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bq29311 - 3- and 4-Cell Lithium-Ion or Lithium-Polymer Battery Protection

General Description

The bq29311 is a three- or four-cell lithium-ion battery pack protection analog front end (AFE) IC that incorporates a 3.3-V 25-mA low-dropout regulator (LDO) and an I2C compatible interface to extract battery parameters such as cell voltages and control output status.

Key Features

  • D 3- or 4-Cell Series Protection Control D Autonomous Overcurrent and Short Circuit Protection D Provides Individual Cell Voltages to Battery Management Host D Integrated Cell Balancing Control D I2C Compatible User Interface Allows Access to Battery Information D User Control to Initiate Protection D Integrated 3.3-V 25-mA LDO D Programmable Shutdown and Brownout Control D Provides Drive for Three External FETs D Low Supply Current of 140 µA Typical D Programmable Threshold and Delay for Short-.

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Datasheet Details

Part number bq29311
Manufacturer Texas Instruments
File Size 518.38 KB
Description 3- and 4-Cell Lithium-Ion or Lithium-Polymer Battery Protection
Datasheet download datasheet bq29311 Datasheet

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Other Datasheets by Texas Instruments

Part Number Description
bq29312 3- and 4-Cell Lithium-Ion or Lithium-Polymer Battery Protection
bq29312A Lithium-Ion or Lithium-Polymer Battery Protection
bq29330 Lithium-Ion or Lithium-Polymer Battery Protection
bq29200 Voltage Protection
bq29209 Voltage Protection

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.ti.com bq29311 SLUS487D − DECEMBER 2001 − REVISED NOVEMBER 2003 THREEĆ AND FOURĆCELL LITHIUMĆION OR LITHIUMĆPOLYMER BATTERY PROTECTION IC FEATURES D 3- or 4-Cell Series Protection Control D Autonomous Overcurrent and Short Circuit Protection D Provides Individual Cell Voltages to Battery Management Host D Integrated Cell Balancing Control D I2C Compatible User Interface Allows Access to Battery Information D User Control to Initiate Protection D Integrated 3.