XA4202 Datasheet - XINNA SEMI

XA4202 Standalone Li-Lon Switch Mode Battery Charger

The XA4202 is a complete battery charger controller for one (4.2V) cell lithium-ion battery. The XA4202 provides a small, simple and efficient solution to fast charge Li-ion battery. An external sense resistor sets the charge current with high accuracy. An internal resistor divider and precision ref.

XA4202 Features

* Input Supply Range: 4.7V-6V High Efficiency Current Mode PWM Controller End - Charge - Current Detection Output Constant Switching Frequency for Minimum Noise ±1% Charge Voltage Accuracy Automatic Battery Recharge Automatic Shutdown When Input Supply is Removed Automatic Trickle Charging of Low Volt

XA4202-XINNASEMI.pdf