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HX4056A - 800mA Standalone Linear Li-Ion Battery Charger

General Description

The HX4056A is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries.

Its ESOP8 package and low external component count make the HX4056A ideally suited for portable applications.

Key Features

  • include charge current monitor, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage. Order Information HX4056A.
  • F:Pb-Free Features.
  • Programmable Charge Current up to 800mA.
  • No MOSFET, Sense Resistor or Blocking Diode Required.
  • Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize.
  • Charge Rate Without Risk of Overheating.
  • 4.2V Charge Voltage with ± 1% Accuracy.

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Datasheet Details

Part number HX4056A
Manufacturer HXDZ
File Size 618.79 KB
Description 800mA Standalone Linear Li-Ion Battery Charger
Datasheet download datasheet HX4056A Datasheet

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Full PDF Text Transcription (Reference)

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HX4056A 800mA Standalone Linear Li-Ion Battery Charger General Description The HX4056A is a complete constant-current/constant- voltage linear charger for single cell lithium-ion batteries. Its ESOP8 package and low external component count make the HX4056A ideally suited for portable applications. Furthermore, the HX4056A 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.