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KB4054 - Li-Ion Battery Charger

Datasheet Summary

Description

The KB 4054 is a complete constant-current/constantvoltage linear charger for single cell lithium-ion batteries.

Its ThinSOT package and low external component count make the KB4054 ideally suited for portable applications.

Features

  • Programmable Charge Current Up to 600mA.
  • No MOSFET, Sense Resistor or Blocking Diode Required.
  • Complete Linear Charger in SOT Package for Single Cell Lithium-Ion Batteries.
  • Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating.
  • Charges Single Cell Li-Ion Batteries Directly from USB Port.
  • Preset 4.2V Charge Voltage with ±1% Accuracy.
  • Charge Current Monitor Output for Gas Gauging.
  • Automatic R.

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Datasheet preview – KB4054

Datasheet Details

Part number KB4054
Manufacturer Kingbor Technology
File Size 127.04 KB
Description Li-Ion Battery Charger
Datasheet download datasheet KB4054 Datasheet
Additional preview pages of the KB4054 datasheet.

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Full PDF Text Transcription

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Kingbor Technology Co.,Ltd TEL:(86)0755-26508846 FAX:(86)0755-26509052 KB4054 Li-Ion Battery Charger FEATURES ■ Programmable Charge Current Up to 600mA ■ No MOSFET, Sense Resistor or Blocking Diode Required ■ Complete Linear Charger in SOT Package for Single Cell Lithium-Ion Batteries ■ Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating ■ Charges Single Cell Li-Ion Batteries Directly from USB Port ■ Preset 4.2V Charge Voltage with ±1% Accuracy ■ Charge Current Monitor Output for Gas Gauging ■ Automatic Recharge ■ Charge Status Output Pin ■ C/10 Charge Termination ■ 25µA Supply Current in Shutdown ■ 2.
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