The INA290A1QDCKRQ1 is a high-precision automotive, bidirectional current sense amplifier from Texas Instruments. This device is designed to monitor both shunt voltage drops and bus supply voltage, providing an essential component for power management solutions in automotive and industrial applications.

Key Features

• High Accuracy: The INA290A1QDCKRQ1 boasts a low offset voltage, enabling high-accuracy current measurement across a wide range of temperatures.
• Bidirectional Sensing: It can detect current flow in both directions, which is crucial for applications such as battery charging and discharging monitoring.
• Wide Common-Mode Range: The device operates over a common-mode voltage range from -0.2V to +85V, making it versatile for various systems.
• Automotive Qualified: As a Q1 device, it meets the stringent requirements of the automotive industry, ensuring reliability and performance under harsh conditions.

Applications

The INA290A1QDCKRQ1 is ideal for a range of applications where precise current measurement is critical. This includes:

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

Technical Specifications

With a bandwidth of up to 500 kHz, the INA290A1QDCKRQ1 can handle high-speed signals, making it suitable for dynamic load conditions. It has a gain error of just ±0.5% (max) and an offset voltage of ±80 µV (max), which ensures precise current measurements.

Package and Availability

The INA290A1QDCKRQ1 is offered in a small, surface-mount SC-70 package, which is ideal for space-constrained applications. It is also available in a reel, facilitating efficient assembly processes for high-volume production.

For more information, datasheets, and support resources, visit the Texas Instruments website or contact their sales and support team.