TMR and Compound Semiconductor Hall Elements in Current Sensors

Magnetic sensors are essential components in consumer electronics, including home appliances, as well as in industrial equipment, robotics, and automobiles. Leveraging magnetic sensors’ precise position detection and current measurement has advanced automation technology by enabling safer, more efficient operation. In recent years, TMR (Tunnel Magnetoresistance) elements and compound semiconductor Hall elements have garnered attention as key components of next-generation technologies.

The characteristics of magnetic sensors vary depending upon their type. Understanding their mechanisms and features is essential for optimal design choices and product development. This document aims to deepen the understanding of the principles and characteristics of TMR elements and compound semiconductor Hall elements, as well as the benefits of their use in current sensor applications.