il41050 isoloop ? is a registered trademark of nve corporation. *u.s. patent number 5,831, 426; 6,300,617 and others. rev. f nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829- 9217 fax: (952) 829-9189 www.isoloop.com ?nve corporation isolated high-speed can transceiver functional diagram txd rxd canh canl il41050 s v dd2 (v) txd (1) s canh canl bus state rxd 4.75 to 5.25 low (2) high low dominant low 4.75 to 5.25 x high v dd2 /2 v dd2 /2 recessive high 4.75 to 5.25 x v dd2 /2 v dd2 /2 recessive high <2v (no pwr) x x 0v dd2 <4.75 >2v x 0110-node fan-out ? high speed (up to 1 mbps) ? 2,500 v rms isolation (1 minute) ? very low electromagnetic emission (eme) ? differential signaling for excellent electromagnetic immunity (emi) ? 30 kv/s transient immunity ? silent mode to disable transmitter ? unpowered nodes do not disturb the bus ? transmit data (txd) dom inant time-out function ? edge triggered, non-volatile i nput improves noise performance ? bus pin transient protection for automotive environment ? thermal shutdown protection ? short-circuit protection for ground and bus power ? ? 55c to +125c operating temperature ? 0.15" and 0.3" and 16-pin jede c-standard soic packages ? ul1577 and iec 61010-2001 approved applications ? noise-critical can ? partially-powered can ? devicenet ? factory automation description the il41050 is a galvanically isolated, high-speed can (controller area network) transceiver, desi gned as the interface between the can protocol controller and th e physical bus. the il41050 provides isolated differential transmit capability to the bus and isolated differential receive capability to the can controller via nve?s patented* isoloop spintronic gi ant magnetoresistance (gmr) technology. advanced features facilitate relia ble bus operation. unpowered nodes do not disturb the bus, and a unique non-volatile programmable power-up feature prevents unstable nodes. the devices also have a hardware-selectable silent mode that disables the transmitter. designed for harsh can and de vicenet environments, il41050t transceivers have transmit data dominant time-out, bus pin transient protection, thermal shutdown protecti on, and short-circuit protection, unique edge-triggered inputs im prove noise performance. unlike optocouplers or other isolation technologies, isoloop isolators have indefinite life at high voltage. www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 2 nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829- 9217 fax: (952) 829-9189 www.isoloop.com ?nve corporation absolute maximum ratings (1) (2) parameters symbol min. typ. max. units test conditions storage temperature t s ? 55 150 c ambient operating temperature t a ? 55 135 c dc voltage at canh and canl pins v canh v canl ? 27 40 v 0 v< v dd2 < 5.25 v; indefinite duration supply voltage v dd 1 , v dd 2 ? 0.5 6 v digital input voltage v txd , v s ? 0.3 v dd + 0.3 v digital output voltage v rxd ? 0.3 v dd + 0.3 v dc voltage at v ref v ref ? 0.3 v dd + 0.3 v transient voltage at canh or canl v trt(can) ? 200 200 v electrostatic discharge at all pins v esd ? 4,000 4,000 v human body model electrostatic discharge at all pins v esd ? 200 200 v machine model recommended operating conditions parameters symbol min. typ. max. units test conditions supply voltage v dd 1 v dd 2 3.0 4.75 5.5 5.25 v input voltage at any bus terminal (separately or common mode) v canh v canl ? 12 12 v high-level digital input voltage (3) (4) v ih 2.0 2.4 2.0 v dd 1 v dd 1 v dd 2 v v dd 1 = 3.3 v v dd 1 = 5.0 v v dd 2 = 5.0 v low-level digital input voltage (3) (4) v il 0 0.8 v digital output current (rxd) i oh ? 8 8 ma v dd1 = 3.3v to 5v ambient operating temperature t a ? 