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bq29312 Datasheet 3- And 4-cell Lithium-ion Or Lithium-polymer Battery Protection

Manufacturer: Texas Instruments

Overview: www.ti.com PW bq29312 SLUS546E – MARCH 2003 – REVISED MARCH 2005 THREE AND FOUR CELL LITHIUM-ION OR LITHIUM-POLYMER BATTERY PROTECTION.

Datasheet Details

Part number bq29312
Manufacturer Texas Instruments
File Size 1.62 MB
Description 3- and 4-Cell Lithium-Ion or Lithium-Polymer Battery Protection
Datasheet bq29312-etcTI.pdf

General Description

The bq29312 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 bq29312 also integrates an I2C compatible interface to extract battery parameters such as cell voltages and control output status.

Other parameters such as current protection thresholds and delays can be programmed into the bq29312 to increase the flexibility of the battery management system.

Key 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 Over Load and Short Circuit During Charge and Discharge.
  • System Alert Interrupt Output.
  • Host Control Can Initia.

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