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up1901 1 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 ?? ?? ? vcore power supplies for desktop and laptop computers ?? ?? ? on-line output voltage tuning for dc/dc converters ?? ?? ? sense input/output current/voltage with highm accuracy ?? ?? ? zero offset current sense amplifier, < 0.1mv guaranteed ?? ?? ? high linearity ?? ?? ? ten temperature sensing inputs ?? ?? ? current source for dynamic output voltage adjustment ?? ?? ? i2c interface ?? ?? ? programmable address ?? ?? ? rohs compliant and 100% lead (pb)- free ?? ?? ? vqfn4x4 - 24l or vqfn5x5 - 32l packages note: upi products are compatible with the current ipc/ jedec j-std-020 and rohs requirements. they are halogen-free and 100% matte tin (sn) plating and suitable for use in snpb or pb-free soldering processes. general description a pplications ordering information features high accuracy power meter with i2c interface for dc/dc converters rebmunredr oe gakca pg nikrampot gaqa1091p ul 42-4x4nfq va 1091pu iaqb1091p ul 23-5x5nfq vb 1091pu the up1901 is a high-accuracy power meter for dc/dc converter. it measures input/output currents and voltages with zero offset sensing amplifiers. the sensed currents and voltages are digitalized and interfaced with microprocessor by i2c for advanced power management procedures. ten temperature sensing inputs are available for monitoring temperature of the system. the up1901 features a current output that enables dynamic adjustment of the output voltages. the up1901b also features two open-drain outputs d0/d1 for indicating the instant output current level. other features include programmable i2c address, high accuracy reference output voltage. this part is available in vqfn4x4 - 24l or vqfn5x5 - 32l. pin configuration 4 3 2 1 25 gnd 10 9 8 7 21 22 23 24 17 16 15 18 13 5 12 11 14 19 20 6 vqfn4x4 C 24l ts7 ts5 ts4 ts8 ts6 sda scl rset isnk ts2 bus_sel ofs2 imon2 csn2 csp2 vout csn1 csp1 vcc12 vin gnd ofs1 imon1 vcc5 ts7 ts5 ts4 4 3 2 1 33 gnd 10 9 14 13 28 29 30 31 22 21 20 23 18 5 12 11 19 26 27 6 csn1 ts9 ts8 ofs2 sda scl ts6 imon2 csn2 csp1 csp2 nc vout rset isnk vcc12 vin gnd ofs1 ts1 ts2 7 8 d1 clk 16 15 d0 bus_sel 24 ts10 17 ts3 25 imon1 32 vcc5 vqfn5x5 C 32l upi confidential
up1901 2 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 typical application circuit ofs1 csp1 csn1 imon1 ts8 csp2 csn2 isnk vin ts7 ts6 rset ts5 ts10 ts9 sda scl v in ts2 ts4 ts3 ts1 imon2 pwm controller v out ofs2 gnd vcc5 vout d1 d0 clk vcc12 bus_sel v 5sb upi confidential
up1901 3 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional block diagram vcc5 csp1 csn1 imon1 csp2 csn2 isnk bus_sel vin rset ts[10:1] sda scl imon2 vout gnd reference voltage por a/d converter v/i converter v/i converter i2c interface d1 d0 clk ofs1 ofs2 vcc12 d/a converter upi confidential
up1901 4 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional pin descriptio n emanni pn oitcnufnip ]01:1[st .01~1tupnignisneserutarepmet lcs .ecafretnic2irofkcolc .subc2iehtroflangiskcolcehtotlcstcennoc ads .ecafretnic2irofatad .subc2iehtfoenilatadlanoitceridibehtotadstcennoc les_sub .subc2iehtrofnoitcelessserdda .sserddac2iehttesot21ccvmorfredividegatlovatcennoc knsi .tnerrucgniknis .subc2iybelbammargorpsitahttnerructnatsnocasknisnipsiht 2nomi tnerructuptuorofgnirotinom .tnerructuptuoehtotlanoitroporpsitahtegatlovasedivorpnipsiht. .niagegatlovehttesotdnuorgotnipsihtmorfrotsiseratcennoc 1nomi .tnerructupnirofgnirotinom .tnerructupniehtotlanoitroporpsitahtegatlovasedivorpnipsiht .niagegatlovehttesotdnuorgotnipsihtmorfrotsiseratcennoc 1sfo .gnisnestnerructupnirofgnillecnactesffo 2sfo .gnisnestnerructuptuorofgnillecnactesffo tuov .tupnignisnesegatlovtuptuo .v840.2~v0siegnaregatlovtupnieht niv .tupnignisnesegatlovtupni .v840.2~v0siegnaregatlovtupnieht tesr .gnittesecnerefertnerruc rrotsiseratcennoc tes roftnerrucecnereferehttesotdnuorgot i.gnisneserutarepmet fer r/v82.1= tes . n2sc .tupnignitrevnignisnestnerructuptuo vehtdnan2scneewtebrotsiseratcennoc tuo foedis .srotcudnituptuo p2sc .tupnignitrevni-nongnisnestnerructuptuo hctiwsmorfsrotsiser.edongnigarevatnerruclennahc vdnap2scneewtebroticapacehtnotnerrucrotcudniehtegarevanipsihtotedon .tuo n1sc .tupnignitrevnignisnestnerructupni p1sc .tupnignitrevni-nongnisnestnerructupni 21ccv .tiucricgnisnestnerructupniehtroftupniylppus 5ccv