INA2181A1QDGSRQ1

The INA2181A1QDGSRQ1 is a precision current shunt monitor from Texas Instruments, designed for high-performance applications in various electronic systems. This device is particularly useful for measuring small currents with high accuracy, making it ideal for battery management systems, power monitoring, and industrial applications.

Key Features:

1. Current Sensing: The INA2181A1QDGSRQ1 can measure differential voltages across a shunt resistor, allowing it to accurately determine the current flowing through the load. It is capable of measuring currents in both directions.

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

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

4. Gain Options: The INA2181A1QDGSRQ1 features a fixed gain of 100V/V, which allows for a significant amplification of the sensed voltage, making it easier to read with standard ADCs.

5. Low Offset Voltage: The device boasts a low input offset voltage, which enhances its accuracy in current measurement, especially in low-current applications.

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

7. Small Package Size: The INA2181A1QDGSRQ1 is available in a compact VSSOP (Very Thin Shrink Small Outline Package) with a 10-pin configuration, making it suitable for space-constrained designs.

8. Temperature Range: The device is rated for operation over an extended temperature range, typically from -40°C to +125°C, which is essential for automotive and industrial applications.

9. Low Power Consumption: The INA2181A1QDGSRQ1 is designed for low power operation, which is critical for battery-powered devices and energy-efficient systems.

Applications:

• Battery Management Systems: For monitoring charge and discharge currents in battery packs.
• Power Monitoring: In power supplies and converters to track energy consumption.
• Industrial Automation: For current sensing in motors and actuators.
• Telecommunications: In equipment where precise current measurement is necessary for performance monitoring.

Conclusion:

The INA2181A1QDGSRQ1 from Texas Instruments is a robust and precise current shunt monitor that offers a combination of high accuracy, wide voltage range, and low power consumption. Its features make it an excellent choice for a variety of applications requiring reliable current measurement.