Review of Pulse Test Setup for the Switching Characterization of GaN Power Devices

Guangze Zu, Huiqing Wen*, Yinxiao Zhu, Rui Zhong, Qinglei Bu, Wen Liu, Yinchao Zhao, Miao Cui

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Pulse test techniques are widely adopted in characterizing both the static and dynamic performances of semiconductor devices considering various device structures and operating conditions. For gallium nitride (GaN) devices, due to the current collapse phenomenon, fast and accurate measurement of their key electrical parameters, such as dynamic ON-state resistance ${R}_{\text {ds}, \mathrm{\scriptscriptstyle ON}}$ , switching rising time, fall time, switching losses, and short-circuit (SC) robustness, becomes essential. This article presents a comprehensive review of state-of-the-art pulse test setup methods such as the double-pulse test (DPT), multiple-pulse test (MPT), and SC test (SCT) for the first time, which facilitates the GaN device structure design and practical applications in high efficiency and power density power converters.

Original languageEnglish
Pages (from-to)3003-3013
Number of pages11
JournalIEEE Transactions on Electron Devices
Volume69
Issue number6
DOIs
Publication statusPublished - 1 Jun 2022

Keywords

  • Accumulated degradation
  • clamping circuit
  • dynamic ON-resistance
  • pulse test
  • short-circuit (SC) robustness
  • switching performance
  • Performance evaluation
  • dynamic on-resistance
  • Switches
  • Clamps
  • Gallium nitride
  • Switching circuits
  • Switching loss
  • Transient analysis

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