INA240A2EDRQ1

The INA240A2EDRQ1 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 INA240A2EDRQ1 can measure small voltage drops across a shunt resistor, allowing for precise current measurements. 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 supply voltage range of 2.7V to 5.5V, which provides flexibility for various applications and power supply configurations.

3. High Common-Mode Voltage Range: The INA240A2EDRQ1 supports a common-mode voltage range of -0.3V to 26V, enabling it to be used in high-side current sensing applications without being affected by the voltage level of the load.

4. Low Offset Voltage: With a low offset voltage of typically 50µV, the INA240A2EDRQ1 ensures high accuracy in current measurements, minimizing errors due to the inherent characteristics of the device.

5. Gain Options: The device features a fixed gain of 100V/V, which simplifies the design process by eliminating the need for external gain-setting resistors.

6. Integrated Protection Features: The INA240A2EDRQ1 includes built-in protection against overvoltage and thermal shutdown, enhancing reliability in demanding environments.

7. Small Package Size: The device is available in a compact VSSOP (Very Thin Shrink Small Outline Package) with a footprint of 3mm x 5mm, making it suitable for space-constrained applications.

8. Temperature Range: It operates over an extended temperature range of -40°C to +125°C, ensuring reliable performance in various environmental conditions.

9. Low Power Consumption: The INA240A2EDRQ1 is designed for low power consumption, making it ideal for battery-operated devices and applications where energy efficiency is critical.

Applications:

• Battery Management Systems: For monitoring charge and discharge currents in battery packs.
• Power Supply Monitoring: To measure output currents in power supplies and converters.
• Motor Control: For current feedback in motor drive applications.
• Industrial Automation: In systems requiring precise current measurements for control and monitoring.

Conclusion:

The INA240A2EDRQ1 from Texas Instruments is a versatile and reliable current shunt monitor that combines high accuracy, a wide operating range, and compact packaging. Its features make it an excellent choice for a variety of applications where precise current measurement is essential.