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AAT3670 - Dynamic Battery Charger and Power Manager

General Description

The AAT3670 BatteryManager is a highly integrated single-cell lithium-ion/polymer (Li-ion) battery charger and system power management IC that enables simultaneous battery charging and full system usage without compromising the battery's charge cycle life.

Key Features

  • BatteryManager™ ADP, USB, or Battery Powers System Load Through Internal Current-Limited Switches Simultaneous Battery Charging and System Usage Voltage Sensed Charge Reduction Loop to Minimize Charge Time, Even While the System Operates Digitized Thermal Loop Battery Power Enable (ENBAT) Battery Charge Timer (CT) Battery Temperature Monitoring (TS) Battery Charge S.

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Datasheet Details

Part number AAT3670
Manufacturer ANALOGICTECH
File Size 685.33 KB
Description Dynamic Battery Charger and Power Manager
Datasheet download datasheet AAT3670 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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1.6A Dynamic Battery Charger and Power Manager General Description The AAT3670 BatteryManager is a highly integrated single-cell lithium-ion/polymer (Li-ion) battery charger and system power management IC that enables simultaneous battery charging and full system usage without compromising the battery's charge cycle life. It operates with low-voltage AC adapter (ADP) and USB inputs and requires a minimum number of external components. The AAT3670 selects ADP or USB to power the system load and charge the battery when ADP/USB power is available. The AAT3670 precisely regulates battery charge voltage and current for 4.2V Li-ion cells. Charge current can be programmed up to 1.6A for ADP charging and 0.9A or 0.1A for USB charging by resistors on the ADPSET/ USBSET pins.