ciehtroftupniylppus ylppusrewopegatlov.retlifcrhtiwecruosegatlovv5aotnipsihttcennoc. .roticapaccimarecfu1.0agnisuelpuoceddnaylppusv5aotnipsihttcennoc.ciehtfo 1d/0d .noitacidnileveltnerructuptuo ehtnehwwoldelluperatahtstuptuoniard-nepoerasnipeseht rofelbaliavatonerasnipeseht.sleveldemmargorpylevitcepserehtnahtrehgihsitnerructuptuo .egakcap4x4nfqv klc .noitacidnileveltnerructuptuo tuptuoehtnehwwoldelluperatahtstuptuoniard-neponasinipsiht .egakcap4x4nfqvrofelbaliavatonsinipsiht.leveldemmargorpylevitcepserehtnahtrehgihsitnerruc dng .dnuorg llewebdluohsdnaecivedehtfodnuorgylnoehtsiegakcap4x4nfqvfodapdesopxeeht .saivelpitlumhtiwenalpdnuorgotdetcennocdnabcpotderedlos upi confidential
up1901 5 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description the up1901 is a high-accuracy power meter for dc/dc converter. it measures input/output currents and voltages with zero offset sensing amplifiers. the sensed currents and voltages are digitalized and interfaced with microprocessor by i2c for advanced power management procedures. ten temperature sensing inputs are available for monitoring temperature of the system. the up1901 features a current output that enables dynamic adjustment of the output voltages. the up1901b also features two open-drain outputs d0/d1 for indicating the instant output current level. other features include programmable i2c address, high accuracy reference output voltage. this part is available in vqfn4x4-24l or vqfn5x5-32l packages. supply inputs and por the up1901 works with dual supply inputs: vcc12 for input current sensing circuits and vcc5 for other control circuits. both inputs are continuously monitored for power on reset (por). the por threshold level is typical 4.2v for vcc5 rising and 10.5v for vcc12 rising. input/output voltage measurement the figure 1 depicts the measurement of input and output voltages. the vin and vout pin voltages are directly digitalized by a/d converters and interfaced with microprocessors by i2c bus. the a/d converters have resolution of 8mv and full scale of 2.048v. the a/d converter outputs for output and input voltages are stored in reg0x02 and reg0x03 respectively. for example, if reg0x02 is read as x, the real output voltage will be: 1r )2r1r(mv8)1x( v 1r )2r1r(mv8x out ++ << + c1 = 1uf is recommended to smooth the input and output voltage. it is also recommended that (r1//r2) is kept around 10k ?. a/d converter i2c interface v in , v out vin, vout r1 r2 c1 figure 1. input and output voltages measurement. input current measurement figure 2 shows input current measurement of the up1901. the current sensing amplifier sinks a current i sne1 to make its csn1 and csp1 inputs virtually short circuit. 3r ri 3r v i dcin1c 1sen == where r dc is the dcr of the input inductor. the sensed current i sen1 is mirrored and injected to imon1 pin. consequently, the voltage at imon1 pin is digitalized by a/d converters and interfaced with microprocessors by i2c bus and is calculated as: 3r r2ri v dc in 1imon = in the real application, select r3 so that i sen1 = 100ua for possible maximum i in . for example, i in(max) = 10a, dcr = 10m ? , select r3 = 1k ? so that i sen1 = 100ua when i in = 10a. c1 = 1uf and r1 = 10k ? is recommended to smooth the sensed voltage. a/d converter i2c interface v in c1 i sen1 l in r dc i in csn1 csp1 ofs1 imon1 r1 r2 c2 i sen1 r3 figure 2. input current measurement. the a/d converters have resolution of 8mv and full scale of 2.048v. the a/d converter output is stored in reg0x04. user can adjust the r2 to get the maximum sensitivity of the meter. c2 = 1uf is recommended to smooth the voltage at imon1 pin. for example, if reg0x04 is read as y, the input current will be: dc in dc r2r 3rmv8)1y( i r2r 3rmv8y + << upi confidential
