INA240A2QPWRQ1

The INA240A2QPWRQ1 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 INA240A2 is capable of measuring small voltage drops across a shunt resistor, allowing for precise current measurements. It can handle common mode voltages up to 80V, making it suitable for high-voltage applications.

2. Gain Options: The device features a fixed gain of 100V/V, which allows for easy integration into various circuit designs without the need for external components to set the gain.

3. Input Voltage Range: The input common mode voltage range is from -2V to +80V, enabling the device to work in a wide range of applications, including those with high-side or low-side current sensing.

4. Low Offset Voltage: The INA240A2 has a low offset voltage, which contributes to its high accuracy in current measurement. This is critical for applications where precision is paramount.

5. High Bandwidth: With a bandwidth of up to 1 MHz, the INA240A2 can respond quickly to changes in current, making it suitable for dynamic applications.

6. Power Supply: The device operates from a single supply voltage ranging from 2.7V to 5.5V, which simplifies the design and reduces the number of required power supplies.

7. Package: The INA240A2QPWRQ1 is housed in a small, thermally efficient TSSOP (Thin Shrink Small Outline Package) with 8 pins, making it suitable for space-constrained designs.

8. Temperature Range: It is rated for operation over an extended temperature range, typically from -40°C to +125°C, ensuring reliability in harsh environments.

9. Protection Features: The device includes built-in protection against overvoltage and thermal shutdown, enhancing its robustness in various 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 provide feedback for control systems.
• Industrial Automation: For current sensing in various industrial equipment and machinery.

Conclusion:

The INA240A2QPWRQ1 from Texas Instruments is a versatile and reliable current shunt monitor that combines high accuracy, wide input range, and robust performance in a compact package. Its features make it an excellent choice for engineers looking to implement precise current sensing in their designs.