Overview
The BQ769142PFBR is a high-accuracy battery monitor and protector designed by Texas Instruments for Li-Ion, Li-Polymer, and LiFePO4 battery packs. This component is part of the BQ76914 series, which supports battery configurations ranging from 3 to 14 cells. It is tailored for applications requiring precise monitoring and protection of battery systems, making it ideal for industries such as electric vehicles, energy storage systems, and portable electronics. The BQ769142PFBR stands out for its advanced features, including high-accuracy voltage monitoring, integrated protection mechanisms, and robust communication interfaces.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Battery Configuration | 3 to 14 cells | - | Supports Li-Ion, Li-Polymer, LiFePO4 |
| Voltage Measurement Accuracy | ±10 | mV | High precision |
| Communication Interface | I2C, SPI | - | Flexible communication options |
| Operating Temperature | -40 to 85 | °C | Wide temperature range |
| Package | 48-TQFP | - | Compact form factor |
Key Features
- High-Accuracy Voltage Monitoring: Ensures precise measurement of individual cell voltages.
- Integrated Protection: Includes overvoltage, undervoltage, and overcurrent protection.
- Flexible Communication: Supports I2C and SPI interfaces for easy integration.
- Robust Design: Operates reliably in harsh environments with a wide temperature range.
Applications
The BQ769142PFBR is widely used in various industries, including:
- Electric Vehicles (EVs): Provides accurate battery monitoring and protection for EV battery management systems.
- Energy Storage Systems (ESS): Ensures the safety and efficiency of battery packs in renewable energy storage applications.
- Portable Electronics: Enhances the reliability of battery-powered devices such as laptops, power tools, and medical equipment.
Q & A
1. What is the primary function of the BQ769142PFBR?
The BQ769142PFBR is designed to monitor and protect Li-Ion, Li-Polymer, and LiFePO4 battery packs with high accuracy.
2. What battery configurations does it support?
It supports battery configurations ranging from 3 to 14 cells.
3. What is the voltage measurement accuracy?
The voltage measurement accuracy is ±10 mV.
4. What communication interfaces are supported?
It supports I2C and SPI communication interfaces.
5. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
6. What type of protection does it offer?
It offers overvoltage, undervoltage, and overcurrent protection.
7. What is the package type?
The package type is 48-TQFP.
8. Is it suitable for electric vehicles?
Yes, it is ideal for electric vehicle battery management systems.
9. Can it be used in energy storage systems?
Yes, it is commonly used in energy storage systems for battery monitoring and protection.
10. What are the key advantages of this component?
Its key advantages include high-accuracy monitoring, integrated protection, and flexible communication options.
