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AW32257 - Switch-mode Single Cell Li-ion Battery Charger

General Description

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.

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Datasheet Details

Part number AW32257
Manufacturer Awinic
File Size 1.58 MB
Description Switch-mode Single Cell Li-ion Battery Charger
Datasheet download datasheet AW32257 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AW32257 Nov. 2023 V1.5 AW32257 Switch-mode Single Cell Li-ion Battery Charger With Full USB Compliance and USB-OTG Support 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(100kHz/400kHz): -VIN DPM Threshold -Fast-Charge Current -Charge Regulation Voltage(3.5V to 4.5V) -Smart Charge Termination Algorithm ⚫ 2.