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

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.

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
Additional preview pages of the bq29311 datasheet.

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Full PDF Text Transcription

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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.
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