Analysis of Crosstalk and Suppression Methods for Enhancement-Mode GaN HEMTs in A Phase-Leg Topology

Haihong Qin,Wenlu Wang,Feifei Bu,Zihe Peng,Ao Liu,Song Bai

2021 IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia)（2021）

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摘要

When using traditional driver circuits, enhanced gallium nitride power device (eGaN HEMT) suffers from serious crosstalk problems in a phase-leg topology. An improved active Miller clamp driver circuit is designed in this paper to suppress the influence of crosstalk. First, the crosstalk mechanism is analyzed, and the influence of various factors on crosstalk were evaluated experimentally. Then, w...

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关键词

Resistors,Crosstalk,Switches,Logic gates,HEMTs,Topology,Clamps

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