Description
BQ24780SRUyr – Texas Instruments
Overview
The BQ24780SRUyr is a highly integrated, flexible, and scalable battery management system (BMS) controller from Texas Instruments. This device is designed to support multiple battery chemistries and is optimized for large-scale battery pack applications.
Key Features
- Supports up to 10 series and 10 parallel cells
- High-accuracy voltage, current, and temperature measurements
- Integrated 10-bit analog-to-digital converter (ADC)
- Two dedicated 16-bit delta-sigma ADCs for high-precision voltage and current measurements
- Integrated 12-bit digital-to-analog converter (DAC) for voltage regulation
- Robust communication interfaces, including I2C, SPI, and UART
- Supports ISO 26262 functional safety standard
Technical Parameters
General Characteristics
- Package Type: WQFN-64
- Package Size: 7 mm x 7 mm
- Operating Temperature Range: -40°C to 125°C
- Storage Temperature Range: -55°C to 150°C
Electrical Characteristics
- Supply Voltage: 2.7 V to 5.5 V
- Typical Supply Current: 120 μA
- Maximum Supply Current: 200 μA
- Input Voltage Range: 0 V to 5 V
- Output Voltage Range: 0 V to 5 V
Timing Characteristics
- Oscillator Frequency: 32.768 kHz to 16 MHz
- Watchdog Timer: 1 ms to 128 ms
- Start-Up Time: 100 μs
Memory and Interface
- Program Memory: 64 KB
- Data Memory: 4 KB
- Interface: I2C, SPI, UART
Safety and Reliability
- ESD Protection: Human body model (HBM) ±4 kV
- Latch-Up Performance: 100 mA
- Operating Life: 20 years
Documentation and Resources
Related Products
Purchase and Support
To purchase the BQ24780S or to get more information, please contact us. Our dedicated sales and support teams are available to assist you with any questions or requirements you may have.