AF4057 is 1.1A Lithium Ion Battery Linear Charger manufactured by AFSEMI.
| Part Number | Description |
|---|---|
| AF4054 | 800mA Lithium Ion Battery Linear Charger |
| AF4054B | Linear Li-Ion Battery Charger |
| AF4055 | 800mA Lithium Ion Battery Linear Charger |
| AF4056E | 1.1A Lithium Ion Battery Linear Charger |
| AF4064 | Standalone Linear Li-Ion Battery Charger |
AF4057 is a plete CC/CV linear charger for single cell lithium-ion batteries. It is specifically designed to work within USB power Specifications. No external sense resistor is needed and no blocking diode is required due to the internal P-MOSFET architecture.
