ti defines "green" to mean the content of chlorine (cl) and bromine (br) based flame retardants meet js709b low halogen requirements of <=1000ppm threshold. antimony trioxide based flame retardants must also meet the <=1000ppm threshold requirement. (3) msl, peak temp. - the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) there may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) multiple device markings will be inside parentheses. only one device marking contained in parentheses and separated by a "~" will appear on a device. if a line is indented then it is a continuation of the previous line and the two combined represent the entire device marking for that device. (6) lead/ball finish - orderable devices may have multiple material finish options. finish options are separated by a vertical ruled line. lead/ball finish values may wrap to two lines if the finish value exceeds the maximum column width.
package option addendum www.ti.com 8-sep-2018 addendum-page 2 important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis.

important notice and disclaimer ti provides technical and reliability data (including datasheets), design resources (including reference designs), application or other design advice, web tools, safety information, and other resources ? as is ? and with all faults, and disclaims all warranties, express and implied, including without limitation any implied warranties of merchantability, fitness for a particular purpose or non-infringement of third party intellectual property rights. these resources are intended for skilled developers designing with ti products. you are solely responsible for (1) selecting the appropriate ti products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable standards, and any other safety, security, or other requirements. these resources are subject to change without notice. ti grants you permission to use these resources only for development of an application that uses the ti products described in the resource. other reproduction and display of these resources is prohibited. no license is granted to any other ti intellectual property right or to any third party intellectual property right. ti disclaims responsibility for, and you will fully indemnify ti and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these resources. ti ? s products are provided subject to ti ? s terms of sale ( www.ti.com/legal/termsofsale.html ) or other applicable terms available either on ti.com or provided in conjunction with such ti products. ti ? s provision of these resources does not expand or otherwise alter ti ? s applicable warranties or warranty disclaimers for ti products. mailing address: texas instruments, post office box 655303, dallas, texas 75265 copyright ? 2018, texas instruments incorporated

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