up1901 6 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description v in directly. the up1901 uses 0.4xr2/r3 bits for offset cancelling. if r3 = 1k ? , r2 = 10k ? , 4 bits are used for offset cancelling. y = [255:252] are not defined and should be avoided. output current measurement figure 3 shows output current measurement of the up1901. the current sensing amplifier sources a current i sne2 to make its csn2 and csp2 inputs virtually short circuit. 3r ri 3r v i dc out1c 2sen == where rdc is the dcr of output inductor. the sensed current isen2 is mirrored and injected to imon2 pin. consequently, the voltage at imon2 pin is digitalized by a/d converters and interfaced with microprocessors by i2c bus and is calculated as: 3r r2ri v dc out 2imon = in the real applicatiion, select r3 so that i sen2 = 100ua for possible maximum i out . for example, i out(max) = 30a, dcr = 1m ? , select r3 = 300 ? so that i sen2 = 100ua when i out = 30a. c1 = 1uf and r1 = 10k ? is recommended to smooth the sensed voltage. a/d converter i2c interface v ph c1 i sen2 l in dcr i out ofs2 csp2 imon2 r1 r2 c2 i sen2 r3 csn2 v out figure 3. output current measurement. the a/d converters have resolution of 8mv and full scale of 2.048v. the a/d converter output is stored in reg0x01. user can adjust the r2 to get the maximum sensitivity of the meter. c2 = 1uf is recommended to smooth the voltage at imon2 pin. for example, if reg0x01 is read as z, the input current will be: dc out dc r2r 3rmv8)1z( i r2r 3rmv8z + << ofs2 is for offset cancelling and should be connected to v out directly. the up1901 uses 0.4xr2/r3 bits for offset cancelling. if r3 = 1k ?, r2 = 10k ? , 4 bits are used for offset cancelling. z = [255:252] are not defined and should be avoided. temperature monitoring the up1901 features ten temperature sensing inputs for system temperature monitoring with linear ptc as shown in figure 4. the voltage at tsx is calculated as: set tsx set rset tsx tsx r v28.1 r r v rv == where v rset = 1.28v is the voltage at rset pin, r set is the resistor connected to rset pin and r tsx is the resistance of ptc connected to tsx pin. the v ts1~10 are digitalized by a/d converters and stored in reg0x11 ~ reg0x1a respectively. for example, the real v ts1 is calculated as: ])0:7[c1x0gre ])7[11x0gre21(]0:6[11x0gre128(mv5v 1ts + ? += where reg0x1c[7:0] is the register for offset programming of the temperature sensing a/d converter. ts1 vref ts2 a/d converter i2c interface r ref i ref 1.28v r ts1 r ts2 c1 c2 offset figure 4. temperature measurement example 1 if reg0x11[7:0] = [0000,1000], and reg0x1c[7:0] = [1000,0000], then v ts1 = 5mv x (128 + 16 + 128) = 1.36v consequently, the r ts1 = r set x 1.36v / 1.28v upi confidential
up1901 7 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description example 2 f reg0x11[7:0] = [1000,1000], and reg0x1c[7:0] = [0000,1000], then v ts1 = 5mv x (128 + 16 x (1 - 2) + 16) = 0.64v consequently, the r ts1 = r set x 0.64v / 1.28v a look-up table is required to get the real temperature. a 1uf capacitor for each tsx is recommended to smooth the signals at tsx pins. follow the below guidelines to get the maximum resolution for temperature sensing. let the r high and r low are the highest and lowest resistance of the ptc over the temperature range of application. select the minimum r set that still follows the below inequalities. v24.1)rr( r v28.1 low high set 0x20 at its rising, and lower than reg0x05 if reg0x01 < 0x10 at its falling. d0/d1 are open drain outputs that indicate the output current levels. it is a must to ensure reg0x09 > reg0x0a > reg0x07 > reg0x08 > reg0x05 > reg0x06 in real application otherwise may result in wrong state of d0/d1. there are two logic options available for d0/d1, that is selected by reg0x1b[0] as shown in table 2. the output current indication d0/d1 can be disabled by setting 0x1b[3] = 0. when disabled, d0/d1 are set high impedance regardless s1/2/3/4 states. sinking current source the up1901 sinks or sources a current source according to output current level s1/2/3/4 for dynamically adjusting the output voltage of a dc/dc converter as shown in figure 6. the sinking/sourcing current source is programmable by i2c interface. the corresponding registers for s1/2/3/4 are shown in table 2. as shown in figure 6, the original output voltage v out is when i snk = 0ua: 2r )2r1r( vv ref out + = where v ref is the reference voltage of the dc/dc converter. with i snk , the output voltage becomes: 1ri 2r )2r1r( vv snk ref out + + = take output current level s1 for example, the sinking/ sourcing current source is programmable by i2c interface and is calculated as: ]0:6[d0x0greua10i snk = if reg0x0d[7] = 0. ]0:4[d0x0greua10i snk ?= if reg0x0d[7] = 1. when reg0x0d[7] = 0, the maximum reg0x0d[6:0] = 0x7f and results in maximum i snk = 1.27ma. when reg0x1d[7] = 0 and reg0x0d[7] = 1, the maximum reg0x0d[4:0] = 0x1f and results in maximum i snk = -0.31ma. upi confidential
