bq24725A Datasheet (Texas Instruments) - 1-4 Cell Li+ Battery SMBus Charge Controller

bq24725A, 1-4 Cell Li+ Battery SMBus Charge Controller

The BQ24725A is a high-efficiency, synchronous battery charger, offering low component count for space-constraint, multi-chemistry battery charging applications.

The BQ24725A utilizes two charge pumps to separately drive n-channel MOSFETs (ACFET, RBFET and BATFET) for automatic system power source s

bq24725A Features

* 1 SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615kHz, 750kHz, and 885kHz switching frequencies

* Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps

* Enhanced safety features fo