| Description & Applications | Lithium-Ion/Polymer Linear Battery Charge Controller The AAT3680 precisely regulates battery charge voltage and charge current, and is capable of two trickle charge current levels controlled by one external pin.In the event of an over-current, short-circuit, or over-temperature failure, the device will automatically shut down, protecting the charging device and the battery under charge. A battery charge state monitor output pin is provided to indicate the battery charge status through a display LED. Applications： Cellular Phones Desktop Chargers Personal Digital Assistants (PDAs) USB Chargers |