INA240A1QDRQ1

The INA240A1QDRQ1 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 INA240A1QDRQ1 can measure small voltage drops across a shunt resistor, allowing for precise current measurement. It is capable of sensing currents in both directions, making it suitable for bidirectional current monitoring.

2. Wide Supply Voltage Range: The device operates over a wide supply voltage range, typically from 2.7V to 5.5V, which makes it versatile for various applications.

3. High Common-Mode Voltage Range: The INA240A1QDRQ1 supports a high common-mode voltage range, up to 80V, enabling it to be used in high-voltage applications without compromising performance.

4. Low Offset Voltage: The device features a low offset voltage, which enhances accuracy in current measurements. This is critical for applications where precision is paramount.

5. Gain Options: The INA240A1QDRQ1 is available with a fixed gain of 20V/V, allowing for easy integration into systems without the need for external gain-setting resistors.

6. Integrated Protection Features: The device includes built-in protection against overvoltage and thermal shutdown, ensuring reliability and longevity in demanding environments.

7. Small Package Size: The INA240A1QDRQ1 is offered in a compact QFN (Quad Flat No-lead) package, which is advantageous for space-constrained designs.

8. Low Power Consumption: The device is designed for low power operation, making it suitable for battery-powered applications where energy efficiency is critical.

Applications:

• Battery Management Systems: The INA240A1QDRQ1 is ideal for monitoring battery charge and discharge currents, helping to optimize battery performance and lifespan.
• Motor Control: In motor control applications, this device can provide real-time current feedback, enabling efficient control strategies and protection against overcurrent conditions.
• Power Monitoring: The device can be used in power monitoring systems to measure current in various electrical loads, contributing to energy management and efficiency improvements.

Electrical Characteristics:

• Input Voltage Range: The device can handle a wide input voltage range, making it suitable for various shunt resistor configurations.
• Output Voltage Range: The output voltage is proportional to the sensed current, allowing for easy interfacing with analog-to-digital converters (ADCs) or microcontrollers.

Conclusion:

The INA240A1QDRQ1 from Texas Instruments is a robust and versatile current shunt monitor that combines high accuracy, wide voltage range, and low power consumption. Its features make it an excellent choice for a variety of applications in industrial, automotive, and consumer electronics sectors, where precise current measurement is essential.