JW3903 Description
The JW®3903 is a highly integrated synchronous switch-mode boost charger for 2- or 3-cell series Li-ion and Li-polymer battery. The JW3903 provides plete battery charging management includes pre-charge, constant-current fast charge, constant-voltage charge, charge termination and auto recharge. The device is able to charge the battery from a 5V adapter or USB input.
JW3903 Key Features
- Fully Integration of Synchronous Boost Charger
- All Power MOSFETs
- Current Sensing
- Loop pensation
- 3.6V to 5.5V Input Operation Voltage Range
- Up to 20V Input Sustainable Voltage
- Supports 2- or 3-Cell Battery Charging
- Input Voltage Based Dynamic Power
- Input Over Voltage Protection
- Flexible Parameter Setting via External