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A4053

AiT Semiconductor
Part Number A4053
Manufacturer AiT Semiconductor
Description 1A LINEAR LI-ION BATTERY CHARGER
Published Jun 2, 2015
Detailed Description AiT Semiconductor Inc. www.ait-ic.com A4053 BATTERY MANAGEMENT 1A LINEAR LI-ION BATTERY CHARGER DESCRIPTION FEATURES ...
Datasheet PDF File A4053 PDF File

A4053
A4053


Overview
AiT Semiconductor Inc.
www.
ait-ic.
com A4053 BATTERY MANAGEMENT 1A LINEAR LI-ION BATTERY CHARGER DESCRIPTION FEATURES The A4053 is a complete constant current & constant voltage linear charger for single cell lithium-ion batteries.
Its P-MSOP package and low external component count make the A4053 ideally suited for portable applications.
Furthermore, the A4053 is specifically designed to work within USB power specifications.
No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture.
Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature.
The charge voltage is fixed at 4.
2V, and the charge current can be programmed externally with a single resistor.
The A4053 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached.
When the input supply (wall adapter or USB supply) is ...



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