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A Simple Measurement Method of Common Source Inductance for GaN Devices

  • Xi'an Jiaotong University
  • Longteng Semiconductor Co. Ltd

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Common source inductance can increase switching losses and cause false triggering. Therefore, in order to further improve the switching frequency of high frequency converters, it is important to accurately measure the value of this inductance. However, the measurement of common source inductance is constrained by some practical conditions, such as the size of the common source inductance related to the layout and the coupling between the power and drive loops. This thesis proposes a low-cost and easy measurement method that can overcome these limitations. A double pulse circuit is used to generate high frequency oscillating current signals with different frequencies and amplitudes, which flow through the common source inductance of the device under test to generate voltage signals. The common source inductance is calculated by measuring the voltage and current signals on the common source inductance. The accuracy of the measurement method is verified by measuring power devices in different packages.

Original languageEnglish
Title of host publication2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5884-5888
Number of pages5
ISBN (Electronic)9781728151359
DOIs
StatePublished - 2021
Event13th IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Virtual, Online, Canada
Duration: 10 Oct 202114 Oct 2021

Publication series

Name2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings

Conference

Conference13th IEEE Energy Conversion Congress and Exposition, ECCE 2021
Country/TerritoryCanada
CityVirtual, Online
Period10/10/2114/10/21

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • common source inductance
  • double pules
  • gallium nitride
  • measurement

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