Radiated EMI Reduction by Layout Improvement in Power Converters in Automotive Applications

被引：10
|
作者：
Yao, Juntao [1 ]
Wang, Shuo [1 ]
Luo, Zheng [2 ]
机构：
[1] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
[2] Monolith Power Syst Inc, San Jose, CA USA
来源：
2020 IEEE 9TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (IPEMC2020-ECCE ASIA) | 2020年
关键词：
Radiated emission; electromagnetic interference (EMI); radiated EMI; common mode; non-isolated power converter; EMISSIONS;
D O I：
10.1109/IPEMC-ECCEAsia48364.2020.9367662
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Power converter layout is a critical factor for the radiated EMI. Because the radiation excitation is generated by the power converter and it is significantly influenced by the layout. The power converter layout includes the component location and the PCB trace layout. This paper develops noise modeling techniques to reveal the mechanisms of the layout's influences. And based on the modeling researches, layout improvement guidelines for reducing the radiated EMI are produced, including the component location improvement, and the PCB layout improvement. Experimental verifications including the semi-anechoic chamber testing are conducted on a buck-boost power converter and on a buck power converter in automotive applications.
引用
收藏
页码：1894 / 1899
页数：6
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