55 125 c digital input signal rise and fall times t ir , t if 1 s insulation specifications parameters symbol min. typ. max. units test conditions creepage distance (external) 8.08 mm barrier impedance > 10 14 || 7 ? || pf leakage current 0.2 a rms 240 v rms , 60 hz safety and approvals iec61010-2001 tuv certificate numbers: n1502812 (pending) classification: reinforced insulation model package pollution degree material group max. working voltage il41050 soic (0.15" and 0.3") ii iii 300 v rms ul 1577 component recognition program file number: e207481 (pending) rated 2,500v rms for 1 minute soldering profile per jedec j-std-020c moisture sensitivity level: msl=2 notes: 1. absolute maximum specifications mean the device will not be damaged if operated under these conditions. it does not guarante e performance. 2. all voltages are with respect to networ k ground except differential i/o bus voltages. 3. the txd input is edge sensitive. voltage magnitude of the i nput signal is specified, but edge rate specifications must also be met. 4. the maximum time allowed for a logic transition at the txd input is 1 s. www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 3 nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829- 9217 fax: (952) 829-9189 www.isoloop.com ?nve corporation il41050-3 pin connections (0.15" soic package) 1 v dd1 v dd1 power supply input 2 gnd 1 v dd1 power supply ground return 3 txd transmit data input 4 rxd receive data output 5 nc no internal connection 6 nc no internal connection 7 nc no internal connection 8 nc no internal connection 9 isorxd isolated rxd output. no connection should be made to this pin. 10 canl low level canbus line 11 v dd2 v dd2 power supply input 12 canh high level canbus line 13 s mode select input. leave open or set low for normal operation; set high for silent mode. 14 isotxd isolated txd output. no connection should be made to this pin. 15 gnd 2 v dd2 power supply ground return 16 v dd2 v dd2 power supply input v dd1 v dd2 gnd 1 nc gnd 2 txd isotxd rxd s nc canh nc v dd2 canl nc isorxd il41050 pin connections (0.3" soic package) 1 v dd1 v dd1 power supply input 2 gnd 1 v dd1 power supply ground return (pin 2 is internally connected to pin 8) 3 txd transmit data input 4 nc no internal connection 5 rxd receive data output 6 nc no internal connection 7 nc no internal connection 8 gnd 1 v dd1 power supply ground return (pin 8 is internally connected to pin 2) 9 gnd 2 v dd2 power supply ground return (pin 9 is internally connected to pin 15) 10 v ref reference voltage output 11 v dd2 v dd2 power supply input 12 canl low level canbus line 13 canh high level canbus line 14 s mode select input. leave open or set low for normal operation; set high for silent mode. 15 gnd 2 v dd2 power supply ground return (pin 15 is internally connected to pin 9) 16 v dd2 v dd2 power supply input nc v dd2 gnd 1 nc gnd 2 s canh rxd canl v ref gnd 1 v dd1 gnd 2 txd nc v dd2 www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 4 nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829- 9217 fax: (952) 829-9189 www.isoloop.com ?nve corporation specifications electrical specifications are t min to t max and v dd1 , v dd2 = 4.75 v to 5.25 v unless otherwise stated. parameters symbol min. typ. max. units test conditions power supply current quiescent supply current (recessive) iq vdd1 1 0.7 1.75 1.4 3.0 2.0 ma dr = 0 bps; v dd 1 = 5 v dr = 0 bps; v dd 1 = 3.3 v dynamic supply current (dominant) i vdd1 1.2 0.9 2.0 1.6 3.2 2.2 ma dr = 1 mbps, r l = 60 ; v dd 1 = 5 v dr = 1 mbps, r l = 60 ; v dd 1 = 3.3 v quiescent supply current (recessive) dynamic supply current (dominant) iq vdd2 i vdd2 3.5 26 6.75 52 13 78 ma 0 bps 1 mbps, r l = 60 transmitter data input (txd) (1) high level input voltage v ih 2.4 5.25 v v dd 1 = 5 v; recessive high level input voltage v ih 2.0 3.6 v v dd 1 = 3.3 v; recessive low level input voltage v il ? 0.3 0.8 v output dominant txd input rise and fall time (2) tr 1 s 10% to 90% high level input current i ih ? 10 10 a v txd = v dd 1 low level input current i il 10 10 a v txd = 0 v mode select input (s) high level input voltage v ih 2.0 v dd 2 + 0.3 v silent mode low level input voltage v il ? 