BQ7694001DBTR

The BQ7694001DBTR is a highly integrated battery monitor and protection device from Texas Instruments, designed specifically for lithium-ion battery management systems. This device is part of the BQ76940 family, which is tailored for applications requiring precise monitoring and protection of battery cells in multi-cell configurations.

Key Features:

1. Cell Monitoring: The BQ7694001 can monitor up to 16 series-connected battery cells, making it suitable for high-capacity battery packs. It provides accurate voltage measurements for each cell, ensuring that the battery operates 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 BQ7694001 supports a variety of communication protocols, including I2C, which allows for easy integration with microcontrollers and other system components. This facilitates real-time monitoring and control of the battery management system.

4. Temperature Monitoring: The device can interface with external temperature sensors, enabling temperature monitoring of the battery pack. This is crucial for preventing thermal runaway and ensuring safe operation under varying environmental conditions.

5. Low Power Consumption: The BQ7694001 is designed for low power operation, which is essential for battery-powered applications. It features a sleep mode that significantly reduces power consumption when the device is not actively monitoring the battery.

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

7. Integrated ADC: The built-in analog-to-digital converter (ADC) provides high-resolution measurements of cell voltages, enabling precise monitoring and control of the battery state.

8. Fault Detection: The BQ7694001 includes features for detecting faults in the battery system, such as short circuits or open connections, and can communicate these faults to the host controller for appropriate action.

Package and Pin Configuration:

The BQ7694001DBTR is available in a compact HTQFP (Thin Quad Flat Pack) package, which allows for efficient use of PCB space. The pin configuration is designed for easy integration into battery management systems, with dedicated pins for cell voltage inputs, communication, and power supply.

Applications:

The BQ7694001 is ideal for a wide range of applications, including:

• Electric vehicles (EVs)
• Hybrid electric vehicles (HEVs)
• Energy storage systems (ESS)
• Portable consumer electronics
• Power tools

Conclusion:

The BQ7694001DBTR from Texas Instruments is a robust and versatile solution for battery management, offering advanced features for monitoring, protection, and communication. Its integration of multiple functionalities into a single device simplifies design and enhances the safety and reliability of battery-operated systems.