Comparative Package Evaluation and Failure Mode Analysis of SiC, Si, and Hybrid Power Modules
李晓玲1, 曾正1*,*, 陈昊2, 邵伟华1, 胡博容1, 冉立1
1.输配电装备及系统安全与新技术国家重点实验室(重庆大学),重庆市 沙坪坝区 400044
2.阿肯色大学电气工程系,美国 费耶特维尔 72701
LI Xiaoling1, ZENG Zheng1,*, CHEN Hao2, SHAO Weihua1, HU Borong1, RAN Li1
1. State Key Laboratory of Power Transmission Equipment & System Security and New Technology (Chongqing University), Shapingba District, Chongqing 400044, China
2. Department of Electrical Engineering, University of Arkansas, Fayetteville 72701, USA
基金项目:
国家自然科学基金项目(51607016);
国家重点研发计划项目(2017YFB0102303);
Project Supported by National Natural Science Foundation of China (51607016);
National Key Research and Development Program of China (2017YFB0102303);
With expanding consumption of SiC device in fields of renewable energy, electric vehicles, etc., customized and reliable package of SiC power module is urgently needed. However, the package of available SiC power modules is identical to the standard package of Si, which leads to large parasitics and limits the high-frequency capability of SiC device. Thus, it is difficult to fully utilize the superior performance of SiC device. Considering the interaction of package and device performance, material principles and manufacturing procedures of wire-bonding power modules were presented step-by-step in this paper. Besides, flow-chart for fast test of packaged power module was illustrated. By using the same package and test method, comprehensively comparison and analyses of the studied three power modules on dynamic performance was proposed, which is of reference value for the device selection to meet the requirements of different applications. Mathematical models were proposed and experimentally confirmed to investigate the switching losses of SiC half-bridge power module. Additionally, based on a large number of failure samples, mathematical models and analyses were proposed to reveal the failure mechanism of power modules, to toward advanced package integration of next- generation SiC power modules.
KEY WORDS :SiC power module;Si power module;hybrid power module;packaging integration;failure mode analysis;
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