A4057 Description
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 Key Features
- Double lithium battery charge management
- Only need a few external ponents
- Pre-charge, constant current charging , constant
- Temperature detection
- Two charging status
- Available in SOP8 Package
- Digital camera
- The phone lithium battery