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BQ24108RHLR Datasheet(PDF) 6 Page - Texas Instruments |
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BQ24108RHLR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 26 page www.ti.com STAT1 IN IN PG VCC TTC ISET1 ISET2 RHL PACKAGE (BOTTOM VIEW) STAS2 PGND PGND CE SNS BAT NC TS 20 1 11 10 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 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 BATTERY DETECTION Battery detection current during time-out IDETECT VI(BAT) < VOREG – VRCH 2 mA fault IDISCHRG1 Discharge current VSHORT < VI(BAT) < VOREG – VRCH 400 µA tDISCHRG1 Discharge time VSHORT < VI(BAT) < VOREG – VRCH 1 s IWAKE Wake current VSHORT < VI(BAT) < VOREG – VRCH 2 mA tWAKE Wake time VSHORT < VI(BAT) < VOREG – VRCH 0.5 s Begins after termination detected, IDISCHRG2 Termination discharge current 400 µA VI(BAT) ≤ VOREG tDISCHRG2 Termination time 262 ms OUTPUT CAPACITOR Required output ceramic capacitor range COUT from SNS to PGND, between inductor and 4.7 10 47 µF RSNS Required SNS capacitor (ceramic) at SNS CSNS 0.1 µF pin PROTECTION Threshold over VOREG to turn off P-channel VOVP OVP threshold voltage MOSFET, STAT1, and STAT2 during charge 110 117 121 %VO(REG) or termination states ILIMIT Cycle-by-cycle current limit 2.6 3.6 4.5 A VSHORT Short-circuit voltage threshold, BAT VI(BAT) falling 1.95 2 2.05 V/cell ISHORT Short-circuit current VI(BAT) ≤ VSHORT 35 65 mA TSHTDWN Thermal trip 165 °C Thermal hysteresis 10 TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION bq24100, NAME bq24103 bq24105 bq24113 bq24115 bq24108 Battery voltage sense input. Bypass it with a capacitor to PGND if there are BAT 14 14 14 14 14 I long inductive leads to battery. Charger enable input. This active low input, if set high, suspends charge and CE 16 16 16 16 16 I places the device in the low-power sleep mode. Do not pull up this input to VTSB. 6 |
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