Gate driver power supply arrangement for cascode-connected super-junction MOSFETs in a bridge-leg

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Abstract

This letter presents a circuit for powering cascode gate driver circuits with super-junction (SJ) MOSFETs in a bridge-leg. The cascode gate driver gives inherent MOSFET intrinsic diode deactivation, and the bridge-leg incorporates an inductive turn-on snubber which controls the charging currents into the MOSFETs’ output capacitances. The cascode driver circuits and snubber inductor are configured such that the gate-drive energy is derived from the power stage.

Original languageEnglish
Pages (from-to)988-990
Number of pages3
JournalElectronics Letters
Early online date7 Nov 2022
DOIs
Publication statusPublished - 2022

Keywords

  • MOSFETs
  • electrical circuits
  • super-junctions

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