
Advanced Analog Technology, Inc.
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)