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BQ24073RGTR Datasheet(PDF) 4 Page - Texas Instruments |
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BQ24073RGTR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 42 page  bq24072, bq24073 bq24074, bq24075, bq24079 SLUS810E – SEPTEMBER 2008 – REVISED JULY 2010 www.ti.com ELECTRICAL CHARACTERISTICS Over junction temperature range (0° ≤ TJ ≤ 125°C) and the recommended supply voltage range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT UVLO Undervoltage lock-out VIN: 0 V → 4 V 3.2 3.3 3.4 V Vhys 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 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 ms tDGL(PGOOD) Deglitch time, input power detected status 1.2 ms rise-time to PGOOD = LO VIN: 5 V → 7 V (’72, ’73, ’75, '79) 6.4 6.6 6.8 VOVP Input overvoltage protection threshold V VIN: 5 V → 11 V (’74) 10.2 10.5 10.8 VIN: 7 V → 5V (’72, ’73, ’75, '79) 110 Vhys Hysteresis on OVP mV VIN: 11 V → 5 V (’74) 175 tDGL(OVP) Input overvoltage blanking time (OVP fault deglitch) 50 ms Time measured from VIN: 11 V → 5 V with 1 ms tREC Input overvoltage recovery time 1.2 ms fall-time to PGOOD = LO ILIM, ISET SHORT CIRCUIT DETECTION (CHECKED DURING STARTUP) 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, IBAT(PDWN) Sleep current into BAT pin 6.5 mA No load on OUT pin, TJ = 85°C EN1= HI, EN2=HI, VIN = 6 V, TJ= 85°C 50 IIN Standby current into IN pin mA 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 = 1A, VBAT = 4.2V 300 475 mV VDO(BAT-OUT) VBAT – VOUT IOUT = 1 A, VIN = 0 V, VBAT > 3 V 50 100 mV VIN > VOUT + VDO(IN-OUT), VBAT < 3.2 V 3.3 3.4 3.5 OUT pin voltage regulation (bq24072) VBAT + VBAT + VBAT + VIN > VOUT + VDO(IN-OUT), VBAT ≥ 3.2 V 150mV 225mV 270mV VO(REG) V OUT pin voltage regulation (bq24073, bq24074) VIN > VOUT + VDO(IN-OUT) 4.3 4.4 4.5 OUT pin voltage regulation (bq24075, bq24079) VIN > VOUT + VDO(IN-OUT) 5.4 5.5 5.6 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 ILIM = 500mA to 1.5A 1500 1610 1720 KILIM Maximum input current factor A Ω ILIM = 200mA to 500mA 1330 1525 1720 IINmax Programmable input current limit range EN2 = HI, EN1 = LO, RILIM = 8 kΩ to 1.1 kΩ 200 1500 mA Input voltage threshold when input current is VIN-DPM EN2 = LO, EN1 = X 4.35 4.5 4.63 V reduced VO(REG) – VO(REG) – VO(REG) – (’72, ’73, ’74) V Output voltage threshold when charging current is 180mV 100mV 30mV VDPPM reduced (’75, '79) 4.2 4.3 4.4 V VOUT ≤ VBAT VBSUP1 Enter battery supplement mode VBAT = 3.6V, RILIM = 1.5kΩ, RLOAD = 10Ω → 2Ω V –40mV VOUT ≥ VBSUP2 Exit battery supplement mode VBAT = 3.6V, RILIM = 1.5kΩ, RLOAD = 2Ω → 10Ω V VBAT–20mV VO(SC1) Output short-circuit detection threshold, power-on VIN > VUVLO and VIN > VBAT + VIN(DT) 0.8 0.9 1 V Output short-circuit detection threshold, supplement VO(SC2) VIN > VUVLO and VIN > VBAT + VIN(DT) 200 250 300 mV mode VBAT – VOUT > VO(SC2) indicates short-circuit tDGL(SC2) Deglitch time, supplement mode short circuit 250 ms tREC(SC2) Recovery time, supplement mode short circuit 60 ms 4 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated Product Folder Link(s): bq24072 bq24073 bq24074 bq24075, bq24079 |
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