mAgnes - Wide-band current sensor with high dynamics for energy efficient power switching

Today, current sensors are ubiquitous in automotive electronics, electric drives, server and telecom applications, lighting management, converters in solar and wind turbines and many other power electronic applications. They are a key component both for the control of safety-relevant applications as well as for energy conversion.

The key to coping with these increased demands placed on current sensors is a high bandwidth of at least 1 GHz, DC capability, high dynamics above 140 dB and a compact design. The project mAgnes aims at the development of such a high performance current sensor.

Projekt titel mAgnes – Wide-band current sensor with high dynamics for energy efficient power switching

Duration 2019 – 2021
Projekt Coordinator Fraunhofer ISIT
FUnding Body Fraunhofer-Gesellschaft
Projekt partners
  • Fraunhofer ISIT
  • Fraunhofer IAF
Projekt leader (IAF) Dr. Agnė Žukauskaitė
Objectives
  • Development of a compact high-performance current sensor with highest dynamic range (160 dB) and for frequencies from DC to GHz range.
  • Combination of a powerful magnetostrictive detection principle with a high frequency SAW (Surface Acoustic Wave) Resonator.
  • Cost-effective silicon technology with piezoelectric AlScN layer.

Piezoelectric Material


Another project at Fraunhofer IAF that uses piezoelectric materials is PiTrans