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ETA4257 - 1.2A/40V Fully Integrated Linear Charger

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Datasheet Details

Part number ETA4257
Manufacturer ETA
File Size 632.79 KB
Description 1.2A/40V Fully Integrated Linear Charger
Datasheet download datasheet ETA4257 Datasheet

General Description

ETA4257 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 ETA4257 ideal for portable applications.

No external sense resistor or blocking diode is necessary for the ETA4257.

Overview

ETA4257 1.2A/40V Fully Integrated Linear Charger for 1 Cell Li-ion.

Key Features

  • 40V input standoff voltage.
  • 4.2V charge termination voltage.
  • 2.6V trickle charge threshold.
  • Charge current programmable, up to 1.2A.
  • 400nA BAT current when no charging.
  • Soft-start limits in-rush current.
  • Fault and Charge Status Indicator.
  • DFN3x3-10.

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