Product Overview: INA190A5QDCKRQ1 from Texas Instruments

The INA190A5QDCKRQ1 is a state-of-the-art current sense amplifier from Texas Instruments, designed for automotive and industrial applications requiring high accuracy and reliability. This precision current-sensing solution is part of TI's AEC-Q100 qualified products, ensuring it meets the rigorous standards required for automotive-grade components.

With a wide common-mode voltage range of -0.2V to +26V, the INA190A5QDCKRQ1 is well-suited for both high-side and low-side current sensing. Its ability to operate over a temperature range of -40°C to +125°C makes it ideal for harsh environments commonly found in automotive systems, such as battery management, motor control, and power supply monitoring.

The device features a fixed gain of 200V/V, providing a precise amplification of the differential input voltage across a shunt resistor. This high level of gain accuracy (typical of 0.1%) ensures minimal error in current measurement, which is crucial for systems that depend on precise data to maintain efficiency and safety. Additionally, the INA190A5QDCKRQ1 boasts a low offset voltage of just 35 µV (max), further enhancing the accuracy of the current measurements.

The INA190A5QDCKRQ1 comes in an ultra-small, leaded SC70 package, making it a compact solution for space-constrained applications. Despite its small size, it does not compromise on performance, offering a bandwidth of up to 500 kHz, which allows for fast response times in dynamic systems.

As for protection features, the INA190A5QDCKRQ1 is equipped with electromagnetic interference (EMI) filters that minimize the effects of high-frequency interference, ensuring stable operation in electrically noisy environments. This is particularly important in automotive applications where EMI can be a significant concern.

In summary, the INA190A5QDCKRQ1 from Texas Instruments is a robust, high-precision current sense amplifier that provides automotive and industrial designers with a reliable and accurate solution for current measurement. Its wide voltage range, high accuracy, and compact form factor make it an excellent choice for a wide range of applications.