0.3 0.8 v high-speed mode high level input current i ih 20 30 45 a v s = 2 v low level input current i il 15 30 10 a v s = 0 v receiver data output (rxd) high level output current i oh ? 2 ? 8.5 ? 20 ma v rxd = 0.8 v dd1 low level output current i ol 2 8.5 20 ma v rxd = 0.45 v failsafe supply voltage (4) v dd2 3.6 3.9 v reference voltage output (v ref ) reference voltage output v ref 0.45 v dd2 0.5 v dd2 0.55 v dd2 v ? 50 a il41050 5 nve corporation 11409 valley view road, eden prairie, mn 55344-3617 phone: (952) 829- 9217 fax: (952) 829-9189 www.isoloop.com ?nve corporation specifications (...cont.) electrical specifications are t min to t max and v dd1 , v dd2 = 4.5 v to 5.5 v unless otherwise stated. differential input capacitance c i(dif) 3.75 10 pf v txd = v dd1 input leakage current at canh i li(canh) 100 170 250 a v canh = 5 v, v dd2 = 0 v input leakage current at canl i li(canl) 100 170 250 a v canl = 5 v, v dd2 = 0 v thermal shutdown shutdown junction temperature t j(sd) 155 165 180 c timing characteristics txd to bus active delay t d(txd-buson) 29 32 63 66 125 128 ns v s = 0 v; v dd1 = 5 v v s = 0 v; v dd1 = 3.3 v txd to bus inactive delay t d(txd-busoff) 29 32 68 71 110 113 ns v s = 0 v; v dd1 = 5 v v s = 0 v; v dd1 = 3.3 v bus active to rxd delay t d(buson-rxd) 24 27 58 61 125 128 ns v s = 0 v; v dd1 = 5 v v s = 0 v; v dd1 = 3.3 v bus inactive to rxd delay t d(busoff-rxd) 49 52 103 106 170 173 ns v s = 0 v; v dd1 = 5 v v s = 0 v; v dd1 = 3.3 v txd dominant time for timeout t dom(txd) 250 457 765 s v txd = 0 v 3.0 v > v dd1 < 5.5 v magnetic field immunity (3) v dd1 = 5 v, v dd2 = 5 v power frequency magnetic immunity h pf 2,500 3,000 a/m 50 hz/60 hz pulse magnetic field immunity h pm 3,000 3,500 a/m t p = 8 s cross-axis immunity multiplier k x 1.8 figure 1 v dd1 = 3.3 v, v dd2 = 5 v power frequency magnetic immunity h pf 1,000 1,500 a/m 50 hz/60 hz pulse magnetic field immunity h pm 1,800 2,000 a/m t p = 8 s cross-axis immunity multiplier k x 1.5 figure 1 notes: 1. the txd input is edge sensitive. voltage magnitude of the i nput signal is specified, but edge rate specifications must also be met. 2. the maximum time allowed for a logic transition at the txd input is 1 s. 3. uniform magnetic field applied across the pins of the device. cross-axis multiplier effective when field is applied perpendi cular to the pins. 4. if v dd2 falls below the specified failsaf e supply voltage, rxd will go high. electrostatic discharge sensitivity this product has been tested for electrostatic sensitivity to th e limits stated in the specifica tions. however, nve recommends that all integrated circuits be handled with appropriate care to avoid damage. damage caused by inappropriate handling or storage could range from performance degradation to complete failure. electromagnetic compatibility the il41050 is fully compliant with generic emc standards en50081, en50082-1 and the umbrella line- voltage standard for informa tion technology equipment (ite) en61000. the isol oop isolator?s wheatstone bridge configur ation and differential magnetic field sign aling ensure excellent emc performance against all relevant standards. nve conducted compliance tests in the categories below: en50081-1 residential, commercial & light industrial methods en55022, en55014 en50082-2: industrial environment methods en61000-4-2 (esd), en61000-4-3 (el ectromagnetic field immunity), en61000-4- 4 (electrical transient immunity), en61000-4-6 (rfi immunity), en61000-4-8 (power frequency magnetic field immunity), en61000-4-9 (pulsed magnetic field), en61000-4-10 (damped oscillatory magnetic field) env50204 radiated field from digital telephones (immunity test) immunity to external magnetic fields is higher if the field dir ection is ?end-to-end? (rather than to ?pin-to-pin?) as shown in the diagram at right. fig. 1 www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 6 nve corporation 11409 valley view road eden prairi e, mn 55344-3617 usa