General Description

The APL3200 charges a single-cell Li+ battery from both USB and AC adapter sources. It also includes battery to-input power switchover, therefore, the system can be powered directly from the power source rather than from the battery. In its simplest application, the APL3200 doesn’ t need external MOSFET or diodes and accepts input voltages up to 6.5V; however, DC input over-voltage protection up to 18V can be added with a single SOT PFET.

Features

• Charge from USB or AC Adapter

• Accurate BA TT Regulation V oltage

• Programmable DC Charging Current

• Selectable USB Charging Current (Either 100mA or 500mA)

• Thermal Regulation for Simplified Board Design

• Input Protection Up to 18V

• Soft-Start

• External Thermistor Monitoring

• Charge Shutdown Control

• Charge Status Outputs

• DC and USB Power-OK Indicators

• Small, High Power QF N5x5-16 and TQF N4x4-16 Packages

• Lead Free and Green Devices Available (RoHS Compliant)