General Description

The AAT3682 is a lithium-ion/polymer linear battery charger. It is designed for compact portable applications with a single-cell battery. The AAT3682 precisely regulates battery charge voltage and charge current, and offers an integrated pass device, minimizing the number of external components required.

Features

• VIN Range: 4.7V to 6.0V

• Low Quiescent Current, Typically 0.5mA

• 1 Accurate Preset Voltage

• Up to 1A of Charging Current

• Integrated Pass Device

• Battery Temperature Monitoring

• Fast Trickle Charge Option

• Deep Discharge Cell Conditioning

• LED Charge Status Output or System Microcontroller Serial Interface

• Power-On Reset

• Lower Power Sleep Mode

• Status Outputs for LED or System Interface Indicates Charge and Fault Conditions

• Temperature Range: -20°C to +70°C

• 16-Pin QFN44 Package

Applications

• Cellular Telephones

• Digital Still Cameras

• Hand-Held PCs

• MP3 Players

• Personal Data Assistants (PDAs)