AAT AAT3689
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.| Part No. | AAT3689 |
|---|---|
| Datasheet | AAT3689 Download |
| Manufacturer |  AAT |
| Description | USB Port/Adapter Lithium-Ion/Polymer Battery Charger |
| Buy | Stock & Price |
GENERAL DESCRIPTION
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. AAT3689FEATURES
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● BatteryManager™ 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
APPLICATIONS
directly driving two external LEDs.● Cellular Telephones The AAT3689 is available in a Pb-free, thermally● Digital Still Cameras enhanced, space-saving 12-pin 3x3mm TDFN
● Hand-Held PCs package and is rated over the -40°C to +85°C tem● MP3 Players perature range.
● Personal Data Assistants (PDAs)
● Other Li...
