Education:

University of California, Berkeley, Ph.D. in Electrical Engineering and Computer Sciences, 1996. Minor in Energy and Resources.

Princeton University, B.S. with highest honors, Electrical Engineering, June 1987.

Ph.D. Thesis: Microfabrication of Magnetic Components for High Frequency Power Conversion. Developed a new fabrication process for thin-film transformers and inductors in the Berkeley Microfabrication Laboratory, and developed a design methodology to optimize power handling and efficiency in devices fabricated with this process. Built 8 MHz dc-dc converter test circuit.

ASEE National Effective Teaching Institute, June, 1997.

Engineering and Teaching Experience:

Associate Professor of Engineering, Thayer School of Engineering, Dartmouth College, 2002-present; Assistant Professor 1996-2002.

Graduate Student Instructor, University of California, Berkeley. Developed laboratory equipment and experiments for new undergraduate power electronics class, taught laboratory sections, 1994.

Design and Development Engineer, Lutron Electronics Co., Inc., Coopersburg, PA. Researched and designed a new high-frequency electronic dimming ballast for compact fluorescent lamps. Work included high-frequency magnetics design, resonant power conversion, and design for low cost and manufacturability, 1987-1990.

Power Electronics Group Leader, CalSol, the UC Berkeley Solar-Powered Vehicle Race Team. Designed and built the electrical system of a solar-powered race vehicle, 1991-1993.

Chief Engineer, Princeton Broadcasting Service. Upgraded and maintained broadcast and studio equipment for WPRB, a student-run 17-kilowatt commercial FM broadcasting station, 1984-1987.

Instructional Aide, Princeton Regional Schools. Gave lectures and led laboratories for high school physics class, 1985-1986.

Awards:

Sigma Xi, 2001

IEEE Power Electronics Society Prize Paper Award, 2000

NSF CAREER Award, 1999

Ross N. Tucker AIME Electronics Materials Award, 1995.

National Science Foundation Graduate Fellowship, 1990-1993.

Princeton University G. David Forney, Jr. Prize in electrical engineering, 1987.

Phi Beta Kappa, 1987.

Tau Beta Pi, 1985.

Princeton University Manfred Pyka Memorial Physics Prize, 1984.

Professional Activities:

Memberships and offices:
Institute of Electrical and Electronics Engineers (IEEE):

Associate Editor, Transactions on Power Electronics

Power Electronics Society
(Member at Large, Administrative Committee),

Industry Applications Society
(Awards Chair, Power Electronics Devices and Components Committee)

Magnetics Society, Industrial Electronics Society,

Social Implications of Technology Society, Power Engineering Society.

Consulting: Volterra and Synergy Innovations Inc.

Publications:

Journal Articles

Jiankun Hu, C.R. Sullivan. "AC Resistance of Planar Power Inductors and the Quasidistributed Gap Technique." IEEE Transactions on Power Electronics 16(4), July 2001, pp. 558 -567.

C.R. Sullivan. "Cost-Constrained Selection of Strand Wire and Number in a Litz-Wire Transformer Winding." IEEE Transactions on Power Electronics 16(2), March 2001, pp. 281-288.

C.R. Sullivan "Computationally Efficient Winding Loss Calculation with Multiple Windings, Arbitrary Waveforms, and Two- or Three-Dimensional Field Geometry." IEEE Transactions on Power Electronics 16(1), January 2001, pp. 142 -150.

K.D. Coonley, G.J. Mehas, C.R. Sullivan, U.J. Gibson. "Evaporatively Deposited Co-MgF₂ Granular Materials for Thin-Film Inductors." IEEE Transactions on Magnetics, 36(5), September 2000, pp. 3463-3465.

C.R. Sullivan. "Optimal Choice for Number of Strands in a Litz-Wire Transformer Winding." IEEE Transactions on Power Electronics, 14(2), March 1999, pp. 283-291.

L. Daniel, C.R. Sullivan and S.R. Sanders. "Design of Microfabricated Inductors," IEEE Transactions on Power Electronics, 14(4), July 1999, pp. 709-723.

H. Hofmann, S.R. Sanders, and C.R. Sullivan. "Stator-Flux-Based Vector Control of Induction Machines in Magnetic Saturation," IEEE Transactions on Industry Applications, 33(4), July/August 1997. pp. 935-42.

C.R. Sullivan, S.R. Sanders. "A Soft-Switched Constant-Frequency Square-Wave Half-Bridge DC-DC Converter." IEEE Transactions on Aerospace and Electronic Systems, 33(2), pp. 456-463, April 1997.

