AW32257 Datasheet - Awinic

AW32257 Switch-mode Single Cell Li-ion Battery Charger

AW32257 is a high efficiency, large current，switchmode Li-Ion battery charge management chip. The chip integrates 1.5 MHz synchronous Buck PWM controller, Boost PWM controller and power MOSFETs, effectively reducing the power loss. The charge process of AW32257 includes: trickle, constant current (C.

AW32257 Features

* Applications awinic Confidential

* High-Accuracy Voltage and Current Regulation - Charge Voltage Regulation Accuracy: ±0.5%(25°C), ±1%(0°C to 85°C) - Charge Current Accuracy: ±5%

* Power Up System without Battery

* Programmable Charge Parameters through I2CTM compatible Interface(100k

AW32257-Awinic.pdf