up1901 8 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description dc/dc converter isnk fb v out v in r1 r2 up6270 i snk figure 6. output voltage adjustment. reg0x1d[7] = 1 boosts the sinking/sourcing current by 10x. the sinking/sourcing current source is programmable by i2c interface and is calculated as: ]0:6[d0x0greua100i snk = if reg0x0d[7] = 0. ]0:4[d0x0greua100 i snk ?= if reg0x0d[7] = 1. for other sinking/sourcing currents, please see table 4. output current indication clk clk is an open drain output that indicates the output current levels programmed by i2c interface reg0x0b and reg0x0c. clk is pulled low if reg0x01 > reg0x0b at its rising and is set high impedance if reg0x01 < reg0x0c at its falling. it is a must to ensure reg0x0b > reg0x0c in real application otherwise may result in wrong state of clk. periodic auto-calibration the offset voltages of sensing amplifiers contribute to major error terms of the input/output voltage/current and temperature measurement. the up1901 auto-calibrate itself to maximize the measurement accuracy when the supply input voltages por. it take s about 6 seconds for table 2. output current level indication up1901 to calibrate itself. the amplifier offset voltages may drift at different ambient temperatures. the up1901 features periodic calibration function to cancel the offset voltage due to ambient temperature change. reg0x1d[6] = 0 disables the periodic calibration function while reg0x1d[6] = 1 enables the periodic calibration function. when enabled, the up1901 calibrates itself every one hour. it takes about 6 seconds for up1901 to calibrate itself each time. the measurement results are kept the last values during the calibration. register summary table 3 summarizes the register definition of the up1901. 10x0ge re tats 0=]0[b1x0ge r1 =]0[b1x0ger gnimmargorpknsi retsiger 0 d1 d0 d1 d 90x0ger,70x0ger,50x0ger<10x0ge r1 s0011 d 0x0 90x0ger,70x0ger<10x0ger<50x0ge r2 s 1000 e 0x0 90x0ger<10x0ger<70x0ger,50x0ge r3 s0110 f 0x0 1x00ger<90x0ger,70x0ger,50x0ge r4 s1101 0 1x0 upi confidential
up1901 9 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description .ger .dda stib .ger epyt tfd eulav noitpircsed 10x 0] 0:7 [ra n. gnisnestnerructuptuo 20x 0] 0:7 [ra n. gnisnesegatlovtuptuo 30x 0] 0:7 [ra n. gnisnesegatlovtupni 40x 0] 0:7 [ra n. gnisnestnerructupni 50x 0] 0:7 [w / r0 0x 0. dlohserhtgnisir1leveltnerructuptuo 60x 0] 0:7 [w / r0 0x 0. dlohserhtgnillaf1leveltnerructuptuo 70x 0] 0:7 [w / r0 0x 0. dlohserhtgnisir2leveltnerructuptuo 80x 0] 0:7 [w / r0 0x 0. dlohserhtgnillaf2leveltnerructuptuo 90x 0] 0:7 [w / r0 0x 0. dlohserhtgnisir3leveltnerructuptuo a0x 0] 0:7 [w / r0 0x 0. dlohserhtgnillaf3leveltnerructuptuo b0x 0] 0:7 [w / r0 0x 0. klcrofdlohserhtgnisirtnerructuptuo c0x 0] 0:7 [w / r0 0x 0. klcrofdlohserhtgnillaftnerructuptuo d0x 0] 0:7 [w / r0 0x 01 srofedutilpmaecruostnerrucgnicruos/gniknis e0x 0] 0:7 [w / r0 0x 02 srofedutilpmaecruostnerrucgnicruos/gniknis f0x 0] 0:7 [w / r0 0x 03 srofedutilpmaecruostnerrucgnicruos/gniknis 01x 0] 0:7 [w / r0 0x 04 srofedutilpmaecruostnerrucgnicruos/gniknis 11x 0] 0:7 [ra n. 1stgnisneserutarepmet 21x 0] 0:7 [ra n. 2stgnisneserutarepmet 31x 0] 0:7 [ra n. 3stgnisneserutarepmet 41x 0] 0:7 [ra n. 4stgnisneserutarepmet 51x 0] 0:7 [ra n. 5stgnisneserutarepmet 61x 0] 0:7 [ra n. 6stgnisneserutarepmet 71x 0] 0:7 [ra n. 7stgnisneserutarepmet 81x 0] 0:7 [ra n. 8stgnisneserutarepmet 91x 0] 0:7 [ra n. 9stgnisneserutarepmet a1x 0] 0:7 [ra n. 01stgnisneserutarepmet b1x0 ]7 [w /r 00x0 .elbane:1,elbasid:0.elbaneremitgodgnihctaw ]6 [r s utatsremitgodgnihctaw ]4:5 [w /r ces8.05:11,ces4.52:01,ces7.21:10,ces53.6:00.gnittesremitgodgnihctaw ]3 [w / r. elbane:1,elbasid:0.elbanesnip1d/0d ]2 [w / r. elbane:1,elbasid:0.elbanenipklc ]1 [w / r. elbane:1,elbasid:0.elbanetnerrucgnicruos/gniknis ]0 [w / r. cigol1d/0d c1x 0] 0:7 [w / r0 0x 0. tesffognisneserutarepmet d1x0 ]7 [w /r 20x0 .x01rof1,x1rof0.petsecruostnerrucgniknis ]6 [w / r. elbane:1,elbasid:0.elbanenoitarbilac-otuacidoirep ]0:5 [r d inoisrev 2bx 0] 0:7 [r2 0x 0. dipihc table 3. register summary upi confidential
