Product Overview: INA190A4QDCKRQ1 from Texas Instruments

The INA190A4QDCKRQ1 is a high-precision current sense amplifier from Texas Instruments, designed specifically for automotive and industrial applications where accurate current measurement is crucial. This device is part of TI's industry-leading portfolio of current sense amplifiers that offer a blend of performance, power efficiency, and versatility.

Key Features

• High Accuracy: The INA190A4QDCKRQ1 features a low offset voltage (±35 µV maximum at +25°C) and a gain error of just ±0.2% maximum at +25°C, ensuring high-accuracy current measurements for critical applications.
• Wide Common-Mode Range: With a common-mode voltage range from -0.2V to +26V, this current sense amplifier is capable of operating in a variety of system voltages, making it highly versatile for different automotive and industrial environments.
• Quiescent Current: It boasts a low quiescent current of 260 µA (typical), which is essential for power-sensitive applications.
• Multiple Gain Options: The INA190A4 variant has a fixed gain of 200V/V, providing a precise amplification level for current sensing tasks.
• Robust Construction: The device comes in an SC70 package and is qualified for automotive applications, adhering to the AEC-Q100 standard. This ensures reliable performance under harsh conditions.

Applications

The INA190A4QDCKRQ1 is ideal for a wide range of applications, including:

• Automotive battery management systems
• Motor control in industrial and automotive settings
• Power management systems
• Overcurrent protection and monitoring
• Portable electronics

Summary

The Texas Instruments INA190A4QDCKRQ1 is a robust and precise current sense amplifier that meets the stringent requirements of automotive and industrial applications. Its high accuracy, wide common-mode range, and low power consumption make it an excellent choice for designers looking to improve the safety, efficiency, and reliability of their systems. Whether it's for battery management, motor control, or power monitoring, the INA190A4QDCKRQ1 delivers the performance needed for critical current sensing tasks.