FAN54300 Datasheet (Fairchild Semiconductor)

FAN54300, Li-Ion Switching Charger

The FAN54300 combines two highly integrated switch-mode chargers and a boost regulator to minimize single-cell Li-Ion charging time from a USB and/or auxiliary power source.

Charging parameters and operating modes are programmable through an I2C Bus® interface that operates up to 3.4 Mbps.

The charg

FAN54300 Features

* Fully Integrated, High-Efficiency Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs

* Accepts USB or Dedicated Power Input Source

* 5 V, 300 mA Boost Mode for USB OTG from 2.5 to 4.5 V Battery Input

* Charge Voltage Accuracy: 0.5% at TA=25°C 1% from TA=0 to 125°C