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High performance GaN-based monolithic bidirectional switch using diode bridges

  • Haiyong Wang
  • , Wei Mao
  • , Cui Yang
  • , Shenglei Zhao
  • , Ming Du
  • , Xiaofei Wang
  • , Xuefeng Zheng
  • , Chong Wang
  • , Chunfu Zhang
  • , Jincheng Zhang
  • , Yue Hao
  • Xidian University

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A p-GaN gate high electron mobility transistor (HEMT) based monolithic bidirectional switch with diode bridge structures is demonstrated. The bidirectional switch features four recessed anode Schottky barrier diodes embedded in a p-GaN HEMT, which effectively reduces the on-state voltage and minimizes the parasitic elements. The proposed device exhibits a high threshold voltage of 1.84 V, a low on-state voltage of 1.13 V, and a high forward and reverse off-state breakdown voltages of ∼1100 V. In addition, the function of the bidirectional switch as an AC power chopper is successfully verified.

Original languageEnglish
Article number096502
JournalApplied Physics Express
Volume14
Issue number9
DOIs
StatePublished - Sep 2021

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