3-D magnetic field sensors are widely used in consumer, automotive and industrial applications to measure position, direction and angular rotation. Although they can be made in low-cost chip technology (CMOS), their accuracy is not good enough for use in e.g. magnetic compasses for mobile phones or for accurate current sensing in electric vehicles.
Project Goal
In recent years, my group has made three key breakthroughs that have significantly improved the accuracy and bandwidth of 1-D magnetic field sensors. The goal of this project is to explore how these breakthroughs can be applied to the design of 3-D magnetic field sensors.
Project Outcome
We intend to develop prototpe 3-D magnetic field sensors in an advanced CMOS process provided by our industrial partner, Analog Devices Inc. (ADI). Together with ADI, these prototypes will then be used as the key building blocks of technology demonstrators that will explore their use in magnetic compass and current sensing applications.