Analytical PDN voltage ripple calculation using simplified equivalent circuit model of PCB PDN

Author

Biyao Zhao ; Chenxi Huang ; Shringarpure, Ketan ; Jun Fan ; Archambeault, Bruce ; Achkir, Brice ; Connor, Samuel ; Cracraft, Michael ; Cocchini, Matteo ; Ruehli, Albert ; Drewniak, James

Author_Institution

EMC Lab., Missouri Univ. of Sci. & Technol., Rolla, MO, USA

fYear

2015

fDate

15-21 March 2015

Firstpage

133

Lastpage

138

Abstract

Printed circuit board (PCB) power distribution network (PDN) design performance depends on the peak voltage ripple caused by the integrated circuit (IC) switching currents. The input impedance seen by the IC looking into the PCB PDN can be calculated using a physics-based circuit model extracted from the cavity model approach. The input impedance is fitted to a simplified circuit model used to represent the PCB PDN. Using a switching current profile, the frequency domain noise voltage is found and transformed to the time domain ripple waveform which can then be used to evaluate the PDN design performance.

Keywords

distribution networks; equivalent circuits; integrated circuit design; printed circuit design; switching circuits; PCB PDN; PDN voltage ripple calculation; equivalent circuit model; input impedance; integrated circuit switching currents; noise voltage; peak voltage ripple; physics-based circuit model; printed circuit board power distribution network design; switching current profile; Cavity resonators; Equivalent circuits; Frequency-domain analysis; Impedance; Integrated circuit modeling; Resonant frequency; PDN noise; Power distribution network design; equivalent circuit; switch current; voltage ripple;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility and Signal Integrity, 2015 IEEE Symposium on

Conference_Location

Santa Clara, CA

Print_ISBN

978-1-4799-1992-5

Type

conf

DOI

10.1109/EMCSI.2015.7107673

Filename

7107673