This reference design is a complete charger module for evaluating compact, flexible, high-efficiency, USB-friendly switch-mode charge management solutions for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. It integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP package. The charge parameters can be programmed through an I²C interface.
Features
- # Series Cells: 1S
- Max Input Volts: 6V
- Max Charge Current: 1.25A
- Topology: Switch mode