General Description

The APL3201 is a constant-current/constant-voltage linear charger for single cell Li+ batteries.

The APL3201 needs no external MOSFET or diodes, and accepts input voltage up to 6.0V. The small packages and low external component count make the APL3201 ideally suited for portable applications.

Features

· Programmable Charge Current Up to 1A

· Charge Status Output Pins

· Soft-Start Limits Inrush Current

· 4.2V Charge Voltage with ±1 Accuracy

· Fixed 55mA Prequal Charge Current

· Thermal Limiting Simplifies Board Design

· External Thermistor Monitor

· Enable/Disable Control

· 3mm x 3mm DFN-10 Package (DFN3x3-10)

· Disable Charging When VIN > 6.4V

· Lead Free and Green Devices Available (RoHS Compliant)

Applications

· PDAs

· MP3 Players

· Cell Phones

· Wireless Appliances