bq29311 Datasheet (Texas Instruments) - 3- and 4-Cell Lithium-Ion or Lithium-Polymer Battery Protection

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

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.

Other parameters, such as over

bq29311 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