The INA280A2IDCKR is a bidirectional, high-accuracy current sense amplifier from Texas Instruments, designed to provide precise current measurement for both high-side and low-side applications. This device is part of the INA280 series, which is known for its performance in power management systems across a wide range of industries.

Key Features

• High Accuracy: With an offset voltage of just 35 µV and gain error of only 0.5%, the INA280A2IDCKR offers highly accurate current sensing capabilities.
• Wide Common-Mode Range: It operates over a common-mode voltage range from -0.3V to +26V, making it suitable for various applications, including those that involve battery monitoring and power supply control.
• Bidirectional Sensing: This feature allows the device to measure current in both directions, which is essential for applications like charge and discharge monitoring in battery management systems.
• High Bandwidth: The INA280A2IDCKR provides a bandwidth of up to 850 kHz, enabling fast response times for dynamic load changes.
• Low Quiescent Current: With a quiescent current of only 350 µA, it is an energy-efficient choice for portable and battery-powered applications.

Applications

• Power management in servers and telecom equipment
• Battery chargers and monitoring systems
• Overcurrent and load drop detection
• Automotive systems such as motor control and battery management
• Industrial automation and power supply systems

Package and Operation

The INA280A2IDCKR is available in a compact SC-70 package, which is ideal for space-constrained applications. It is designed to operate over a temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments. The device's integrated features, such as the voltage output that directly interfaces with microcontrollers or ADCs, make it a versatile and easy-to-use solution for current sensing requirements.

Conclusion

Overall, the Texas Instruments INA280A2IDCKR is a robust, accurate, and versatile current sense amplifier that meets the demands of a variety of applications, providing engineers with a reliable tool for power management and monitoring tasks.