up1901 10 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 functional description atad ).ced( 0=]7[d1x0 )au( 1=]7[d1x0 )au( atad ).ced( 0=]7[d1x0 )au( 1=]7[d1x0 )au( atad ).ced( 0=]7[d1x0 )au( 1=]7[d1x0 )au( atad ).ced( 0=]7[d1x0 )au( 1=]7[d1x0 )au( 00 0 0 40 0 40 00 40 80 0 80 00 80 2 10 02 10 0021 10 10 0 11 40 1 40 01 41 80 1 80 01 81 2 10 12 10 0121 20 20 0 22 40 2 40 02 42 80 2 80 02 82 2 10 22 10 0221 30 30 0 33 40 3 40 03 43 80 3 80 03 83 2 10 32 10 0321 40 40 0 44 40 4 40 04 44 80 4 80 04 84 2 10 42 10 0421 50 50 0 55 40 5 40 05 45 80 5 80 05 85 2 10 52 10 0521 60 60 0 66 40 6 40 06 46 80 6 80 06 86 2 10 62 10 0621 70 70 0 77 40 7 40 07 47 80 7 80 07 87 2 10 72 10 0721 80 80 0 88 40 8 40 08 48 80 8 80 08 88 2 10 0 90 90 0 99 40 9 40 09 49 80 9 80 09 89 2 10 1 -0 01- 0 10 0 10 00 10 50 0 50 00 50 90 0 90 00 90 3 10 2 -0 02- 1 10 1 10 01 11 50 1 50 01 51 90 1 90 01 91 3 10 3 -0 03- 2 10 2 10 02 12 50 2 50 02 52 90 2 90 02 92 3 10 4 -0 04- 3 10 3 10 03 13 50 3 50 03 53 90 3 90 03 93 3 10 5 -0 05- 4 10 4 10 04 14 50 4 50 04 54 90 4 90 04 94 3 10 6 -0 06- 5 10 5 10 05 15 50 5 50 05 55 90 5 90 05 95 3 10 7 -0 07- 6 10 6 10 06 16 50 6 50 06 56 90 6 90 06 96 3 10 8 -0 08- 7 10 7 10 07 17 50 7 50 07 57 90 7 90 07 97 3 10 9 -0 09- 8 10 8 10 08 18 50 8 50 08 58 90 8 90 08 98 3 10 01 -0 001- 9 10 9 10 09 19 50 9 50 09 59 90 9 90 09 99 3 10 11 -0 011- 0 20 0 20 00 20 60 0 60 00 60 0 10 00 10 000 10 4 10 21 -0 021- 1 20 1 20 01 21 60 1 60 01 61 0 10 10 10 010 11 4 10 31 -0 031- 2 20 2 20 02 22 60 2 60 02 62 0 10 20 10 020 12 4 10 41 -0 041- 3 20 3 20 03 23 60 3 60 03 63 0 10 30 10 030 13 4 10 51 -0 051- 4 20 4 20 04 24 60 4 60 04 64 0 10 40 10 040 14 4 10 61 -0 061- 5 20 5 20 05 25 60 5 60 05 65 0 10 50 10 050 15 4 10 71 -0 071- 6 20 6 20 06 26 60 6 60 06 66 0 10 60 10 060 16 4 10 81 -0 081- 7 20 7 20 07 27 60 7 60 07 67 0 10 70 10 070 17 4 10 91 -0 091- 8 20 8 20 08 28 60 8 60 08 68 0 10 80 10 080 18 4 10 02 -0 002- 9 20 9 20 09 29 60 9 60 09 69 0 10 90 10 090 19 4 10 12 -0 012- 0 30 0 30 00 30 70 0 70 00 70 1 10 01 10 001 10 5 10 22 -0 022- 1 30 1 30 01 31 70 1 70 01 71 1 10 11 10 011 11 5 10 32 -0 032- 2 30 2 30 02 32 70 2 70 02 72 1 10 21 10 021 12 5 10 42 -0 042- 3 30 3 30 03 33 70 3 70 03 73 1 10 31 10 031 13 5 10 52 -0 052- 4 30 4 30 04 34 70 4 70 04 74 1 10 41 10 041 14 5 10 62 -0 062- 5 30 5 30 05 35 70 5 70 05 75 1 10 51 10 051 15 5 10 72 -0 072- 6 30 6 30 06 36 70 6 70 06 76 1 10 61 10 061 16 5 10 82 -0 082- 7 30 7 30 07 37 70 7 70 07 77 1 10 71 10 071 17 5 10 92 -0 092- 8 30 8 30 08 38 70 8 70 08 78 1 10 81 10 081 18 5 10 03 -0 003- 9 30 9 30 09 39 70 9 70 09 79 1 10 91 10 091 19 5 10 13 -0 013- table 4. isink reg. addr. = 0x0d, 0x0e, 0x0f, 0x10 upi confidential
up1901 11 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 supply input voltage v cc12 (note 1) ---------------------------------------------------------------------------------------- -0.3v to +13.2v supply input voltage v cc5 --------------------------------------------------------------------------------------------------- -0.3v to +6v csp1, csn1, ofs1, bus_sel ------------------------------------------------------------------------------------------ -0.3v to +13.2v other pins -------------------------------------------------------------------------------------------------------------------- ------ - 0.3v to +6v storage temperature range ---------------------------------------------------------------------------------------------- -65 o c to +150 o c junction temperature -------------------------------------------------------------------------------------------------------------------- 150 o c lead temperature (soldering, 10 sec) ------------------------------------------------------------------------------------------------ 260 o c esd rating (note 2) hbm (human body mode) -------------------------------------------------------------------------------------------------------- 2kv mm (machine mode) ---------------------------------------------------------------------------------------------------------------- 200v package thermal resistance (note 3) vdfn4x4-24l ja ------------------------------------------------------------------------------------------------------------ 40 c/w vdfn5x5-32l ja ------------------------------------------------------------------------------------------------------------ 36 c/w vdfn4x4-24l jc ------------------------------------------------------------------------------------------------------------- 6 c/w vdfn5x5-32l jc ------------------------------------------------------------------------------------------------------------- 4 c/w power dissipation, p d @ t a = 25 c vdfn4x4-24l ---------------------------------------------------------------------------------------------------------------- 2.5 c/w vdfn5x5-32l -------------------------------------------------------------------------------------------------------------- 2.78 c/w operating junction temperature ra nge (note 4) --------------------------------------------------------------------- -40 c to +125 c operating ambient temperature range ---------------------------------------------------------------------------------- -40 c to +85 c supply input voltage, v cc5 -------------------------------------------------------------------------------------------------- +4.5v to +5.5v supply input voltage, v cc12 ------------------------------------------------------------------------------------------------ +10.8v to+13.2v retemara pl obmy ss noitidnoctse tn i mp y tx a mt inu egatlovtupniylppus egatlovtupniylppus5cc vv 5cc 5. 4- -5 . 5v egatlovtupniylppus21cc vv 21cc 8.0 1- -2 .3 1v dlohserhtrop5ccv 0. 42 . 45 . 4v siseretsyhrop5ccv - -2 . 0- -v dlohserhtrop21ccv 2.0 15 .0 18 .0 1v siseretsyhrop21ccv - -2 . 0- -v tnerructupniylppus 135 a m (v cc5 = 5v, v cc12 = 12v, t a = 25 o c, unless otherwise specified) a bsolute maximum ratin g thermal informatio n recommended operation conditions electrical characteristics upi confidential
up1901 12 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 note 1. stresses listed as the above ? absolute maximum ratings ? may cause permanent damage to the device. these are for stress ratings. functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability. note 2. devices are esd sensitive. handling precaution recommended. note 3. ja is measured in the natural convection at t a = 25 c on a low effective thermal conductivity test board of jedec 51-3 thermal measurement standard. note 4. the device is not guaranteed to function outside its operating conditions. retemar pl obmy ss noitidnoctse tn i mp y tx a mt inu tnemerusaemegatlovtuptuo/tupni noituloserd/a - -8- -v m egnarelacsllufd/a 0- -8 40 2v m ycaruccaegatlovtupn iv niv )vm8x30x0ger( -4 -- -2 1 +v m ycaruccaegatlovtuptu ov tuov )vm8x20x0ger( -4 -- -2 1 +v m tnerrucsaibtupni 1 -- -1a u tnemerusaemtnerructuptuo/tupni noituloserd/a - -8- -v m egnarelacsllufd/a 0- -8 40 2v m ycaruccatnerructupni v 1sc rx 1nomi r/ 1psc )vm8x40x0ger(- r 1nomi k02= ? r, 1psc 005= ? 21 -- -0 2v m ycaruccatnerructuptuo v 2sc rx 2nomi r/ 2nnsc )vm8x10x0ger(- r 2nomi k02= ? r, 2nsc 005= ? 21 -- -0 2v m gnirotinomerutarepmet noituloserd/a - -5- -v m egnarelacsllufd/a 0- -0 82 1v m gnisneserutarepmet ycarucca rxv82.1 1st r/ tes )c1x0ger+11x0ger(xvm5- r tes r= 1st k01= ,? lennahchcaerof 51 -- -0 2v m ecruostnerrucgniknis ycaruccatnerructuptuo v knsi 0=]7[d1x0;0=]7[d0x0ger,v8.0 =5 9- -5 0 1% v knsi 0=]7[d1x0;1=]7[d0x0ger,v8.0 =5 9- -5 0 1% v knsi 1=]7[d1x0;0=]7[d0x0ger,v8.0 =2 9- -8 0 1% v knsi 1=]7[d1x0;1=]7[d0x0ger,v8.0 =2 9- -8 0 1% tnerructesffolaitin iv ,00x0=]0:7[d0x0ger knsi v8.0 =1 -- -1a u electrical characteristics upi confidential
up1901 13 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 0.00 0.35 0.70 1.05 1.40 1.75 2.10 0 50 100 150 200 250 300 0.00 0.35 0.70 1.05 1.40 1.75 2.10 0 50 100 150 200 250 300 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0 20 40 60 80 100 120 140 160 0 5 10 15 20 25 30 0 5 10 15 20 25 30 0 1 2 3 4 5 6 0123456 typical operation characteristics isink output current, 0x1d[7] = 0 setup data at reg (0x0d, 0x0e, 0x0f, 0x10) (dec.) isink output current (ma) isink output current, 0x1d[7] = 1 setup data at reg (0x0d, 0x0e, 0x0f, 0x10) (dec.) isink output current (ma) v in pin input voltage read reg0x03 (dec.) v in input voltage (v) output current vs. output voltage i out (a) r2 = 35.83k ? , r3 = 1.0035 ? , (r2/r3 = 35.71) l = 2.2uh, dcr = 2.53m ? (reg0x01x8mvxr3)/(r2xdcr) (a) input current measure i in (a) r2 = 15.12k ? , r3 = 100.18? , (r2/r3 = 150.93) l = 2.2uh, dcr = 2.6m ? (reg0x04x8mvxr3)/(r2xdcr) (a) v out pin input voltage read reg0x02 (dec.) v out input voltage (v) -4 -2 0 2 4 6 8 10 12 14 0 20 40 60 80 100 120 140 160 upi confidential
