Experimental investigations of static and transient current sharing of parallel-connected silicon carbide MOSFETs
2013 15th European Conference on Power Electronics and …, 2013•ieeexplore.ieee.org
An Experimental performance analysis of a parallel connection of two 1200/80 MΩ silicon
carbide SiC MOSFETs is presented. Static parallel connection was found to be
unproblematic. The switching performance of several pairs of parallel-connected MOSFETs
is shown employing a common simple totem-pole driver. Good transient current sharing and
high-speed switching waveforms with small oscillations are presented. To conclude this
analysis, a dc/dc boost converter using parallel-connected SiC MOSFETs is designed for …
carbide SiC MOSFETs is presented. Static parallel connection was found to be
unproblematic. The switching performance of several pairs of parallel-connected MOSFETs
is shown employing a common simple totem-pole driver. Good transient current sharing and
high-speed switching waveforms with small oscillations are presented. To conclude this
analysis, a dc/dc boost converter using parallel-connected SiC MOSFETs is designed for …
An Experimental performance analysis of a parallel connection of two 1200/80 MΩ silicon carbide SiC MOSFETs is presented. Static parallel connection was found to be unproblematic. The switching performance of several pairs of parallel-connected MOSFETs is shown employing a common simple totem-pole driver. Good transient current sharing and high-speed switching waveforms with small oscillations are presented. To conclude this analysis, a dc/dc boost converter using parallel-connected SiC MOSFETs is designed for stepping up a voltage from 50 V to 560 V. It has been found that at high frequencies, a mismatch in switching losses results in thermal unbalance between the devices.
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