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AF4054

AFSEMI
Part Number AF4054
Manufacturer AFSEMI
Description 800mA Lithium Ion Battery Linear Charger
Published Dec 18, 2018
Detailed Description AF4054 800mA Lithium Ion Battery Linear Charger GENERAL DESCRIPTION AF4054 is a complete CC/CV linear charger for single...
Datasheet PDF File AF4054 PDF File

AF4054
AF4054

Overview
AF4054 800mA Lithium Ion Battery Linear Charger GENERAL DESCRIPTION AF4054 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 AF4054 automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the f...


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