Product Overview: INA190A3QDCKRQ1

The INA190A3QDCKRQ1 is a precision current-sense amplifier from Texas Instruments, optimized for automotive and industrial applications. This high-accuracy device is designed to measure small differential voltages across a current-sensing resistor in the presence of high common-mode voltages with a range of -0.2V to +26V.

Key Features

• High Accuracy: The INA190A3QDCKRQ1 boasts an accuracy of 0.1%, ensuring precise current measurement for critical applications.
• Wide Common-Mode Range: With the ability to handle common-mode voltages from -0.2V to +26V, this amplifier is suitable for a variety of systems including those with high-side or low-side current sensing.
• Low Offset Voltage: The device features a low offset voltage of 35 µV (max), which contributes to its high-precision performance.
• Quiescent Current: The amplifier's low quiescent current of 260 µA (max) makes it ideal for power-sensitive applications.
• Multiple Gain Options: It offers a gain of 20 V/V, providing flexibility in designing current measurement solutions.
• Automotive Qualified: As a Q1 device, it meets the stringent requirements of automotive applications and is qualified for use in such environments.

Applications

The INA190A3QDCKRQ1 is suitable for a variety of applications, especially where precision current measurement is crucial. It is commonly used in:

• Automotive battery management systems
• Motor control in industrial systems
• Power management in energy systems
• Overcurrent protection circuits

Package and Reliability

This current-sense amplifier is available in an SC-70 package with 6 pins, providing a compact footprint for space-constrained applications. Its robust design ensures reliability and performance even in harsh automotive and industrial environments.

For engineers and designers looking for a reliable and precise current-sensing solution, the INA190A3QDCKRQ1 from Texas Instruments stands out as an excellent choice, combining high accuracy with automotive-grade quality.