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A4057 Datasheet - AiT Semiconductor

A4057 LINEAR LI-ION BATTERY CHARGER

A4057 series is a double lithium battery charge management chip. The chip includes a charge state detection, the charging process, temperature detection and so on. The chip also integrates a high-precision reference voltage module in it. A4057 charge contains three modes: precharge, constant current.

A4057 Features

* Double lithium battery charge management

* Only need a few external components

* Pre-charge, constant current charging , constant voltage charging mode

* Temperature detection

* Two charging status

* Available in SOP8 Package APPLICATION

* Digital camera

* PDAS

A4057-AiTSemiconductor.pdf