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LP4054

Part Number	LP4054
Manufacturer	Lowpowersemi
Description	500mA Standalone Linear Li-Ion Battery Charger
Published	Sep 13, 2018
Detailed Description	Preliminary Datasheet LP4054 500mA Standalone Linear Li-Ion Battery Charger General Description The LP4054 is a compl...
Datasheet	LP4054 PDF File

Overview

Preliminary Datasheet LP4054 500mA Standalone Linear Li-Ion Battery Charger General Description The LP4054 is a complete constant-current/constant- voltage linear charger for single cell lithium -ion batteries.
Its SOT23-5 package and low external component count make the LP4054 ideally suited for portable applications.
Furthermore, the LP4054 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...

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