A4057 charger equivalent, linear li-ion battery charger.
* Double lithium battery charge management
* Only need a few external components
* Pre-charge, constant current charging , constant
voltage charging mode
.
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.
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