Constructal spider tree design for PCB power plane

Liu Shiyun; Huang Huifen

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Constructal spider tree design for PCB power plane

Liu Shiyun 1 *,Huang Huifen 2 #

1.School of Electronic and Information Engineering, South China University of Technology

2.School of Electronic and Information Engineering, South China University of Technology, Guangzhou, 510641

*Correspondence author

#Submitted by

Subject:

Funding: National Science Foundation of China （No.No. B5101730）, Research Fund for the Doctoral Program of Higher Education of China （No.No. D1090110）

Opened online:19 January 2011

Accepted by: none

Citation: Liu Shiyun,Huang Huifen.Constructal spider tree design for PCB power plane[OL]. [19 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4406232

In this paper, a spider power tree design technique based on constructal theory is introduced for optimal direct current performance. The optimal configuration ratio, the optimal order, and the spider tree dimensions are obtained for optimal voltage drop and resistance. In the meantime, a spider PCB power plane based on the spider tree is developed for printed circuit board. The designed spider power plane example illustrates that the designed plane has multifunctions of low voltage drop, current contour robustness, equidistribution, compactness and effective noise isolation while maintaining a relatively simple design of geometry. The constraints are the total areas of the plane and the high conductivity paths. The degrees of freedom are configuration ratios and assembly number. High complexity is not necessarily the best solution and the optimal assembly level (complexity) is 12.

Keywords:power integrity;PCB power plane;constructal theory;spider tree

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