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bq29312A - Lithium-Ion or Lithium-Polymer Battery Protection

Description

The bq29312A is a 2-, 3-, or 4-cell lithium-ion battery pack protection analog front end (AFE) IC that incorporates a 3.3-V, 25-mA low-dropout regulator (LDO).

The bq29312A also integrates an I2C compatible interface to extract battery parameters such as cell voltages and control output status.

Features

  • 2-, 3-, or 4-Cell Series Protection Control.
  • Can Directly Interface With the bq2084 Gas Gauges.
  • Provides Individual Cell Voltages and Battery Voltage to Battery Management Host.
  • Integrated Cell Balancing Drive.
  • I2C Compatible User Interface Allows Access to Battery Information.
  • Programmable Threshold and Delay for Overload and Short Circuit During Charge and Discharge.
  • System Alert Interrupt Output.
  • Host Control Can Initiat.

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Datasheet preview – bq29312A

Datasheet Details

Part number bq29312A
Manufacturer Texas Instruments
File Size 1.34 MB
Description Lithium-Ion or Lithium-Polymer Battery Protection
Datasheet download datasheet bq29312A Datasheet
Additional preview pages of the bq29312A datasheet.

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Full PDF Text Transcription

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www.ti.com PW RTH bq29312A SLUS629A – JANUARY 2005 – REVISED AUGUST 2005 TWO-CELL, THREE-CELL, AND FOUR-CELL LITHIUM-ION OR LITHIUM-POLYMER BATTERY PROTECTION AFE FEATURES • 2-, 3-, or 4-Cell Series Protection Control • Can Directly Interface With the bq2084 Gas Gauges • Provides Individual Cell Voltages and Battery Voltage to Battery Management Host • Integrated Cell Balancing Drive • I2C Compatible User Interface Allows Access to Battery Information • Programmable Threshold and Delay for Overload and Short Circuit During Charge and Discharge • System Alert Interrupt Output • Host Control Can Initiate Sleep Power Mode and Ship Mode • Integrated 3.3-V, 25-mA LDO • Supply Voltage Range From 4.
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