C.R. Sullivan, S.R. Sanders. "Design of Microfabricated Transformers and Inductors for High Frequency Power Conversion." IEEE Transactions on Power Electronics, March 1996, vol. 11, no. 2, pp. 228-38.

C.R. Sullivan, C. Kao, B. Acker, and S.R. Sanders. "Control Systems for Induction Machines with Magnetic Saturation." IEEE Transactions on Industrial Electronics, Feb. 1996, vol. 43, no. 1, pp. 142-52.

C.R. Sullivan, S.R. Sanders. "Models for Induction Machines With Magnetic Saturation of the Main Flux Path." IEEE Transactions on Industry Applications, July-Aug. 1995, vol. 31, no. 4, pp. 907-17.

C.R. Sullivan. "Extending the Karplus-Strong Algorithm to Synthesize Electric Guitar Timbres with Distortion and Feedback." Computer Music J., Vol. 14, No. 3, 1990, pp. 26-37.

Refereed Conference Proceedings

Xi Nan and C. R. Sullivan, “An Improved Calculation of Proximity-Effect Loss in High-Frequency Windings of Round Conductors.” IEEE Power Electronics Specialists Conference, June 2003.

Xu Tang and C.R. Sullivan. “Stranded Wire With Uninsulated Strands as a Low-Cost Alternative to Litz Wire.” IEEE Power Electronics Specialists Conference, June 2003.

C.R. Sullivan. “Three-Dimensional Animations of Power-Electronics Circuits Visualize Voltage and Current.” IEEE Power Electronics Specialists Conference, June 2003.

R. Jensen and C. R. Sullivan, “Optimal Core Dimensional Ratios for Minimizing Winding Loss in High-Frequency Gapped-Inductor Windings,” IEEE Applied Power Electronics Conference, Feb. 2003, pp. 1164 -1169.

J. Pollock, T. Abdallah and C. R. Sullivan, “Easy-To-Use CAD Tools for Litz-Wire Winding Optimization,” IEEE Applied Power Electronics Conference, Feb. 2003, pp. 1157 -1163.

S. Prabhakaran and C.R. Sullivan. “Impedance-Analyzer Measurement of High-Frequency Power Passives: Techniques for High Power and Low Impedance.” IEEE Industry Applications Society Annual Meeting, Pittsburgh, Oct. 2002, pp. 1360 -1367.

C.R. Sullivan and A.M. Kern. "Improved Distributed Model for Capacitors in High-Performance Packages.” IEEE Industry Applications Society Annual Meeting, Pittsburgh, Oct. 2002, pp. 969 -976.

K. Venkatachalam, C.R. Sullivan, T. Abdallah, and H. Tacca. “Accurate Prediction of Ferrite Core Loss with Nonsinusoidal Waveforms Using Only Steinmetz Parameters.” IEEE Workshop on Computers in Power Electronics, Mayaguez, Puerto Rico, June 2002.

S. Prabhakaran, C.R.Sullivan, C.G.Levey, and K. Venkatachalam. “Fabrication of Thin Film V-Groove Inductors using Composite Magnetic Materials.” IMAPS Advanced Technology Workshop (ATW) on Passive Integration, Ogunquit, Maine, June 2002.

C.R. Sullivan. “Three Dimensional Circuit Animation Visualizes Voltage.” ASEE 2002 Annual Conference, Montreal, June 2002.

Jieli Li and C.R. Sullivan. “Coupled Inductor Design Optimization for Fast-Response Low-Voltage DC-DC Converters.” IEEE Applied Power Electronics Conference, Dallas, March 2002.

A.F. Hoke and C.R. Sullivan. “An Improved Two-Dimensional Numerical Modeling Method for E-Core Transformers.” IEEE Applied Power Electronics Conference, Dallas, March 2002.

Jieli Li, T. Abdallah, C.R. Sullivan. "Improved Calculation of Core Loss With Nonsinusoidal Waveforms." IEEE Industry Applications Society Annual Meeting, Oct. 2001, Chicago, pp. 2203-2210.

J.D. McCurdy, C.R. Sullivan, V.F. Petrenko. "Using Dielectric Losses to De-Ice Power Transmission Lines with 100 kHz High-Voltage Excitation." IEEE Industry Applications Society Annual Meeting, Oct. 2001, Chicago, pp. 2515-2519.

C.R. Sullivan, A.M. Kern. "Capacitors with Fast Switching Require Distributed Models." IEEE Power Electronics Specialists Conference, Vancouver, BC, June 2001.

C.R. Sullivan, J.D. McCurdy, R.A. Jensen. "Analysis of Minimum Cost in Shape-Optimized Litz-Wire Inductor Windings." IEEE Power Electronics Specialists Conference, Vancouver, BC, June 2001.

