The BQ7692000PWR is a highly integrated battery management system (BMS) microcontroller (MCU) from Texas Instruments (TI) designed for lithium-ion (Li-ion) and lithium-polymer (Li-Po) batteries. It is specifically designed to provide accurate battery monitoring, protection, and control in various applications, such as electric vehicles (EVs), energy storage systems (ESS), and portable electronics.
Description:
The BQ7692000PWR is a system-on-chip (SoC) solution that integrates a high-performance MCU, a precision analog front end (AFE), and various interfaces to manage and monitor the battery pack. It is available in a 40-VQFN package and operates over a wide temperature range of -40°C to +125°C.
Features:
- Highly accurate state-of-charge (SoC) and state-of-health (SoH) estimation: The BQ7692000PWR uses advanced algorithms to estimate the remaining battery capacity and health, ensuring optimal battery performance and longevity.
- Multichannel monitoring: The device can monitor up to 15 series-connected battery cells, providing accurate voltage, current, and temperature measurements for each cell.
- Integrated protection features: The BMS MCU offers over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection to safeguard the battery pack from potential damage.
- Active and passive cell balancing: The BQ7692000PWR supports both active and passive cell balancing techniques to maintain cell voltage uniformity and extend battery life.
- Wide input voltage range: The device can operate with battery pack voltages ranging from 9V to 60V, making it suitable for various battery configurations.
- Multiple communication interfaces: The BQ7692000PWR features I2C, SPI, and UART interfaces for communication with other system components, such as the vehicle control unit (VCU) or a charging station.
- Programmable alerts and interrupts: The device can generate alerts and interrupts based on user-defined thresholds, allowing for real-time monitoring and control.
- Sleep mode and low-power operation: The BMS MCU can be put into a low-power sleep mode to conserve energy when not actively monitoring or controlling the battery pack.
Applications:
- Electric vehicles (EVs): The BQ7692000PWR is ideal for managing the battery packs in electric cars, buses, and motorcycles, ensuring accurate SoC and SoH estimation, and providing necessary protection features.
- Energy storage systems (ESS): The BMS MCU can be used in residential, commercial, and industrial energy storage applications to monitor and protect battery packs, optimizing their performance and lifespan.
- Portable electronics: The BQ7692000PWR can be employed in high-end smartphones, laptops, and other portable devices to enhance battery management and protection.
- Uninterruptible power supply (UPS) systems: The device can be used in UPS systems to monitor and protect backup battery packs, ensuring reliable power supply during outages.
- Medical equipment: The BQ7692000PWR can be utilized in medical devices that require precise battery management and protection, such as portable defibrillators and patient monitoring systems.
In summary, the BQ7692000PWR from Texas Instruments is a versatile and highly integrated battery management system microcontroller designed to provide accurate monitoring, protection, and control for Li-ion and Li-Po batteries in various applications, including electric vehicles, energy storage systems, and portable electronics.