同时降低开关浪涌和开关损耗的高带宽有源栅极驱动器

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-05-01 DOI:10.1541/ieejjia.22007696

Yuichi Noge, Masahito Shoyama

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引用次数: 1

摘要

本研究研究了用于SiC-MOSFET的有源栅极驱动器(AGD)。源电流反馈型AGD利用源导线电感的感应电压作为负反馈信号来调节源电流di/dt。由于反馈系统带宽的限制，最近AGD开关性能的改进是有限的。本文采用高带宽电流反馈型功率运算放大器作为门驱动电路。通过双脉冲实验装置，对传统阻栅驱动器和AGD的开关特性进行了实验研究。开关设置条件为700v / 80a。本文介绍了AGD电路的研制和实验结果。使用AGD可以减少Vds和i的超调和振铃。同时降低了开关损耗。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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High Bandwidth Active Gate Driver for Simultaneous Reduction of Switching Surge and Switching Loss of SiC-MOSFET

This study investigates an active gate driver (AGD) for an SiC-MOSFET. The source current feedback type AGD utilizes the induced voltage of the source wire inductance as a negative feedback signal to regulate the source current di/dt. Recent improvements in the switching performance of the AGD is limited due to the feedback system bandwidth. In this paper, a high bandwidth current feedback type power operational amplifier is applied as the gate drive circuit. Switching characteristics of the conventional resistive gate driver and AGD are experimentally investigated via a double pulse test setup. The switching setup condition is 700 V / 80 A. This paper describes the development of the AGD circuit and experimental results. The over-shoot and ringing of the Vds and Is are reduced using the AGD. Moreover, the switching loss is simultaneously reduced.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.