C.R. Sullivan, T. Abdallah, and T. Fujiwara. "Optimization of a Flyback Transformer Winding Considering Two-Dimensional Field Effects, Cost and Loss." IEEE Applied Power Electronics Conference, Anaheim, CA, March 2001.

S. Prabhakaran, D.E. Kreider, Yu Lin, C.R. Sullivan. "Fabrication of Thin-Film V-Groove Inductors Using Composite Magnetic Materials." IEEE International Workshop on Integrated Power Packaging, Waltham, MA, July 2000, pp. 102-5.

G.J. Mehas, K.D. Coonley, and C.R. Sullivan. "Converter and Inductor Design for Fast-Response Microprocessor Power Delivery." IEEE Power Electronics Specialists Conference, June 2000, Galway, Ireland, pp. 1621-1626.

C.R. Sullivan, "Winding Loss Calculation with Multiple Windings, Arbitrary Waveforms and Two-Dimensional Field Geometry." IEEE Industry Applications Society Annual Meeting, Oct. 1999, Phoenix, pp. 2093-2099.

Jiankun Hu and C.R. Sullivan, "Analytical Method for Generalization of Numerically Optimized Inductor Winding Shapes." IEEE Power Electronics Specialists Conference, June 1999, Charleston, pp. 568-573.

G.J. Mehas, K.D. Coonley, and C.R. Sullivan. "Design of Microfabricated Inductors for Microprocessor Power Delivery". IEEE Applied Power Electronics Conference, March 1999, Dallas, pp. 1181-1187.

C.R. Sullivan. "Cost-Constrained Selection of Strand Wire and Number in a Litz-Wire Transformer Winding." IEEE Industry Applications Society Annual Meeting, Oct. 1998, St. Louis, pp. 900-906.

Jiankun Hu and C.R. Sullivan. "Optimization of Shapes for Round Wire, High Frequency Gapped Inductor Windings." IEEE Industry Applications Society Annual Meeting, Oct. 1998, St. Louis, pp. 907-911.

Jiankun Hu and C.R. Sullivan. "The Quasi-Distributed Gap Technique for Planar Inductors—Design Guidelines." IEEE Industry Applications Society Annual Meeting, Oct. 1997, New Orleans. Vol. 2, pp. 1147-1152.

C.R. Sullivan. "Optimal Choice for Number of Strands in a Litz-Wire Transformer Winding." Plenary presentation, IEEE Power Electronics Specialists Conference, June 1997, St. Louis, pp. 28-35.

C.R. Sullivan and S.R. Sanders. "Measured Performance of a High-Power-Density Microfabricated Transformer in a DC-DC Converter." IEEE Power Electronics Specialists Conference, June 1996, Baveno, Italy, pp. 287-294.

L. Daniel, C.R. Sullivan and S.R. Sanders. "Design of Microfabricated Inductors." IEEE Power Electronics Specialists Conference, June 1996, Baveno, Italy, pp. 1447-1455.

H. Hofmann, S.R. Sanders, and C.R. Sullivan. "Stator-Flux-Based Vector Control of Induction Machines in Magnetic Saturation." IEEE Industry Applications Society Annual Meeting, October 1995, pp. 152-158.

C.R. Sullivan and S.R. Sanders. "Microfabrication Process for High-Frequency Power-Conversion Transformers." IEEE Power Electronics Specialists Conference, June 1995, Atlanta, pp. 658-664.

B. Acker, C.R. Sullivan, and S.R. Sanders. "Synchronous Rectification with Adaptive Timing Control." IEEE Power Electronics Specialists Conference, June 1995, Atlanta, pp. 88-95.

C. Kao, C.R. Sullivan, B. Acker, and S.R. Sanders. "Induction Machine Control Systems with Magnetic Saturation." IEEE Power Electronics Specialists Conference, June 1994, Taipei, Taiwan, pp. 250-258.

C.R. Sullivan "Energy Use: The Most Important Environmental Impact of Electronic Equipment?" IEEE International Symposium on Electronics and the Environment, May 1994, San Francisco, pp. 261-266.

B. Acker, C.R. Sullivan, and S.R. Sanders. "Current-Controlled Synchronous Rectification." IEEE Applied Power Electronics Conference, Feb. 1994, Orlando, pp. 185-191.

C.R. Sullivan and A. C. Drescher. "Influence of On-Time and Use-Frequency on Cost-Effectiveness of Compact Fluorescent Lamps." IEEE Industry Applications Society Annual Meeting, October 1993, Toronto, pp. 2283-2290.

