Product Overview: INA238AQDGSRQ1 from Texas Instruments

The INA238AQDGSRQ1 is a highly precise, bidirectional current sense amplifier from Texas Instruments, designed specifically for automotive and industrial applications. This advanced current-sensing solution provides state-of-the-art performance for monitoring load currents in real-time, ensuring efficient system operation and protection.

Key Features

• High Accuracy: The INA238AQDGSRQ1 offers a maximum offset voltage of 10 µV and gain error of 0.1%, enabling precise current measurement for critical applications.
• Wide Common Mode Range: With a common mode voltage range of -0.3 V to 36 V, this device is versatile and can operate in a variety of system voltages, making it suitable for both low-side and high-side current sensing.
• Programmable Gain: Users can configure the gain from 25 V/V to 200 V/V in eight steps via an I2C interface, allowing for flexibility in different use cases and applications.
• Integrated Digital Filter: An onboard digital filter helps to reduce the impact of signal noise, enhancing measurement accuracy.
• Temperature Sensing: The INA238AQDGSRQ1 also integrates a temperature sensor, offering system monitoring capability to detect and respond to thermal events.
• Automotive Qualified: This device is AEC-Q100 qualified, ensuring reliable performance under the stringent conditions typical in automotive environments.

Applications

The INA238AQDGSRQ1 is ideal for a range of applications that require precise current monitoring, including:

• Automotive battery management systems
• Motor control units
• Power management modules
• Industrial automation systems

Packaging and Availability

This component is available in an industry-standard, lead-free 10-pin VSSOP package, ensuring compatibility with a wide range of PCB designs and easy integration into existing systems. Texas Instruments provides comprehensive technical support and documentation, making the INA238AQDGSRQ1 a reliable and user-friendly choice for engineers and designers looking to enhance their current sensing capabilities.