telephone: (952) 829-9217 fax (952) 829- 9189 intern et: www.is oloop.com application information power supply decoupling both v dd1 and v dd2 must be bypassed with 100 nf ceramic capacitors. these supply the dynamic current required for the isolator switching and should be placed as close as possible to v dd and their respective ground return pins. dominant mode time-out and failsafe receiver functions can bus latch up is prevented by an integrated dominant mode tim eout function. if the txd pin is forced permanently low by hardware or software application failure, the time-out returns the rxd output to the high state no more than 765 s after txd is asserted dominant. the timer is triggered by a negative edge on txd. if the duration of the low is longer than the internal timer value, the transmitter is disabled, driving the bus to the recessive state. the timer is reset by a positive edge on pin txd. if power is lost on vdd2, the il41050 asserts the rxd output high wh en the supply voltage falls below 3.8 v. rxd will return to normal operation as soon as vdd2 rises above approximately 4.2 v. the isolation advantage battery fire caused by over or under charging of individual lithiu m ion cells is a major concern in multi-cell high voltage ele ctric and hybrid vehicle batteries. to combat this, each cell is monitored for cu rrent flow, cell voltage, and in some advanced batteries, magnetic susceptibility. the il41050 allows seamless connection of the monitoring electronics of every cell to a common can bus by electrically isolatin g inputs from outputs, effectively isolating each cell from all other cells. cell status is then monitored via the can controller in the batt ery management system (bms). another major advantage of isolation is th e tremendous increase in noise immunity it affords the can node, even if the power so urce is a battery. inductive drives and inverters can pr oduce transient swings in excess of 20 kv/ s. the traditional, non-isolat ed can node provides some protection due to differential signaling and symmetrical driver/receiver pairs, but the il41050 typically provides more than tw ice the dv/dt protection of a traditional can node. txd rxd canl tx0 rx0 adr 0...7, cs xtal1 xtal2 sja1000 canh il41050 fig. 2. isolated can node usin g the il41050 and an sja1000 mcu. programmable power-up a unique non-volatile programmable power-up feature prevents unstabl e nodes. a state that needs to be present at node power up can be programmed at the last power down. for exam ple if a can node is required to ?pulse? dom inant at power up, txd can be sent low b y the controller immediately prior to power down. when power is resu med, the node will immediately go dominant allowing self-check co de in the microcontroller to verify node operation. if desired, the node can also power up silently by presetting the txd line high at po wer down. at the next power on, the il41050 will remain silent, awaiting a dominant state from the bus. the microcontroller can check that the can node powered down correctly before applying power at the next ?power on? request. if the node powered down as intended, rxd will be set high and stored in il41050?s non-volatile memory. the level stored in the rxd bit can be read before isolated node power is enabled, avoiding possible can bus disruption due to an unstable node. www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 7 nve corporation 11409 valley view road eden prairi e, mn 55344-3617 usa telephone: (952) 829-9217 fax (952) 829- 9189 intern et: www.is oloop.com package drawings, dimensions and specifications 0.15" 16-pin soic package 0.054 (1.4) 0.072 (1.8) 0.040 (1.0) 0.060 (1.5) 0.016 (0.4) 0.050 (1.3) 0.386 (9.8) 0.394 (10.0) pin 1 identified by either an indent or a marked dot nom 0.228 (5.8) 0.244 (6.2) 0.152 (3.86) 0.157 (3.99) dimensions in inches (mm) 0.007 (0.2) 0.013 (0.3) 0.004 (0.1) 0.012 (0.3) 0.040 (1.02) 0.050 (1.27) 0.013 (0.3) 0.020 (0.5) pin