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LP4056 - 1A/800mA Standalone Linear Li-Ion Battery Charger

Datasheet Summary

Description

The LP4056 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 LP4056 ideally suited for portable applications.

Features

  • include charge current monitor, automatic recharge and a status pin to indicate charge termination and the presence of an input voltage. Order Information LP4056.
  • F:Pb-Free Features.
  • Programmable Charge Current up to 1A/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% Ac.

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Datasheet preview – LP4056

Datasheet Details

Part number LP4056
Manufacturer Lowpowersemi
File Size 492.11 KB
Description 1A/800mA Standalone Linear Li-Ion Battery Charger
Datasheet download datasheet LP4056 Datasheet
Additional preview pages of the LP4056 datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet LP4056 1A/800mA Standalone Linear Li-Ion Battery Charger General Description The LP4056 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 LP4056 ideally suited for portable applications. Furthermore, the LP4056 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.
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