Charles R. Sullivan

Research Interests

Power electronics; electromagnetic design of power electronics components; micro-fabricated magnetic components; nanocomposite magnetic materials; energy efficiency and renewable energy

Education

• BS, Electrical Engineering, Princeton University 1987
• PhD, Electrical Engineering and Computer Sciences, University of California Berkeley 1996

Awards

• Fellow, National Academy of Inventors (NAI), 2022
  
• Outstanding Forum Presenter Award, International Solid-State Circuits Conference (ISSCC), 2021
  
• IEEE PELS Modeling and Control Technical Achievement Award, 2018
• Fellow, IEEE, 2014
• Sigma Xi, 2001
• IEEE Power Electronics Society Prize Paper Award, 2000
• National Science Foundation CAREER Award, 1999

Professional Activities

• Senior Member, National Academy of Inventors
• Member, Institute of Electrical and Electronics Engineers (IEEE)
• Associate Editor, Transactions on Power Electronics
• Administrative Committee, Power Electronics Society
• Awards Chair, Power Electronics Devices and Components Committee, Industry Applications Society
• Member, Magnetics Society
• Member, Industrial Electronics Society

Startups

Research Projects

• Passive high-frequency power components

  Passive high-frequency power components

  Passive high-frequency power components are often the limiting factors in reducing the power loss, size, cost, and weight of high-frequency electronic power converters. Through detailed analysis, modeling, and optimization of high-frequency effects in inductors, transformers, and capacitors, we are improving performance of these components and making it easier to design the efficient, low-cost power electronics needed for a wide range of applications including energy efficiency and renewable energy.

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• Microfabricated magnetic components using nanomaterials

  Microfabricated magnetic components using nanomaterials

  Microfabricated magnetic components using nanomaterials make it possible to miniaturize power-handling magnetic components through taking advantage of the materials' high-flux-density and high-frequency capabilities. We are developing practical methods of depositing these materials and fabricating inductors and transformers on silicon chips or in other technologies.

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Selected Publications

• Kącki, M., Ryłko, M.S., Hayes, J.G., Sullivan, C.R. Analysis and Experimental Investigation of High-Frequency Magnetic Flux Distribution in Mn-Zn Ferrite Cores. IEEE Transactions on Power Electronics, 38(1), 703-716, 2022.
  
• R.S. Yang, A.B. Nadler, C.R. Sullivan and D.J. Perreault, "Permanent Magnet Hybrid Core Inductors for High Saturation Capability," IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), 2022.
• Chen, Minjie, and Charles R. Sullivan. "Unified models for coupled inductors applied to multiphase PWM converters." IEEE Transactions on Power Electronics 36.12: 14155-14174, 2021.
  
• A.L.F. Stein, P.A. Kyaw and C.R. Sullivan, "Wireless Power Transfer Utilizing a High-Q Self-Resonant Structure," IEEE Transactions on Power Electronics, vol. 34, no. 7, pp. 6722-6735, 2019, doi: 10.1109/TPEL.2018.2874878.
  
• P.A. Kyaw, A.L.F. Stein and C.R. Sullivan, "Fundamental Examination of Multiple Potential Passive Component Technologies for Future Power Electronics," IEEE Transactions on Power Electronics, vol. 33, no. 12, pp. 10708-10722, 2018, doi: 10.1109/TPEL.2017.2776609.
  
• C.R. Sullivan, B.A. Reese, A.L.F. Stein and P.A. Kyaw, "On size and magnetics: Why small efficient power inductors are rare," 2016 International Symposium on 3D Power Electronics Integration and Manufacturing (3D-PEIM), pp. 1-23, doi: 10.1109/3DPEIM.2016.7570571.
• A.J. Stratakos, C.R. Sullivan, S.R. Sanders, and R.W. Brodersen. "High-Efficiency Low-Voltage DC-DC Conversion for portable applications," in Low-Voltage/Low-Power Integrated Circuits and Systems: Low-Voltage Mixed-Signal Circuits, Edgar Sanchez-Sinencio and Andreas Andreou, Eds. IEEE Press, 1999.
  
• A.J. Stratakos, C.R. Sullivan, S.R. Sanders. "DC Power Supply Design in Portable Systems," in Low Power Digital CMOS Design, A.P. Chandrakasan and R.W. Brodersen, Kluwer Academic Publishers, Boston, 1995.

Courses

• ENGS 125: Power Electronics and Electromechanical Energy Conversion
• ENGS 173: Energy Utilization
• ENGS 32: Electronics: Introduction to Linear and Digital Circuits
• ENGS 85.12: Electric Energy
• ENGG 199.03: High-Frequency Magnetics Design

Videos

News

Dartmouth Makes List of Top Universities for Patents
Jul 26, 2024

Power Pioneers: Making Tech Cheaper, Smaller, and More Efficient
Jun 02, 2023

Dartmouth Engineering Professor Honored by National Academy of Inventors
Dec 08, 2022

UC San Diego Joins Dartmouth in Industry-University Collaboration to Take Power Electronics to the Next Level
Dec 06, 2021

Two Faculty Named to Endowed Professorships
Aug 02, 2021

Sullivan and Griswold Elected Senior Members of the National Academy of Inventors
Feb 11, 2021

Transforming Power
Aug 01, 2020

New NSF Industry-University Collaborative Research Center at Dartmouth Aims to Transform Power Electronics
Jan 28, 2020

Dartmouth Tiny House No Small Wonder
Nov 26, 2019

Thayer, Irving, US Army to Develop Arctic Energy Systems
Sep 27, 2019

Search Begins for Inaugural Irving Institute Director
Nov 07, 2016

Four Projects Win Support From 'The Pitch'
Nov 20, 2014

Dartmouth Hosts Three Mile Island Symposium
Mar 25, 2014

Professor of Engineering Charles Sullivan Named 2014 IEEE Fellow
Dec 02, 2013

Faculty Selected to Participate in Frontiers of Engineering Education Symposium
Oct 13, 2011

Announcing a new inductor technology
Mar 06, 2011

Dartmouth engineers develop new power line de-icing system
Mar 06, 2011

New De-icing Technology
Mar 04, 2011

2008 Formula Hybrid: The Results
Mar 04, 2011

2008 Formula Hybrid International Competition
Mar 04, 2011

Dartmouth Awarded Clean Energy Technologies Grants
Mar 04, 2011

In the News