Although semiconductor manufacturing processes have significantly improved, the threshold voltage can vary even in dice belonging to the same lot, leading to thermal imbalance that can jeopardize system reliability, whether used individually or in parallel. This article looks at how sorting the threshold voltages of SiC modules can minimize the impact of parametric spread on switching performance. While this study specifically focuses on traction inverters, the results apply to a wide variety of fields including medical systems, industrial, renewable energy. As the use of multiple power modules in parallel is gaining importance, the results will describe how this can greatly improve the current capability in all areas of application.
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