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BQ24091DGQR Datasheet(PDF) 4 Page - Texas Instruments |
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BQ24091DGQR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 32 page  bq24090, bq24091 bq24092, bq24093 SLUS968B – JANUARY 2010 – REVISED JUNE 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Over junction temperature range 0°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT QUIESCENT CURRENT IOUT(PDWN) Battery current into OUT pin VIN = 0V 1 mA IOUT(DONE) OUT pin current, charging terminated VIN = 6V, VOUT > VOUT(REG) 6 IIN(STDBY) Standby current into IN pin TS = LO, VIN ≤ 6V 125 mA TS = open, VIN = 6V, TTDM – no load on OUT pin, ICC Active supply current, IN pin 0.8 1.0 mA VOUT > VOUT(REG), IC enabled BATTERY CHARGER FAST-CHARGE VOUT(REG) Battery regulation voltage VIN = 5.5V, IOUT = 25mA, (VTS-45°C≤ VTS ≤ VTS-0°C) 4.16 4.2 4.23 V Battery hot regulation Voltage, VO_HT(REG) VIN = 5.5V, IOUT = 25mA, VTS-60°C≤ VTS ≤ VTS-45°C 4.02 4.06 4.1 V bq24092/3 VOUT(REG) > VOUT > VLOWV; VIN = 5V, ISET2=Lo, Programmed Output “fast charge” IOUT(RANGE) 10 1000 mA current range RISET = 675 to 10.8kΩ Adjust VIN down until IOUT = 0.5A, VOUT = 4.15V, VDO(IN-OUT) Drop-Out, VIN – VOUT 325 520 mV RISET = 675 , ISET2=Lo (adaptor mode); TJ ≤ 100°C IOUT Output “fast charge” formula VOUT(REG) > VOUT > VLOWV; VIN = 5V, ISET2 = Lo KISET/RISET A RISET = KISET /IOUT; 50 < IOUT < 800 mA 510 540 565 KISET Fast charge current factor RISET = KISET /IOUT; 25 < IOUT < 50 mA 480 527 580 A Ω RISET = KISET /IOUT; 10 < IOUT < 25 mA 350 520 680 PRECHARGE – SET BY PRETERM PIN Pre-charge to fast-charge transition VLOWV 2.4 2.5 2.6 V threshold Deglitch time on pre-charge to tDGL1(LOWV) 70 ms fast-charge transition Deglitch time on fast-charge to tDGL2(LOWV) 32 ms pre-charge transition IPRE-TERM Refer to the Termination Section VOUT < VLOWV; RISET = 1080Ω; %IOUT- Pre-charge current, default setting 18 20 22 RPRE-TERM= High Z CC %PRECHG Pre-charge current formula RPRE-TERM = KPRE-CHG (Ω/%) × %PRE-CHG (%) RPRE-TERM/KPRE-CHG% VOUT < VLOWV, VIN = 5V, RPRE-TERM = 2k to 10kΩ; RISET = 1080Ω , RPRE-TERM = KPRE-CHG × %IFAST-CHG, 90 100 110 Ω/% where %IFAST-CHG is 20 to 100% KPRE-CHG % Pre-charge Factor VOUT < VLOWV, VIN = 5V, RPRE-TERM = 1k to 2kΩ; RISET = 1080Ω, RPRE-TERM = KPRE-CHG × %IFAST-CHG, 84 100 117 Ω/% where %IFAST-CHG is 10% to 20% TERMINATION – SET BY PRE-TERM PIN Termination Threshold Current, default VOUT > VRCH; RISET = 1k; %IOUT- 9 10 11 setting RPRE-TERM= High Z CC %TERM Termination Current Threshold RPRE-TERM = KTERM (Ω/%) × %TERM (%) RPRE-TERM/ KTERM Formula VOUT > VRCH, VIN = 5V, RPRE-TERM = 2k to 10kΩ ; RISET = 750Ω KTERM × %IFAST-CHG, where %IFAST-CHG 182 200 216 is 10 to 50% KTERM % Term Factor Ω/% VOUT > VRCH, VIN = 5V, RPRE-TERM = 1k to 2kΩ ; RISET 174 199 224 = 750 Ω KTERM × %Iset, where %Iset is 5 to 10% Current for programming the term. and IPRE-TERM pre-chg with resistor. ITerm-Start is the RPRE-TERM = 2k, VOUT = 4.15V 71 75 81 mA initial PRE-TERM current. %TERM Termination current formula RTERM/ KTERM % tDGL(TERM) Deglitch time, termination detected 29 ms Elevated PRE-TERM current for, ITerm-Start tTerm-Start, during start of charge to 80 85 92 mA prevent recharge of full battery, Elevated termination threshold initially tTerm-Start 1.25 min active for tTerm-Start 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): bq24090 bq24091 bq24092 bq24093 |
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