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ME4057 - 1A Lithium Ion Battery Linear Charger

Description

ME4057 is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries.

With a thermally enhanced 8-PIN SOP package on the bottom and low external component count make the ME4057 ideally suited for portable applications.

Features

  • include Battery temperature monitor, under-voltage lockout, automatic recharge and two status pins to indicate charge and charge termination. Features.
  • Protection of battery cell reverse connection.
  • Programmable charge current up to 1A.
  • No MOSFET sense resistor or blocking diode required.
  • Complete linear Charger in SOP8 Package for single Cell Lithium-Ion Batteries.
  • Constant-Current/Constant-Voltage operation with thermal regulation to maximize Rate TyWpiicthaolucthri.

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Datasheet Details

Part number ME4057
Manufacturer Microne
File Size 353.74 KB
Description 1A Lithium Ion Battery Linear Charger
Datasheet download datasheet ME4057 Datasheet

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Full PDF Text Transcription

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ME4057 1A Lithium Ion Battery Linear Charger ME4057 General Description ME4057 is a complete constant-current/constant voltage linear charger for single cell lithium-ion batteries. With a thermally enhanced 8-PIN SOP package on the bottom and low external component count make the ME4057 ideally suited for portable applications. Furthermore the ME4057 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 PMOSFET 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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