LTspice Modelling of Wolfspeed SiC MOSFET and SiC Diode

Описание: This video demonstrates how to add a SiC MOSFET and SiC diode using Wolfspeed's SPICE models in a simple DC chopper application.

The utilization of Silicon Carbide (SiC) MOSFETs and diodes continues to grow and advance. SiC power devices have high voltage capabilities, low loss and fast switching characteristics.

One of my class design projects was a PFC CCM boost circuit for off-line applications with a universal AC input. The ability to select the appropriate fly-back diode and MOSFET switch was critical for this project, and LTspice does not have a good selection of MOSFETs and diodes in its built in library. Therefore, using vendor models is critical in the verification via simulation of the student's design project.

Wolfspeed/Cree is a leader in SiC development and has really good SPICE models that work well in LTspice. Here's the link to the Wolfspeed/Cree Power Products page https://www.wolfspeed.com/power/products

Their SPICE models work very well. Here is the link to the Wolfspeed/Cree LTspice model library download page https://go.wolfspeed.com/all-models

The LTSpice Simulator download can be obtained here https://www.analog.com/en/design-cent...

My Day Job: Milwaukee School of Engineering
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Recording Software: OBS Studio by Open Broadcast Software
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Editing Software: Davinci Resolve 17 by Black Magic Design
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