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BQ24115RHLT Datasheet(PDF) 4 Page - Texas Instruments |
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BQ24115RHLT Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 26 page  www.ti.com V IREG + 1V RSET1 1000, V IREG*PRE + 0.1V RSET2 1000, bq24100, bq24103 bq24105, bq24108 bq24113, bq24115 SLUS606C – JUNE 2004 – REVISED SEPTEMBER 2005 ELECTRICAL CHARACTERISTICS (continued) T J = 0°C to 125°C and recommended supply voltage range (unless otherwise stated) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOLTAGE REGULATION CELLS = Low, in voltage regulation 4.2 Output voltage, bq24103/13 VOREG CELLS = High, in voltage regulation 8.4 V Output voltage, bq24100/08 Operating in voltage regulation 4.2 Feedback regulation REF for bq24105/15 VIBAT IIBAT = 25 nA typical into pin 2.1 V only (W/FB) TA = 25°C –0.5% 0.5% Voltage regulation accuracy –1% 1% CURRENT REGULATION - FAST CHARGE VLOWV ≤ VI(BAT) < VOREG, IOCHARGE Output current range of converter 150 2000 mA V(VCC) - VI(BAT) > V(DO-MAX) 100 mV ≤ V IREG≤ 200 mV, VIREG Voltage regulated across R(SNS) Accuracy –10% 10% Programmed Where 5 k Ω ≤ RSET1 ≤ 10 kΩ, Select RSET1 to program VIREG, VIREG(measured) = IOCHARGE + RSNS (–10% to 10% excludes errors due to RSET1 and R(SNS) tolerances) V(LOWV) ≤ VI(BAT) ≤ VO(REG), V(ISET1) Output current set voltage 1 V V(VCC) ≥ VI(BAT) × V(DO-MAX) VLOWV ≤ VI(BAT) < VO(REG) , K(ISET1) Output current set factor 1000 V/A V(VCC) ≥ VI(BAT) + V(DO-MAX) PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION Precharge to fast-charge transition voltage VLOWV 68 71.4 75 %VO(REG) threshold, BAT, bq24100/03/05/08 ICs only Deglitch time for precharge to fast charge Rising voltage; t 20 30 40 ms transition tRISE, tFALL = 100 ns, 2-mV overdrive IOPRECHG Precharge range VI(BAT) < VLOWV, t < tPRECHG 15 200 mA V(ISET2) Precharge set voltage, ISET2 VI(BAT) < VLOWV, t < tPRECHG 100 mV K(ISET2) Precharge current set factor 1000 V/A 100 mV ≤ V IREG-PRE ≤ 100 mV, VIREG-PRE Voltage regulated across RSNS-Accuracy –20% 20% (PGM) Where 1.2 k Ω ≤ RSET2 ≤ 10 kΩ, Select RSET1 to program VIREG-PRE, VIREG-PRE (Measured) = IOPRE-CHG × RSNS (–20% to 20% excludes errors due to RSET1 and RSNS tolerances) CHARGE TERMINATION (CURRENT TAPER) DETECTION ITERM Charge current termination detection range VI(BAT) > VRCH 15 200 mA Charge termination detection set voltage, VTERM VI(BAT) > VRCH 100 mV ISET2 K(ISET2) Termination current set factor 1000 V/A Charger termination accuracy VI(BAT) > VRCH –20% 20% Both rising and falling, tdg-TERM Deglitch time for charge termination 20 30 40 ms 2-mV overdrive tRISE, tFALL = 100 ns TEMPERATURE COMPARATOR AND VTSB BIAS REGULATOR VLTF Cold temperature threshold, TS 72.8 73.5 74.2 VHTF Hot temperature threshold, TS 33.7 34.4 35.1 %VO(VTSB) VTCO Cutoff temperature threshold, TS 28.7 29.3 29.9 LTF hysteresis 0.5 1.0 1.5 4 |
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