The BQ7694002DBTR is a highly integrated battery management system (BMS) microcontroller from Texas Instruments (TI). It is designed to provide precise and efficient battery cell monitoring, protection, and control for various battery chemistries, including lithium-ion and lithium-polymer.
Description:
The BQ7694002DBTR is a system-on-chip (SoC) solution that integrates a 32-bit ARM Cortex-M0 processor, high-precision analog front ends (AFEs), and various communication interfaces. It is available in a 40-pin, 5mm x 5mm, RoHS-compliant, leadless, thermally enhanced QFN package.
Features:
- Integrated 32-bit ARM Cortex-M0 processor for efficient control and processing.
- Up to 12 or 14 cell channels with high-precision ADCs for accurate cell voltage and temperature monitoring.
- Integrated fuel gauge for estimating the state of charge (SoC) and state of health (SoH) of the battery.
- Multiple communication interfaces, including I2C, SPI, and UART, for easy integration with other system components.
- Advanced protection features, such as overvoltage, undervoltage, overcurrent, short-circuit, and temperature protection.
- Power-path isolation and individual cell balancing for improved safety and performance.
- Programmable charge and discharge current and voltage settings for customizable battery management.
- Sleep and active power modes for optimized power consumption.
- On-chip oscillator with a low drift temperature characteristic for improved accuracy.
- Security features, such as a unique 128-bit device ID and support for secure boot and communication protocols.
Applications:
- Electric vehicles (EVs) and hybrid electric vehicles (HEVs) for battery pack monitoring and management.
- Energy storage systems (ESS) for renewable energy applications, such as solar and wind power systems.
- Portable electronics, such as smartphones, laptops, and tablets, for improved battery life and safety.
- Industrial equipment and machinery for reliable and efficient battery management.
- Medical devices and equipment requiring precise and safe battery monitoring and control.
The BQ7694002DBTR is a versatile and powerful BMS microcontroller that can be used in a wide range of applications requiring accurate and efficient battery management. Its integration of various features and communication interfaces makes it a popular choice for designers looking to implement advanced battery management solutions.