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XT2054

Silinktek
Part Number XT2054
Manufacturer Silinktek
Description Standalone Linear Li-Ion Battery Charger
Published Dec 5, 2018
Detailed Description XT2054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation ■ General Description The XT2054 is a complete...
Datasheet PDF File XT2054 PDF File

XT2054
XT2054

Overview
XT2054 Standalone Linear Li-Ion Battery Charger with Thermal Regulation ■ General Description The XT2054 is a complete constant-current /constant -voltage linear charger for single cell lithium-ion batteries.
Its ThinSOT package and low external component count make the XT2054 ideally suited for portable applications.
Furthermore, the XT2054 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 XT2054 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 XT205...


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