双面散热汽车IGBT模块热测试方法研究

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Abstract With new packaging structure, the double-sided cooling (DSC) automotive IGBT has two heat dissipation surface, which is different from traditional IGBT module and requires a new way to acquire its thermal resistance. This article develops dual-TIM thermal resistance measurement methodology, including customized test equipment design, ideal TIM selection, pressing force and test method research, successfully achieves single-side thermal resistance measurement of DSC automotive IGBT. The article analyzes the difference between test results and simulation, and delivers correction route. This novel methodology has good repetitive and generality, which provides the reference for thermal resistance measurement of DSC automotive IGBT modules.

Key words： double-sided cooling automotive IGBT thermal resistance measurement

Received: 18 August 2022

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	Articles by authors
	LUO Zhexiong
	ZHOU Wangjun
	LU Jinhui
	DONG Guozhong

Cite this article:

LUO Zhexiong,ZHOU Wangjun,LU Jinhui等. Study on thermal resistance measurement methodology of double-sided cooling automotive IGBT module[J]. Electrical Engineering, 2022, 23(12): 24-30.

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http://dqjs.cesmedia.cn/EN/Y2022/V23/I12/24

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