Texas Instruments

BQ40Z795ARSMR

BQ40Z795ARSMR is a highly integrated system-on-chip (SoC) solution for multi-cell lithium-ion (Li-ion) and lithium-polymer (Li-poly) battery packs, designed by Texas Instruments (TI). This SoC is specifically designed to provide a comprehensive solution for battery management systems (BMS) in various applications, such as electric vehicles (EVs), plug-in hybrid electric vehicles (PHEVs), energy storage systems (ESS), and portable devices.

Description:

The BQ40Z795ARSMR is a System-on-Chip (SoC) solution that integrates a microcontroller, battery fuel gauge, and battery management system (BMS) functionalities into a single chip. It is based on an ARM Cortex-M4F processor with a floating-point unit (FPU), providing high computational performance and efficient power consumption.

Features:

1. Multi-cell support: The BQ40Z795ARSMR can support up to 15 series-connected lithium-ion or lithium-polymer battery cells.
2. Integrated microcontroller: The device features an ARM Cortex-M4F processor with a floating-point unit (FPU), providing high computational performance and efficient power consumption.
3. High-precision fuel gauging: The SoC includes an advanced fuel gauging algorithm that provides accurate state-of-charge (SoC) and state-of-health (SoH) estimations.
4. Active and passive cell balancing: The device supports both active and passive cell balancing techniques to maintain cell voltage uniformity and extend battery life.
5. Safety features: The BQ40Z795ARSMR includes multiple safety features, such as overvoltage, undervoltage, overcurrent, short-circuit, and temperature protection.
6. Communication interfaces: The SoC provides various communication interfaces, including I2C, SPI, UART, and a dedicated battery monitoring interface (BMI).
7. Programmability and configurability: The device can be programmed and configured using TI's Battery Management Studio (BMS) software, allowing for easy customization and optimization of the BMS parameters.
8. Low power consumption: The BQ40Z795ARSMR is designed for low power consumption, making it suitable for energy-sensitive applications.

Applications:

1. Electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs): The BQ40Z795ARSMR is ideal for managing the battery packs in EVs and PHEVs, providing accurate fuel gauging, cell balancing, and safety features.
2. Energy storage systems (ESS): The SoC can be used in ESS for renewable energy applications, such as solar and wind power systems, to manage the battery pack's performance and safety.
3. Portable devices: The BQ40Z795ARSMR can be used in high-end portable devices, such as laptops, power tools, and drones, to provide accurate battery monitoring and protection.
4. Industrial equipment: The device can be used in industrial applications, such as robotics, medical equipment, and uninterruptible power supplies (UPS), to ensure reliable and safe battery management.

In summary, the BQ40Z795ARSMR from Texas Instruments is a highly integrated SoC solution for managing multi-cell lithium-ion and lithium-polymer battery packs in various applications. Its advanced features, such as high-precision fuel gauging, cell balancing, safety features, and low power consumption, make it an ideal choice for a wide range of battery management applications.