AAT AAT3686
The AAT3686 BatteryManager is a highly integrated • USB Port/AC Adapter System Power Charger single-cell lithium-ion/polymer battery charger IC — USB: Programmable to 500mA for designed to operate with USB port and AC adapter USB Hi/Lo inputs. It requires the minimum number of external — Adapter: Programmable to 1.5A Max components. • 4.0V to 5.5V Input Voltage Range • Adapter Present Indicator (ADPP# Pin) The AAT3686 precisely regulates battery charge • Adapter Presence Automatically Disables voltage and current for 4.2V lithium-ion/polymer USB Charging battery cells.| Part No. | AAT3686 |
|---|---|
| Datasheet | AAT3686 Download |
| Manufacturer |  AAT |
| Description | USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
AAT3686 BatteryManager™ Adapter charge current rates can be● High Level of Integration With Internal: programmed up to 1.5A. In the absence of an — Charging Devices adapter and with a USB port connected, the battery — Reverse Blocking Diodes can also be charged by USB power. Depending on — Current Sensing the USB port type, the AAT3686 charge current can
● Automatic Recharge Sequencing be programmed for two separate levels up to
● Digital Thermal Regulation in ADP Charge 500mA. An optional Charge Reduction Loop is also
● Charge Reduction Loop in USB Charge built in to allow users to charge the battery with
● Battery Temperature Monitoring available current from a USB port, while keeping
● Full Battery Charge Auto Turn-Off the port voltage regulated. USB charging is dis● Over-Voltage and Emergency Thermal abled when an adapter is present. Protection Battery temperature and charge state are fully moni● Power On Reset and Soft Start tored for fault conditions.
