Browse > Article
http://dx.doi.org/10.7471/ikeee.2021.25.3.528

A study on PCB Heat Dissipation Characteristics of High Density Power Supply for E-mobility  

Kim, Jong-Hae (School of Electronic and Electrical Engineering, Daegu Catholic University)
Publication Information
Journal of IKEEE / v.25, no.3, 2021 , pp. 528-533 More about this Journal
Abstract
This paper presents the PCB heat dissipation characteristics of high density DC-DC converter for electric vehicles. This paper also analyzes the heat dissipation structure of the high density DC-DC converter and optimizes the PCB heat dissipation design of the high density power system through thermal analysis simulation. Based on heat transfer theory, the thermal path of general electronic devices is analyzed and the thermal resistance equivalent circuit is modeled in this paper. Additionally, the thermal resistance equivalent circuit of the 500W synchronous buck converter, which is addressed in this paper, is modeled to present a structural heat dissipation path for better thermal performance. The validity of the proposed scheme is verified through the thermal analysis simulation results and experiments applying multi-surface heat dissipation structure to a 500[W](12[V], 41.67[A]) synchronous buck converter prototype with an input voltage 72[V].
Keywords
E-mobility; PCB Heat Dissipation; Thermal Analysis; Icepak; Synchronous DC-DC Converter;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Di Han, Silong Li, Woongkul Lee, Bulent Sarlioglu, "Adoption of Wide Bandgap Technology in Hybrid/Electric Vehicles-Opportunities and Challenges," IEEE ITEC, 2017. DOI: 10.1109/ITEC.2017.7993332   DOI
2 J. M. Shin, C. W. Park, S. K. Han, "Non-Dissipative Snubber for High Switching Frequency and High Power Density Step-Down Converters," The Transactions of KIPE, Vol,22, No.4, pp.345-352, 2017. DOI: 10.6113/TKPE.2017.22.4.345   DOI
3 S. K. Kim, K. Y. Kim, J. W. Kim, J. H. Lee, J. S. Won, J. H. Bae, J. H. Kim, "Structural design of 500W ultra high density DC-DC Converter," The 51th KIEE Summer Conference 2020, pp. 1305-1306, 2020. DOI: 10.6113/TKPE.2021.26.3.199   DOI
4 J. W. Shin, S. K. Chae and B. H. Cho, "A New Zero-Current Transition boost converter using split inductor," in Proc. IPEMC, pp.534-539, 2009. DOI: 10.1109/IPEMC.2009.5157445   DOI
5 W. H. Kim, Y. S. Son, "Trend of Micro e-Mobility," The Korean Institute of Electrical Engineers, Vol.68, No.4, pp.25-29, 2019.