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BQ24232 Datasheet(PDF) 3 Page - Texas Instruments |
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BQ24232 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 33 page  RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS bq24230 bq24232 www.ti.com .......................................................................................................................................... SLUS821A – OCTOBER 2008 – REVISED DECEMBER 2008 MIN MAX UNIT IN voltage range 4.35 26 V VI '230 4.35 6.4 V IN operating voltage range '232 4.35 10.2 IIN Input current, IN pin 500 mA IOUT Current, OUT pin 500 mA IBAT Current, BAT pin (discharging) 500 mA ICHG Current, BAT pin (charging) 500 mA TJ Junction temperature –40 125 °C RILIM Maximum input current programming resistor 3.1 7.8 k Ω RISET Fast-charge current programming resistor 1.8 36 k Ω RTMR Timer programming resistor 18 72 k Ω RITERM Termination programming resistor '232 0 15 k Ω over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT UVLO Undervoltage lockout VIN: 0 V → 4 V 3.2 3.3 3.4 V Vhys(UVLO) Hysteresis on UVLO VIN: 4 V → 0 V 200 300 mV Input power detected when VIN > VBAT + VIN(DT) VIN(DT) Input power detection threshold 55 80 130 mV VBAT = 3.6 V, VIN: 3.5 V → 4 V Vhys(INDT) Hysteresis on VIN(DT) VBAT = 3.6 V, VIN: 4 V → 3.5 V 20 mV Time measured from VIN: 0 V → 5 V 1-µs Deglitch time, input power tDGL(PGOOD) 2 ms detected status rise time to PGOOD = LO ('230) VIN: 5 V → 7 V 6.4 6.6 6.8 Input overvoltage protection VOVP V threshold ('232) VIN: 5 V → 11 V 10.2 10.5 10.8 Vhys(OVP) Hysteresis on OVP ('230) VIN: 7 V → 5V 110 mV ('232) VIN: 11 V → 5 V 175 tDGL(OVP) Input overvoltage blanking time 50 µs Time measured from VIN: 11 V → 5 V 1 µs tREC(OVP) Input overvoltage recovery time 2 ms fall time to PGOOD = LO ILIM, TEST ISET SHORT CIRCUIT ISC Current source VIN > UVLO and VIN > VBAT+VIN(DT) 1.3 mA VSC VIN > UVLO and VIN > VBAT+VIN(DT) 520 mV QUIESCENT CURRENT CE = LO or HI, input power not detected, no IBAT(PDWN) Sleep current into BAT pin 6.5 µA load on OUT pin EN1= HI, EN2=HI, VIN = 6 V, TJ=85°C 50 µA IIN(STDBY) Standby current into IN pin EN1= HI, EN2=HI, VIN = 10 V, TJ=85°C 200 CE = LO, VIN = 6 V, 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-OUT) VIN – VOUT VIN = 4.3 V, IIN = 500 mA, VBAT = 4.2 V 150.0 237.5 mV VDO(BAT-OUT) VBAT – VOUT IOUT = 500 mA, VIN = 0 V, VBAT > 3 V 62.5 mV VO(REG) OUT pin voltage regulation VIN > VOUT + VDO (IN-OUT) 4.3 4.4 4.5 V EN1 = LO, EN2 = LO 90 95 100 mA IINmax Maximum input current EN1 = HI, EN2 = LO 450 475 500 EN2 = HI, EN1 = LO KILIM/RILIM A KILIM Maximum input current factor 1320 1470 1620 A Ω Programmable input current limit IINmax EN2 = HI, EN1 = LO, RILIM = 3.1 kΩ to 7.8 kΩ 200 500 mA range Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): bq24230 bq24232 |
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