SiC vertical JFET pure diode-less inverter leg

The aim of this paper is to investigate the ability of a vertical structure JFET to operate in an inverter leg without any internal or external diode. The JFET is characterized to show the reverse conduction capability while the gate-to-source voltage is lower than the threshold voltage. An inverter leg is tested at 540V/5A and 50 kHz. A specific test board is implemented to assess a safe operation over a period of time.