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ETA4049 - 1A Fully Integrated Linear Charger

Description

ETA4049 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 ETA4049 ideal for portable applications.

Features

  • 30V Input Standoff Voltage.
  • 4.2V Charge Termination Voltage.
  • 2.6V Trickle Charge Threshold.
  • Input Over Voltage Protection.
  • Charge Current Programmable, up to 1A.
  • 400nA BAT Current when No Charging.
  • Soft-start Limits in-rush Current.
  • DFN3x3-10 Package.
  • RoHS Compliant.

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Datasheet preview – ETA4049

Datasheet Details

Part number ETA4049
Manufacturer ETA
File Size 486.18 KB
Description 1A Fully Integrated Linear Charger
Datasheet download datasheet ETA4049 Datasheet
Additional preview pages of the ETA4049 datasheet.

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Full PDF Text Transcription

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ETA4049 30V Input Standoff, 1A Fully Integrated Linear Charger for 1 Cell Li-ion Battery DESCRIPTION ETA4049 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 ETA4049 ideal for portable applications. No external sense resistor or blocking diode is necessary for the ETA4049. Build-in thermal feedback mechanism regulates the charge current to control the die temperature during high power operation or at elevated ambient temperature. The ETA4049 has the function of precharge, which can charge the deeply discharged batteries by trickle. The fast charge current can be programmed by an external resistor.
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