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AF4056E

AFSEMI
Part Number AF4056E
Manufacturer AFSEMI
Description 1.1A Lithium Ion Battery Linear Charger
Published Dec 18, 2018
Detailed Description AF4056E 1.1A Lithium Ion Battery Linear Charger GENERAL DESCRIPTION AF4056E is a complete CC/CV linear charger for singl...
Datasheet PDF File AF4056E PDF File

AF4056E
AF4056E

Overview
AF4056E 1.
1A Lithium Ion Battery Linear Charger GENERAL DESCRIPTION AF4056E is a complete CC/CV linear charger for single cell lithium-ion batteries.
It 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 P-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 AF4056E 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 removed the AF4056E automatically enters a low current state dropping the battery drain current to less than 2μA.
The AF4056E can be put into shutdown mode reducing the supply current to 55μA.
Other features i...


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