| Description & Applications | USB Port Lithium-Ion/Polymer Battery Charger The AAT3688 is a highly integrated single cell lithium-ion/polymer battery charger IC designed to operate with USB port inputs. An optional Charge Reduction Loop is built in to allow users to charge the battery with available current from a USB port, while keeping the port voltage regulated. In the event of an over-voltage or over-temperature failure, the device will automatically shut down, thus protecting the charging device, control system, and the battery under charge. Applications： Bluetooth Headsets Cellular Telephones Digital Still Cameras Hand-Held PCs MP3 Players Personal Data Assistants (PDAs) Other Lithium-Ion/Polymer Battery-Powered Devices |