The INA280A2QDCKRQ1 is a high-accuracy current sense amplifier designed by Texas Instruments specifically for automotive and industrial applications. This device is part of TI's precision amplifier portfolio and is ideal for a wide range of applications, including motor control, battery management, and power-supply monitoring.

Key Features

• High Accuracy: The INA280A2QDCKRQ1 offers excellent accuracy with a maximum offset voltage of 50 µV and gain error of just 0.5%, ensuring precise current measurement.
• Wide Common-Mode Range: It operates over a common-mode voltage range of -0.3V to +26V, which is beyond the supply rails, making it suitable for high-side current sensing in a variety of systems.
• High Bandwidth: With a bandwidth of 1 MHz, this current sense amplifier can handle fast switching applications, providing real-time current monitoring.
• Low Quiescent Current: The device features a low quiescent current of 310 µA, which is ideal for power-sensitive systems.
• Robustness: Designed to meet the stringent requirements of the automotive industry, the INA280A2QDCKRQ1 is qualified for operation from -40°C to +125°C and is AEC-Q100 qualified.
• Multiple Gain Options: It comes with a fixed gain of 20 V/V, which simplifies design considerations by eliminating the need for external gain-setting components.
• Small Package: The device is available in a compact, leaded SC70 package that is suitable for space-constrained applications.

Applications

The INA280A2QDCKRQ1 is versatile and can be used in various automotive applications such as:

• Battery management systems
• Overcurrent protection
• Motor control
• Power management
• Energy metering

With its precision measurement capabilities and robust design, the INA280A2QDCKRQ1 from Texas Instruments is a reliable choice for engineers looking to enhance the performance and safety of their automotive systems.