up1901 14 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 -50 -25 0 25 50 75 100 125 150 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1 -0.9 -0.8 -0.7 -0.6 -50 -25 0 25 50 75 100 125 150 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 00.511.522.533.5 200 220 240 260 280 300 320 340 360 01234 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 012345 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1 -0.9 -0.8 -0.7 012345 isink output current vs. output voltage, 0 x 1d[7] = 0 output voltage (v) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x7f (1.27ma sinking) isink current (ma) isink output current vs. output voltage, 0 x 1d[7] = 1 output voltage (v) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x7f (12.7ma sinking) isink current (ma) isink output current vs. output voltage, 0 x 1d[7] = 0 output voltage (v) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x9f (310ua surcing) isink current (ma) isink output current vs. output voltage, 0 x 1d[7] = 1 output voltage (v) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x9f (3.1ma sinking) isink current (ma) output current vs. temperature, 0 x 1d[7] = 0 junction temperature ( o c) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x7f (1.27ma sinking) output current (ma) typical operation characteristics output current vs. temperature, 0 x 1d[7] = 0 junction temperature ( o c) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x9f (310ua sourcing) output current (ma) upi confidential
up1901 15 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 0.00 0.32 0.64 0.96 1.28 1.60 012345678910 1.22 1.24 1.26 1.28 1.30 1.32 -50 -25 0 25 50 75 100 125 150 1.274 1.276 1.278 1.280 1.282 1.284 1.286 1.288 4.6 4.8 5 5.2 5.4 5.6 5.8 6 2.4 2.6 2.8 3 3.2 3.4 -50 -25 0 25 50 75 100 125 150 -18 -16 -14 -12 -10 -8 -6 -50 -25 0 25 50 75 100 125 150 typical operation characteristics rset output voltage vs. temperature junction temperature ( o c) rset output voltage (v) rset output voltage vs. 5vsb 5vsb input voltage (v) rset output voltage (v) rset output voltage vs. r set r set resistance (k ? ) rset output voltage (v) isink 400ua/div isink output current transition, 0x1d[7] = 0 time (2ms/div) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x00 to 0x7f (0ma~ -1.27ma) output current vs. temperature, 0 x 1d[7] = 1 junction temperature ( o c) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x7f (12.7ma sinking) output current (ma) output current vs. temperature, 0 x 1d[7] = 1 junction temperature ( o c) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x9f (3.1ma sourcing) output current (ma) upi confidential
up1901 16 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 typical operation characteristics isink 800ua/div isink 80ua/div isink 4ma/div time (400us/div) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x80 to 0x9f(0ma~ +3.1ma) time (400us/div) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x80 to 0x9f(0ma~ +0.31ma) time (2ms/div) reg(0x0d, 0x0e, 0x0f, 0x10) = 0x00 to 0x7f(0ma~ -12.7ma) isink output current transition, 0x1d[7] = 1 isink output current transition, 0x1d[7] = 0 isink output current transition, 0x1d[7] = 1 upi confidential
up1901 17 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 a pplication information c1x0ger tesffo egatlov )v( c1x0ger tesffo egatlov )v( c1x0ger tesffo egatlov )v( 00x 008 2x 02 . 0d 5x 05 64.0 10x 05 00. 09 2x 05 02. 0e 5x 07 4.0 20x 01 0. 0a 2x 01 2. 0f 5x 05 74.0 30x 05 10. 0b 2x 05 12. 00 6x 08 4.0 40x 02 0. 0c 2x 02 2. 01 6x 05 84.0 50x 05 20. 0d 2x 05 22. 02 6x 09 4.0 60x 03 0. 0e 2x 03 2. 03 6x 05 94.0 70x 05 30. 0f 2x 05 32. 04 6x 05 .0 80x 04 0. 00 3x 04 2. 05 6x 05 05.0 90x 05 40. 01 3x 05 42. 06 6x 01 5.0 a0x 05 0. 02 3x 05 2. 07 6x 05 15.0 b0x 05 50. 00 4x 02 3. 08 6x 02 5.0 c0x 06 0. 01 4x 05 23. 09 6x 05 25.0 d0x 05 60. 02 4x 03 3. 0a 6x 03 5.0 e0x 07 0. 03 4x 05 33. 0b 6x 05 35.0 f0x 05 70. 04 4x 04 3. 0c 6x 04 5.0 01x 08 0. 05 4x 05 43. 0d 6x 05 45.0 11x 05 80. 06 4x 05 3. 0e 6x 05 5.0 21x 09 0. 07 4x 05 53. 0f 6x 05 55.0 31x 05 90. 08 4x 06 3. 00 7x 06 5.0 41x 01 . 09 4x 05 63. 01 7x 05 65.0 51x 05 01. 0a 4x 07 3. 02 7x 07 5.0 61x 01 1. 0b 4x 05 73. 03 7x 05 75.0 71x 05 11. 0c 4x 08 3. 04 7x 08 5.0 81x 02 1. 0d 4x 05 83. 05 7x 05 85.0 91x 05 21. 0e 4x 09 3. 06 7x 09 5.0 a1x 03 1. 0f 4x 05 93. 07 7x 05 95.0 b1x 05 31. 00 5x 04 . 08 7x 06 .0 c1x 04 1. 01 5x 05 04. 09 7x 05 06.0 d1x 05 41. 02 5x 01 4. 0a 7x 01 6.0 e1x 05 1. 03 5x 05 14. 0b 7x 05 16.0 f1x 05 51. 04 5x 02 4. 0c 7x 02 6.0 02x 06 1. 05 5x 05 24. 0d 7x 05 26.0 12x 05 61. 06 5x 03 4. 0e 7x 03 6.0 22x 07 1. 07 5x 05 34. 