AAT3689 | 0.5A/1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger

The AAT3689 BatteryManager is a highly integrated single cell lithium-ion/polymer Battery Charger IC designed to operate with USB port and AC adapter inputs. It requires a minimum number of external components. The AAT3689 precisely regulates battery charge voltage and current for 4.2V lithium-ion/polymer battery cells. Adapter charge current rates may be programmed up to 1.0A. In the absence of an adapter and with a USB port connected, the battery CAN also be charged by USB power. The USB charge current CAN be programmed up to 500mA. USB charging is disabled when an adapter is present. Battery temperature and charge state are fully monitored for fault conditions. 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. Status monitor output pins are provided to indicate the battery charge status by directly driving two external LEDs The AAT3689 is available in a Pb-free, thermally-enhanced, space-saving 12-pin 3x3mm TDFN package and is rated over the -40C to +85C temperature range.
By Advanced Analogic Technologies, Inc.
AAT3689 's PackagesAAT3689 's pdf datasheet

AAT3689 Pinout, Pinouts
AAT3689 pinout,Pin out
This is one package pinout of AAT3689,If you need more pinouts please download AAT3689's pdf datasheet.

AAT3689 Application circuits
AAT3689 circuits
This is one application circuit of AAT3689,If you need more circuits,please download AAT3689's pdf datasheet.

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