spacing is a basic dimension; tolerances do not accumulate note: 0.3" 16-pin soic package nom pin 1 identified by either an indent or a marked dot 0.287 (7.29) 0.300 (7.62) dimensions in inches (mm) 0.08 (2.0) 0.10 (2.5) 0.092 (2.34) 0.105 (2.67) 0.397 (10.1) 0.413 (10.5) 0.013 (0.3) 0.020 (0.5) 0.394 (10.00) 0.419 (10.64) 0.040 (1.0) 0.060 (1.5) 0.004 (0.1) 0.012 (0.3) 0.007 (0.2) 0.013 (0.3) 0.016 (0.4) 0.050 (1.3) pin spacing is a basic dimension; tolerances do not accumulate note: www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 8 nve corporation 11409 valley view road eden prairi e, mn 55344-3617 usa telephone: (952) 829-9217 fax (952) 829- 9189 intern et: www.is oloop.com ordering information and valid part numbers il 4 1050 t -3 e tr13 bulk packaging blank = tube (50 pcs) tr7 = 7'' tape and reel (800 pcs; 0.15'' soic only) tr13 = 13'' tape and reel (3,000 pcs 0.15'' soic or 1,500 pcs 0.3'' soic) package e = rohs compliant package type blank = 0.3'' soic -3 = 0.15'' soic temperature range t = extended (-55?c to +125?c) channel configuration 1050 = can transceiver base part number 4 = isolated transceiver product family il = isolators valid part numbers il41050te il41050te tr13 il41050t-3e il41050t-3e tr7 il41050t-3e tr13 rohs compliant www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 9 nve corporation 11409 valley view road eden prairi e, mn 55344-3617 usa telephone: (952) 829-9217 fax (952) 829- 9189 intern et: www.is oloop.com revision history isb-ds-001-il41050-f april 2010 changes ? added 7-inch tape-and-reel bulk packaging option (tr7) for narrow-body parts (p. 8). isb-ds-001-il41050-e march 2010 changes ? changed narrow-body pinouts for pins 9, 10, 12, 13, and 14 (p. 3). isb-ds-001-il41050-d march 2010 changes ? added 0.15" narrow-body soic package. ? added failsafe supply voltage speci fication and related note 4. isb-ds-001-il41050-c february 2010 changes ? extended min. operating temperature to ? 55c. ? misc. changes and clarifications for final release. isb-ds-001-il41050-b january 2010 change ? clarified txd edge trigger mode. added information to applications section. ? tightened timing specifications based on qualification data. isb-ds-001-il41050-a january 2010 change ? initial release. www.datasheet.co.kr datasheet pdf - http://www..net/
il41050 10 nve corporation 11409 valley view road eden prairi e, mn 55344-3617 usa telephone: (952) 829-9217 fax (952) 829- 9189 intern et: www.is oloop.com about nve an iso 9001 certified company nve corporation manufactures innovative products based on unique spintronic giant magne toresistive (gmr) technology. products i nclude magnetic field sensors, magnetic field grad ient sensors (gradiometers), digital magne tic field sensors, digital signal isolators, and isolated bus transceivers. nve pioneered spintronics and in 1994 introduced the world?s firs t products using gmr material, a line of ultra-precise magneti c sensors for position, magnetic media, gear speed and current sensing. nve corporation 11409 valley view road eden prairie, mn 55344-3617 usa telephone: (952) 829-9217 fax: (952) 829-9189 internet: www.nve.com e-mail: isoinfo@nve.com the information provided by nve corporati on is believed to be accurate. however, no responsibility is assumed by nve corporatio n for its use, nor for any infringement of patents, nor ri ghts or licenses granted to third parties, which may result from its use. no license is granted by implication, or otherwise, under any paten t or patent rights of nve corporation. n ve corporation does not authorize, nor warran t, any nve corporation product for use in life support devices or systems or other critical applications, without the express written appr oval of the president of nve corporation. specifications are subject to change without notice. isb-ds-001-il41050-f april 2010 www.datasheet.co.kr datasheet pdf - http://www..net/
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