AAT3683
Key Features
- The AAT3683 precisely regulates battery charge voltage and current for 4.2V Li-Ion battery cells
- The battery charging current can be set by an external resistor up to 1A
- Battery charge state is continuously monitored for fault conditions
- A status monitor output pin is provided to indicate the battery charge status by directly driving an external LED
- An open-drain power source detection output is provided to report the power supply status
Applications
- Bluetooth Headsets, Headphones, Accessories Cellular Phones Digital Still Cameras MP3, Portable Music, and Portable Media Players Personal Data Assistants (PDAs) and Handheld puters Other Li-Ion Battery-Powered Devices