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AP5054 - Standalone Linear Li-Ion Battery Charger

General Description

The AP5054 is a complete constant current & constant voltage linear charger for single cell lithium-ion batteries.

Its SOT package and low external component count make the AP5054 ideally suited for portable applications.

Key Features

  • include charge current monitor, under-voltage lockout, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage.

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Datasheet Details

Part number AP5054
Manufacturer Chipown
File Size 505.11 KB
Description Standalone Linear Li-Ion Battery Charger
Datasheet download datasheet AP5054 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP5054 Chipown Standalone Linear Li-Ion Battery Charger With Thermal Regulation In SOT Description The AP5054 is a complete constant current & constant voltage linear charger for single cell lithium-ion batteries. Its SOT package and low external component count make the AP5054 ideally suited for portable applications. Furthermore, the AP5054 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.