FAN54300 Datasheet (PDF) Download
Fairchild Semiconductor
FAN54300

Description

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.

Key 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
  • 5% USB Input Current Regulation Accuracy
  • 5% Charge Current Regulation Accuracy
  • 20 V Absolute Maximum Input Voltage
  • 9.5 V Maximum Input Operating Voltage on VIN Pin,
  • 5 V Maximum on VBUS Pin
  • Up to 1.5 A Maximum Charge Rate