bq29312A
Overview
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.
- 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 4.5 V to 25 V