0f 7x 05 36.0 32x 05 71. 08 5x 04 4. 00 8x 04 6.0 42x 08 1. 09 5x 05 44. 01 8x 05 46.0 52x 05 81. 0a 5x 05 4. 02 8x 05 6.0 62x 09 1. 0b 5x 05 54. 03 8x 05 56.0 72x 05 91. 0c 5x 06 4. 04 8x 06 6.0 c1x0ger tesffo egatlov )v( c1x0ger tesffo egatlov )v( c1x0ger tesffo egatlov )v( 58x 05 66. 00 bx 08 8. 08 dx 08 0.1 68x 07 6. 01 bx 05 88. 09 dx 05 80.1 78x 05 76. 02 bx 09 8. 0a dx 09 0.1 88x 08 6. 03 bx 05 98. 0b dx 05 90.1 98x 05 86. 04 bx 09 . 0c dx 01 .1 a8x 09 6. 05 bx 05 09. 0d dx 05 01.1 b8x 05 96. 06 bx 01 9. 0e dx 01 1.1 c8x 07 . 07 bx 05 19. 0f dx 05 11.1 d8x 05 07. 08 bx 02 9. 00 ex 02 1.1 e8x 01 7. 09 bx 05 29. 01 ex 05 21.1 f8x 05 17. 0a bx 03 9. 02 ex 03 1.1 09x 02 7. 0b bx 05 39. 03 ex 05 31.1 19x 05 27. 0c bx 04 9. 04 ex 04 1.1 29x 03 7. 0d bx 05 49. 05 ex 05 41.1 39x 05 37. 0e bx 05 9. 06 ex 05 1.1 49x 04 7. 0f bx 05 59. 07 ex 05 51.1 59x 05 47. 00 cx 06 9. 08 ex 06 1.1 69x 05 7. 01 cx 05 69. 09 ex 05 61.1 79x 05 57. 02 cx 07 9. 0a ex 07 1.1 89x 06 7. 03 cx 05 79. 0b ex 05 71.1 99x 05 67. 04 cx 08 9. 0c ex 08 1.1 a9x 07 7. 05 cx 05 89. 0d ex 05 81.1 b9x 05 77. 06 cx 09 9. 0e ex 09 1.1 c9x 08 7. 07 cx 05 99. 0f ex 05 91.1 d9x 05 87. 08 cx 010 fx 02 .1 e9x 09 7. 09 cx 05 00. 11 fx 05 02.1 f9x 05 97. 0a cx 01 0. 12 fx 01 2.1 0ax 08 . 0b cx 05 10. 13 fx 05 12.1 1ax 05 08. 0c cx 02 0. 14 fx 02 2.1 2ax 01 8. 0d cx 05 20. 15 fx 05 22.1 3ax 05 18. 0e cx 03 0. 16 fx 03 2.1 4ax 02 8. 0f cx 05 30. 17 fx 05 32.1 5ax 05 28. 00 dx 04 0. 18 fx 04 2.1 6ax 03 8. 01 dx 05 40. 19 fx 05 42.1 7ax 05 38. 02 dx 05 0. 1a fx 05 2.1 8ax 04 8. 03 dx 05 50. 1b fx 05 52.1 9ax 05 48. 04 dx 06 0. 1c fx 06 2.1 aax 05 8. 05 dx 05 60. 1d fx 05 62.1 bax 05 58. 06 dx 07 0. 1e fx 07 2.1 cax 06 8. 07 dx 05 70. 1f fx 05 72.1 reg0x1c[7:0] is the register for offset programming of the temperature sensing a/d converter. the below table shows the reg0x1c[7:0] data relative to its offset voltage. upi confidential
up1901 18 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 a pplication information gnimmargorptesffoc1x0gerretfa mrofsnartretfa cadlaretni atada10~11x0gerniderots edoclamice de docyrani be doclamice de docyranib 55 21 111111 17 2 11 1111110 45 20 111111 16 2 10 1111110 ~~~~ 92 11 000000 111 0000000 82 10 000000 100 0000000 72 11 111111 08 2 10 0000001 62 10 111111 09 2 11 0000001 ~~~~ 11 000000 04 5 20 1111111 00 000000 05 5 21 1111111 the vts1~10 are digitalized by a/d converters and respectively. the below table shows the a/d converters transform relative to its reg0x11 ~ reg0x1a data. upi confidential
up1901 19 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 note 1.package outline unit description: bsc: basic. represents theoretical exact dimension or dimension target min: minimum dimension specified. max: maximum dimension specified. ref: reference. represents dimension for reference use only. this value is not a device specification. typ. typical. provided as a general value. this value is not a device specification. 2.dimensions in millimeters. 3.drawing not to scale. 4.these dimensions no not include mold flash or protrusions. mold flash or protrusions shell not exceed 0.15mm. package information 3.90 - 4.10 pin 1 mark bottom view - exposed pad 2.35 - 2.45 2.30 - 2.50 0.18 - 0.30 2.30 - 2.50 0.35 - 0.45 3.05 - 3.15 4.45- 4.55 3.90 - 4.10 0.0 - 0.05 0.80 - 1.00 0.20 bsc recommended solder pad pitch and dimensions 0.20 - 0.30 vqfn4x4 - 24l upi confidential
up1901 20 upi semiconductor corp., http://www.upi-semi.com rev. f00, file name: up1901-ds-f0000 4.90 - 5.10 pin 1 mark bottom view - exposed pad 3.55 - 3.65 3.55 -3.65 0.18 - 0.30 3.55 - 3.65 0.35 - 0.45 4.05 - 4.15 5.45- 5.55 4.90 -5.10 0.00 - 0.05 0.80 - 1.00 0.20 bsc recommended solder pad pitch and dimensions 0.20 - 0.30 package information note 1.package outline unit description: bsc: basic. represents theoretical exact dimension or dimension target min: minimum dimension specified. max: maximum dimension specified. ref: reference. represents dimension for reference use only. this value is not a device specification. typ. typical. provided as a general value. this value is not a device specification. 2.dimensions in millimeters. 3.drawing not to scale. 4.these dimensions no not include mold flash or protrusions. mold flash or protrusions shell not exceed 0.15mm. vqfn5x5 - 32l upi confidential

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