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BQ24315DSGR
Overvoltage & Overcurrent Protection IC & Li+ Charger Front-End Protection IC
1FEATURES
DESCRIPTIONACAdapter
VDC
GNDFm 7
bq24313
bq24315 OUT
VBAT
FAULT
VSS ILIM
APPLICATION SCHEMATIC
bq24313
bq24315
www.ti.com............................................................................................................................................... SLUS817A–MARCH 2008–REVISED NOVEMBER 2008
OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND
Li+ CHARGER FRONT-END PROTECTION IC 5.5V LDO Mode Voltage Regulation
23• Provides Protection for Three Variables: •
Availablein Space-Saving Small8 Lead 2mm
×2mm SON– Input Overvoltage, with Rapid Responsein1μs
User-Programmable Overcurrent with StatusThe bq24313 and bq24315 are highly integrated circuits
failuresof the charging circuit. TheIC continuously
voltage. The output actsasa linear regulator. The
the overvoltage threshold.Ifan input overvoltage
charging circuit by turning off an internal switch.
currentat the threshold value, andif the overcurrent
period. Additionally, theIC also monitorsits own die
overcurrent thresholdis user-programmable.
TheIC canbe controlledbya processor and also provides
