INA240A4QDRQ1

The INA240A4QDRQ1 is a precision current shunt monitor from Texas Instruments, designed for high-performance applications requiring accurate current sensing. This device is particularly useful in power management systems, battery monitoring, and motor control applications.

Key Features:

1. Current Sensing: The INA240A4QDRQ1 can measure small voltage drops across a shunt resistor, allowing for precise current measurements. It is capable of sensing currents in both high-side and low-side configurations.

2. Wide Supply Voltage Range: The device operates over a supply voltage range of 2.7V to 5.5V, making it versatile for various applications.

3. High Common-Mode Voltage Range: It supports a common-mode voltage range of up to 36V, which is beneficial for high-voltage applications.

4. Gain Options: The INA240A4QDRQ1 features a fixed gain of 100V/V, providing a significant amplification of the sensed voltage, which enhances the accuracy of current measurements.

5. Low Offset Voltage: The device boasts a low offset voltage, which minimizes measurement errors and improves overall accuracy.

6. High Bandwidth: With a bandwidth of up to 1MHz, the INA240A4QDRQ1 can respond quickly to changes in current, making it suitable for dynamic applications.

7. Integrated Protection Features: The device includes built-in protection against overvoltage and thermal shutdown, ensuring reliability and longevity in various operating conditions.

8. Package Type: The INA240A4QDRQ1 is available in a small, thermally enhanced QFN package, which aids in efficient thermal management and space-saving designs.

9. Temperature Range: It operates over an extended temperature range, typically from -40°C to +125°C, making it suitable for automotive and industrial applications.

Applications:

• Battery Management Systems: For monitoring charge and discharge currents in battery packs.
• Motor Control: To measure current in motor drive applications, ensuring efficient operation and protection.
• Power Monitoring: In power supplies and converters to track power consumption and efficiency.
• Industrial Automation: For current sensing in various industrial equipment and machinery.

Conclusion:

The INA240A4QDRQ1 is a robust and precise current shunt monitor that offers a combination of high accuracy, wide voltage range, and integrated protection features, making it an excellent choice for a variety of demanding applications in the automotive, industrial, and consumer electronics sectors. Its compact design and high performance make it a valuable component for engineers looking to implement reliable current sensing solutions.