Simulating Wide Bandgap FET Models in LTspice

Jongwon Shin, Joonho Shin
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Abstract

Proper usage of FET models in simulation saves time and effort in developing power converters. This paper presents how gallium nitride or silicon carbide (SiC) FET models provided by their manufacturers are verified and utilized in LTspice XVII simulation. The simulation and experimental results of a double pulse test circuit using SiC FETs are compared to prove the preciseness and feasibility of the simulation.
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LTspice中宽带隙场效应管模型的仿真
在仿真中适当地使用场效应管模型可以节省开发功率变换器的时间和精力。本文介绍了制造商提供的氮化镓或碳化硅(SiC)场效应管模型如何在LTspice XVII仿真中进行验证和使用。通过对SiC场效应管双脉冲测试电路的仿真和实验结果进行比较,验证了仿真的准确性和可行性。
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