General Description

The AAT3688 BatteryManager™ is a highly integrated single cell lithium-ion/polymer battery charger IC designed to operate with USB port inputs. It requires the minimum number of external components.

Features

• USB Charger

— Programmable up to 500mA Max

• 4.0V to 5.5V Input Voltage Range

• High Level of Integration With Internal:

— Charging Device

— Reverse Blocking Diode

— Current Sensing

• Automatic Recharge Sequencing

• Charge Reduction Loop for USB Charging

• Battery Temperature Monitoring

• Full Battery Charge Auto Turn-Off

• Over-Voltage Protection

• Emergency Thermal Protection

• Power On Reset and Soft Start

• Serial Interface Status Reporting

• 12-Pin 3x3mm TDFN Package

Applications

• Bluetooth™ Headsets

• Cellular Telephones

• Digital Still Cameras

• Hand-Held PCs

• MP3 Players

• Personal Data Assistants (PDAs)

• Other Lithium-Ion/Polymer Battery-Powered Devices