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ETA40543 - 1.2A/16V Fully Integrated Linear Charger

Description

ETA40543 is a single cell, fully integrated constant current (CC)/constant voltage (CV) Li-ion battery charger.

Its compact package with minimum external components requirement makes the ETA40543 ideal for portable applications.

Features

  • 16V input standoff voltage.
  • 4.35V charge termination voltage.
  • 2.9V trickle charge threshold.
  • Charge current programmable, up to 1.2A.
  • 250nA BAT current when no charging.
  • Soft-start limits in-rush current.
  • ESOP8 and SOT23-6 package.

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Datasheet preview – ETA40543

Datasheet Details

Part number ETA40543
Manufacturer ETA
File Size 603.43 KB
Description 1.2A/16V Fully Integrated Linear Charger
Datasheet download datasheet ETA40543 Datasheet
Additional preview pages of the ETA40543 datasheet.

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Full PDF Text Transcription

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ETA40543 1.2A/16V Fully Integrated Linear Charger for 1 Cell 4.35V Li-ion Battery DESCRIPTION ETA40543 is a single cell, fully integrated constant current (CC)/constant voltage (CV) Li-ion battery charger. Its compact package with minimum external components requirement makes the ETA40543 ideal for portable applications. No external sense resistor or blocking diode is necessary for the ETA40543. Build-in thermal feedback mechanism regulates the charge current to control the die temperature during high power operation or at elevated ambient temperature. The ETA40543 has a pre-charge function for trickle charging deeply discharged batteries. The fast charge current can be programmed by an external resistor.
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