The BQ7790512PW is an integrated circuit (IC) component from Texas Instruments. It is a battery management system (BMS) IC that offers advanced features and functionality to ensure safe and efficient operation of a rechargeable lithium-ion battery pack. Below are some key features of the BQ7790512PW IC:
1. Battery Management: The BQ7790512PW provides comprehensive battery management capabilities, including voltage measurement, current sensing, and temperature monitoring. It supports up to 12 series-connected lithium-ion cells and accurately estimates the state of charge (SOC) and state of health (SOH) of the battery.
2. Safety and Protection: This IC incorporates various safety features to protect the battery pack from overcharging, over-discharging, and overcurrent conditions. It includes built-in voltage and current protection circuits, as well as a watchdog timer for fault monitoring and system diagnostics.
3. Cell Balancing: The BQ7790512PW supports active cell balancing, which helps equalize the charge across individual battery cells in a series stack. This feature improves the overall pack capacity utilization, extends the battery life, and enhances the pack's overall performance.
4. Communication Interface: The IC facilitates communication between the battery pack and the external host system through an I2C interface. It enables the host system to access battery information, configure various parameters, and receive status updates for efficient battery management
