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Decoupling Capacitor Selection Algorithm for PDN Based on Deep Reinforcement Learning
Ling Zhang;Zhongyang Zhang;Chenxi Huang;Han Deng;Hank Lin;Bin-Chyi Tseng;James Drewniak;Chulsoon Hwang
2019 IEEE International Symposium on Electromagnetic Compatibility, Signal & Power Integrity (EMC+SIPI)
Year: 2019 | Conference Paper |
Cited by: Papers (28)
Selection of decoupling capacitors (decaps) is important for power distribution network (PDN) design in terms of lowering impedance and saving cost. Good PDN designs typically mean satisfying a target impedance with as less decaps as possible. In this paper, an inductance-based method is utilized to calculate the port priority fist, and afterwards deep reinforcement learning (DRL) with deep neural...Show More
The accuracy of port connections between layers in printed circuit board
Siqi Bai;Chenxi Huang;Albert E. Ruehli;Stephen Scearce;James L. Drewniak
2017 IEEE 26th Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS)
Year: 2017 | Conference Paper |
Cited by: Papers (2)
Port-connected models are widely used in many applications such as printed circuit board models. Much compute time can be saved by using only ports to connect the printed circuit board layers. The accuracy of port connected models is investigated in this paper for the relevant frequency range for PDN applictions. In this short paper, we use a specific three layer structure to study the coupling am...Show More
'Dog-bone' geometry modeling based on PEEC for package PDN
Tuomin Tao;Hanzhi Ma;Chenxi Huang;Ying S. Cao;James L. Drewniak;Erping Li
2017 IEEE Electrical Design of Advanced Packaging and Systems Symposium (EDAPS)
Year: 2017 | Conference Paper |
Dog-bone structure has been widely used in package PDN, yet it has not been thoroughly investigated. In this paper, the associated inductance for the dog-bone structure is studied with the partial element equivalent circuit (PEEC) method and CST. PEEC method is based on the electrical field integral equation (EFIE) and it serves as a bridge between electromagnetic problems and circuit ones. In thi...Show More
Cavity model method based with gradient current distribution along the via for power integrity simulation
Hanzhi Ma;Hanbiao Jin;Sichen Yang;Erping Li;Biyao Zhao;Chenxi Huang;Siqi Bai;Albert Ruehli;James Drewniak
2017 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (EMCSI)
Year: 2017 | Conference Paper |
Cavity model is one of the key computational models for power distribution network simulation. However, the conventional cavity model assumes uniform current distribution along the via and its accuracy is limited to the coupling of close-placed vias. This paper presents an improved cavity model based with gradient current distribution assumption. The loop inductance and surface current distributio...Show More
Power integrity with voltage ripple spectrum decomposition for physics-based design
Chenxi Huang;Biyao Zhao;Ketan Shringarpure;Siqi Bai;Xiang Fang;Tamar Makharashvili;Hanqin Ye;Ying S. Cao;Michael Cracraft;Matteo Cocchini;Samuel Connor;Quinn Gaumer;Stephen Scearce;Bruce Archambeault;Brice Achkir;Erping Li;Lijun Jiang;Albert Ruehli;Jun Fan;James Drewniak
2016 IEEE International Symposium on Electromagnetic Compatibility (EMC)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
A decomposition method for the PCB PDN voltage ripple caused by the IC switching current is developed based on an equivalent circuit model from a cavity model. The decomposition is presented both in frequency domain and time domain. Along with this decomposition approach, a one-to-one correspondence between the voltage ripple and the geometry is revealed. Guidelines to decrease the PCB PDN voltage...Show More
Power integrity with voltage ripple spectrum decomposition for physics-based design
Chenxi Huang;Biyao Zhao;Ketan Shringarpure;Siqi Bai;Xiang Fang;Tamar Makharashvili;Hanqin Ye;Ying S. Cao;Michael Cracraft;Matteo Cocchini;Samuel Connor;Quinn Gaumer;Stephen Scearce;Bruce Archambeault;Brice Achkir;Erping Li;Lijun Jiang;Albert Ruehli;Jun Fan;James Drewniak
Year: 2016 | Conference Paper |
Transient simulation for power integrity using physics based circuit modeling
B. Zhao;C. Huang;K. Shringarpure;S. Bai;T. Makharashvili;Y. S. Cao;B. Achkir;M. Cracraft;M. Cocchini;S. Connor;B. Archambeault;L. Jiang;A. Ruehli;J. Fan;J. Drewniak
2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
A transient simulation analysis is proposed for printed circuit board (PCB) power distribution network (PDN) by using physics based circuit model. The PCB PDN is divided into different blocks. Different modeling methods are used to provide physics-based circuit models for each block. Then, Hspice simulation is used to do transient simulation for the PCB PDN based on the circuit.Show More
Inductance extraction for physics-based modeling of power net area fills with complex shapes and voids using the plane-pair PEEC method
Siqi Bai;Chenxi Huang;Biyao Zhao;Jun Fan;Albert Rueli;James Drewniak;Bruce Archambeault;Samuel Connor;Michael Cracraft;Matteo Cocchini;Brice Achkir
2016 IEEE/ACES International Conference on Wireless Information Technology and Systems (ICWITS) and Applied Computational Electromagnetics (ACES)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
Identifying the dominant inductance in power distribution network design for multi-layer printed circuit boards that use power net area fills is essential. The plane-Pair partial element equivalent circuit method is used herein to extract a lumped inductance suitable for a physics-based circuit model for power net area fills. The method is being applied for evaluating inductance for irregular geom...Show More
Surface current distribution for PCB PDNGeometry
Biyao Zhao;Siqi Bai;Chenxi Huang;Jun Fan;Albert Ruehli;James Drewniak;Hanqin Ye;Erping Li;Brice Achkir;Bruce Archambeault;Samuel Connor;Michael Cracraft;Matteo Cocchini
2015 IEEE Electrical Design of Advanced Packaging and Systems Symposium (EDAPS)
Year: 2015 | Conference Paper |
Cited by: Papers (2)
Surface current distribution provides an intuitive perspective on how the current flows, which is critical for high speed design. The surface current distribution for the power distribution network (PDN) in printed circuit board (PCB) is related to the input impedance observed by the IC looking into the PCB PDN. Two different principle methods are used to describe the current distribution, namely ...Show More
Analytical PDN voltage ripple calculation using simplified equivalent circuit model of PCB PDN
Biyao Zhao;Chenxi Huang;Ketan Shringarpure;Jun Fan;Bruce Archambeault;Brice Achkir;Samuel Connor;Michael Cracraft;Matteo Cocchini;Albert Ruehli;James Drewniak
2015 IEEE Symposium on Electromagnetic Compatibility and Signal Integrity
Year: 2015 | Conference Paper |
Cited by: Papers (16)
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 rep...Show More
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