BQ7692003PWR

The BQ7692003PWR is a highly integrated battery monitor and protection device from Texas Instruments, designed specifically for lithium-ion and lithium-polymer battery management systems. This device is part of the BQ76920 family, which is tailored for applications requiring precise battery monitoring and protection in multi-cell battery packs.

Key Features:

1. Cell Monitoring: The BQ7692003PWR can monitor up to 20 series-connected battery cells, making it suitable for high-capacity battery packs. It provides accurate voltage measurements for each cell, ensuring that the cells operate within safe limits.

2. Integrated Protection: The device includes built-in protection features such as over-voltage, under-voltage, and over-current protection. This helps prevent damage to the battery cells and enhances the overall safety of the battery system.

3. Communication Interface: The BQ7692003PWR supports a variety of communication protocols, including I2C and SMBus, allowing it to interface easily with microcontrollers and other system components. This facilitates real-time monitoring and control of the battery pack.

4. Temperature Monitoring: The device can monitor the temperature of the battery cells, which is crucial for maintaining safe operating conditions. It can interface with external temperature sensors to provide accurate thermal management.

5. Low Power Consumption: Designed for efficiency, the BQ7692003PWR operates with low power consumption, which is essential for battery-operated devices. This feature helps extend the overall battery life of the application.

6. Flexible Configuration: The device can be configured for different battery chemistries and pack configurations, making it versatile for various applications, including electric vehicles, portable electronics, and energy storage systems.

7. Integrated ADC: The BQ7692003PWR features an integrated analog-to-digital converter (ADC) that provides high-resolution measurements of cell voltages and temperatures, ensuring accurate data for monitoring and control.

8. Fault Detection: The device includes advanced fault detection capabilities, allowing it to identify and respond to abnormal conditions, such as short circuits or cell imbalances, thereby enhancing the reliability of the battery system.

Package and Pin Configuration:

The BQ7692003PWR is housed in a compact, thermally enhanced HTQFP (Thin Quad Flat Pack) package, which allows for efficient heat dissipation and easy integration into printed circuit boards (PCBs). The pin configuration is designed for straightforward connections to external components, including power supplies, sensors, and communication lines.

Applications:

The BQ7692003PWR is ideal for a wide range of applications, including:

• Electric vehicles (EVs)
• Energy storage systems (ESS)
• Portable consumer electronics
• Power tools
• Uninterruptible power supplies (UPS)

Conclusion:

Overall, the BQ7692003PWR from Texas Instruments is a robust and versatile solution for battery management, offering comprehensive monitoring and protection features that enhance the safety and performance of lithium-ion and lithium-polymer battery systems. Its combination of high integration, low power consumption, and flexible configuration makes it a popular choice among engineers and designers in the battery management field.