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AAT3688 - USB Port Lithium-Ion/Polymer Battery Charger

General Description

The AAT3688 BatteryManager™ is a highly integrated single cell lithium-ion/polymer battery charger IC designed to operate with USB port inputs.

It requires the minimum number of external components.

Key Features

  • 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.

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Datasheet Details

Part number AAT3688
Manufacturer AAT
File Size 568.18 KB
Description USB Port Lithium-Ion/Polymer Battery Charger
Datasheet download datasheet AAT3688 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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USB Port Lithium-Ion/Polymer Battery Charger General Description The AAT3688 BatteryManager™ is a highly integrated single cell lithium-ion/polymer battery charger IC designed to operate with USB port inputs. It requires the minimum number of external components. The AAT3688 precisely regulates battery charge voltage and current for 4.2V lithium-ion/polymer battery cells. Depending on the USB port type, the AAT3688 charge current can be programmed for two separate levels up to 500mA. 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. AAT3688 Features • • • BatteryManager™ Battery temperature and charge state are fully monitored for fault conditions.