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BQ24201 Datasheet Li-ion/li-pol Charger

Manufacturer: Texas Instruments

Overview: www.ti.com bq24200, bq24201 bq24202, bq24203 bq24204, bq24205 SLUS501C – OCTOBER 2001 – REVISED MARCH 2008 SINGLE-CHIP LI-ION AND LI-POL CHARGE MANAGEMENT IC FOR CURRENT-LIMITED.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The bq2420x series are simple Li-Ion linear charge management devices targeted at low-cost and space limited charger applications.

The bq2420x series offer integrated powerFET, high-accuracy voltage regulation, temperature monitoring, charge status, and charge termination, in a single monolithic device.

The bq2420x is designed to work with a current-limited wall-mount transformer and therefore does not provide any current regulation.

Key Features

  • 1.
  • Designed Specifically to Work With Current-Limited Wall Supplies.
  • Ideal for Low Dropout Charger Design for Single-Cell Li-Ion Packs With Coke or Graphite Anodes.
  • Integrated PowerFET for 500 mA.
  • Integrated Voltage Regulation With 0.5% Accuracy.
  • Battery Insertion and Removal Detection.
  • Charge Termination by Minimum Current and Time.
  • Pre-Charge Conditioning With Safety Timer.
  • Sleep Mode for Low-Power Consumption.
  • Ch.

BQ24201 Distributor