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BQ24072T Datasheet(PDF) 4 Page - Texas Instruments |
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BQ24072T Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  bq24072T bq24075T, bq24079T SLUS937A – DECEMBER 2009 – REVISED APRIL 2010 www.ti.com ELECTRICAL CHARACTERISTICS Over junction temperature range (0°C < TJ < 125°C) and the recommended supply voltage range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VUVLO Under-voltage lock-out VIN: 0V → 4V 3.2 3.3 3.4 V VHYS- Hysteresis on UVLO VIN: 4V → 0V 200 300 mV UVLO (Input power detected if VIN > VBAT + VIN-DT) VIN-DT Input power detection threshold 55 80 140 mV VBAT = 3.6V, VIN: 3.5V → 4V VHYS-INDT Hysteresis on VIN-DT VBAT = 3.6V, VIN: 4V → 3.5V 20 mV tDGL(PGOO Deglitch time, input power detected Time measured from VIN: 0V → 5V, 1.2 ms D) status 1ms rise-time to PGOOD = LO VOVP Input overvoltage protection threshold VIN: 5V → 7V 6.4 6.6 6.8 V VHYS-OVP Hysteresis on OVP VIN: 7V → 5V 240 mV tBLK(OVP) Input over-voltage blanking time 50 ms Time measured from VIN: 11V → 5V 1ms tREC(OVP) Input over-voltage recovery time 1.2 ms fall-time to PGOOD = LO ILIM, ISET SHORT CIRCUIT TEST ISC Current source 1.3 mA VSC 520 mV QUIESCENT CURRENT IBAT(PDWN Sleep current into BAT pin CE = LO or HI, input power not detected, no load on OUT pin 6.5 mA ) EN1= HI, EN2=HI, VIN ≤ 6V 50 IIN(STDBY) Standby current into IN pin mA EN1= HI, EN2=HI, VIN > 6V 200 CE = LO, VIN = 6V, no load on OUT pin, ICC Active supply current, IN pin 1.5 mA VBAT > VBAT(REG), (EN1,EN2)≠(HI,HI) POWER PATH VDO(IN- VIN – VOUT VIN = 4.3V, IIN = 1A, VBAT = 4.2V 300 475 mV OUT) VDO(BAT- VBAT – VOUT IOUT = 1A, VIN = 0V, VBAT > 3V 50 100 mV OUT) VIN > VOUT + VDO(IN-OUT) , VBAT< 3.2 V 3.3 3.4 3.5 OUT pin voltage regulation (bq24072T) VBAT + VBAT + VBAT + VIN > VOUT + VDO(IN-OUT) , VBAT ≥ 3.2 V VO(REG) 150 mV 225 mV 270 mV V OUT pin voltage regulation (bq24075T, VIN > VOUT + VDO(IN-OUT) 5.4 5.5 5.6 bq24079T) EN1 = LO, EN2 = LO 90 95 100 mA IIN-MAX Maximum input current EN1 = HI, EN2 = LO 450 475 500 mA EN2 = HI, EN1 = LO KILIM/RIL IM A ILIM ≥ 500mA 1500 1600 1700 KILIM Maximum input current factor A Ω 200mA < ILIM < 500mA 1330 1512 1700 IIN-MAX Programmable input current limit range EN2 = HI, EN1 = LO, RILIM = 8kΩ to 1.1kΩ 200 1500 mA Input voltage threshold when input VIN-LOW EN2 = LO, EN1 = X 4.35 4.5 4.63 V current is reduced VO(REG) VO(REG) VO(REG) bq24072T –100 Output voltage threshold when charging –180 mV –30 mV VDPPM V mV current is reduced bq24075T, bq24079T 4.2 4.3 4.4 VBAT – VBSUP1 Enter battery supplement mode VOUT falling, Supplement mode entered when VOUT < VBSUP1 V 40mV VBAT – VBSUP2 Exit battery supplement mode VOUT rising, Supplement mode exited when VOUT > VBSUP2 V 20mV Output short-circuit detection threshold, VO(SC1) 0.8 0.9 1.0 V power-on Output short-circuit detection threshold, VO(SC2) supplement mode VBAT – VOUT > VO(SC2) 200 250 300 mV indicates short-circuit 4 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated Product Folder Link(s): bq24072T bq24075T bq24079T |
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