C.R. Sullivan and S.R. Sanders. "Microfabrication of Transformers and Inductors for High Frequency Power Conversion." Plenary Presentation, IEEE Power Electronics Specialists Conference, June 1993, Seattle, pp. 33-40.

C.R. Sullivan, S.R. Sanders. "A Soft-Switched Constant-Frequency Square-Wave Half-Bridge DC-DC Converter." IEEE Power Electronics Specialists Conference, June 1993, Seattle, pp. 158-166.

C.R. Sullivan and M. J. Powers. "A High-Efficiency Maximum Power Point Tracker for Photovoltaic Arrays in a Solar-Powered Race Vehicle." IEEE Power Electronics Specialists Conference, June 1993, Seattle, pp. 574-580.

C.R. Sullivan and S.R. Sanders. "Models for Induction Machines with Magnetic Saturation of the Main Flux Path." IEEE Industry Applications Society Annual Meeting, October 1992, Houston, pp. 123-131.

C.R. Sullivan and S.R. Sanders. "Modeling the Effects of Magnetic Saturation on Electrical Machine Control Systems." IFAC Nonlinear Control Systems Design Symposium, June 1992, Bordeaux, pp. 69-76.

Invited Presentations

P. Dhagat, S. Prabhakaran, C. R. Sullivan, and Yuqin Sun, “Thin-Film Inductor Designs and Materials for High-Current Low-Voltage Power,” 2nd International Symposium on High-Frequency Micromagnetic Devices and Materials, April 2003.

"Materials, Modeling and Microfabrication of Inductors and Capacitors for High-Speed, High-Current Power Delivery," Intel Research Council Powerwall Forum, August, 2001.

"Power Line Deicing,"ARO Ice Physics Research Seminar, Thayer School, March 8, 2001.

"Advanced Designs and Materials for Microfabricated Inductors in Microprocessor Power Delivery," Intel Research Council Powerwall Forum, August, 1999.

"Applications of granular metal-nonmetal materials in microfabricated 5-10 MHz power inductors," Conference on Properties and Application of Magnetic Materials, April 1999, Chicago.

"Power and RF Micro Inductors for Mobile Systems," Intel Research Council University Forum IA 2005 Mobile PC Forum. Dec., 1997.

"Micro Magnetics for Powering Mobile Systems," Intel Research Council University Forum Power Wall: Providing Power to Voracious PCs. Sept., 1997.

Other Conference Presentations

Yu Lin, C. R. Sullivan, C. G. Levey and U. J. Gibson, “Effect of Evaporative Deposition Angle on Anisotropy in Co-MgF2 Nanocomposite Soft Magnetic Materials." IEEE International Magnetics Conference (Intermag), April 2003.

S. Prabhakaran, C. R Sullivan, and K. Venkatachalam, “Measured Electrical Performance of V-Groove Inductors for Microprocessor Power Delivery.” IEEE International Magnetics Conference (Intermag), April 2003.

C.R. Sullivan and Yuqin Sun, “Using Distributed Models of Inductive Effects in Multilayer Ceramic Capacitors to Design for Fast Response.” Intel Technology Symposium, August 2002.

K. D. Coonley, G.J. Mehas, C.R. Sullivan, U.J. Gibson. "Evaporatively Deposited Co-MgF₂ Granular Materials for Thin-Film Inductors." IEEE International Magnetics Conference (Intermag), April 2000.

Patents

A.M. Schultz and C.R. Sullivan, "Voltage converter with coupled inductive windings, and associated methods." U.S. Patent No. 6,362,986, 2002.

A.J. Burstein, D.B. Lidsky, A.J. Stratakos, C.R. Sullivan, and W. Clark. “Digital Voltage Regulator Using Current Control.” U.S. Patent No. 6,268,716, 2001.

C.R. Sullivan, S.R. Jurell, and D.G. Luchaco. "Circuit for Dimming Compact Fluorescent Lamps." U.S. Patent No. 5,173,643, 1993.

C.R. Sullivan, J.S. Spira, D.G. Luchaco, and S.R. Jurell, and E.R. Motto. "Circuit and Method for Improved Dimming of Gas Discharge Lamps." U.S. Patent No. 5,041,763, 1992.

C.R. Sullivan, S.R. Jurell, and D.G. Luchaco. "Circuit for Dimming Gas Discharge Lamps Without Introducing Striations." U.S. Patent No. 5,001,386, 1992.

Other publications: Books and Reports

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, and R.W. Brodersen. "DC Power Supply Design in Portable Systems," Electronics Research Laboratory Memorandum No. UCB/ERL M95/4, College of Engineering, University of California at Berkeley. April 1995.

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.