Arthur W. Kelley, Ph.D.
`2033 Weston Green Loop
`Cary, NC 27513
`U.S.A.
`awk@awkconsult.com
`Cell: (919) 349-2580
`Power electronics professional with over thirty-five years experience covering an exceptionally wide range
`of applications and technologies in academic, industry and intellectual property settings.
`
`Expertise
`Power supplies, power electronics, magnetics, power quality and power management integrated circuits.
`Dc-to-dc converter topologies including forward, flyback, full-bridge, push-pull, buck, boost, buck/boost
`and SEPIC; synchronous rectifiers.
`Application of discrete power semiconductor devices including gate drives.
`Design for production of high-performance power management integrated circuits.
`Magnetics (60-Hz and high-frequency switching) including magnetic materials and saturable magnetic
`devices (mag amps and ferroresonant transformers).
`Experience in terrestrial, marine and aircraft power systems.
`Recent power supply application areas include: Ac power supplies for consumer electronics, LED lighting,
`medical implants, line-interfaced photovoltaics, hybrid power air vehicle, connectorless or non-contact
`power and transmission level power flow control.
`
`Laboratory test facilities
`Agilent 4395A Network/Impedance/Spectrum Analyzer (10 Hz to 500 MHz)
`Tektronix TDS 3034C Digital Oscilloscope (300 MHz, 2.5 GS/s)
`Chroma 61502 Programmable Ac Power Source (up to 250 Vrms, 15 Hz to 1kHz, 1 kVA)
`AE Techron 7224 Single-Channel Industrial Amplifier (dc to 300 kHz, 1 kW)
`Agilent/HP 34401A Digital Multimeter (3)
`Transistor Devices 50-60-1000A Electronic Load
`Tektronix P5205A 100 MHz High Voltage Differential Probe
`Tektronix TCP202 Current Probe
`ESD Laboratory Bench and associated ESD control
`Microscope, current sensors, thermocouple, etc.
`
`Status
`U.S. Citizen, previous security clearance Top Secret
`
`Experience (reverse chronological order)
`
`Current, Independent Consultant
`Consulting research, design and analysis services for
`
`Smart Wires, Inc., Union City, CA (headquarters San Francisco, CA). Transformer based power
`electronic product for improved utilization of electric power system transmission grid.
`
`Expert witness for Power Integrations, Inc. (PI) represented by Fish & Richardson, Redwood City, CA in
`Petition for possible Inter Partes Review of U.S. Patent No. 6,107,851 vs. On Semiconductor (acquired
`Fairchild Semiconductor).
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`PI 2016
`ON Semiconductor v Power Integrations
`IPR2016-01600
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`September 2007 to recent past, Independent Consultant
`Expert witness for Power Integrations, Inc. (PI) represented by Fish & Richardson, Redwood City, CA in
`Petition for Inter Partes Review of U.S. Patent No. 6,212,079 vs. Silver Star Capital, LLC.
`Expert witness for Power Integrations, Inc. (PI) represented by Fish & Richardson, Redwood City, CA in
`Civil Action No: C 09-5235 MMC, Power Integrations, Inc. vs. Fairchild Semiconductor International,
`Inc., Fairchild Semiconductor Corporation and System General Corporation. Trial took place in
`December 2015. Work included preparation of declaration, supplemental declaration, deposition and
`trial testimony.
`U.S. patent to PI 6,212,079 Method and Apparatus for Improving Efficiency in a Switching Regulator at Light Loads
`U.S. patent to PI 6,538,908 Method and Apparatus for Providing a Multi-function Terminal for a Power Supply Controller
`Expert witness for Power Integrations, Inc. (PI) represented by Fish & Richardson, Redwood City, CA in
`Civil Action No: C 12-540-LPS Fairchild Semiconductor International, Inc., Fairchild Semiconductor
`Corporation and System General Corporation (FCS) vs. Power Integrations, Inc. Trial took place in
`May/June 2014. Work included preparation of declaration, supplemental declaration, deposition and
`trial testimony.
`U.S. patent to PI 7,952,895 Method and Apparatus for Implementing Dormant Mode in a Power Converter
`U.S. patent to PI 7,995,359 Method and Apparatus for Implementing an Unregulated Dormant Mode with an Event Counter in a
`Power Converter
`U.S. patent to PI 8,115,457 Method and Apparatus for Implementing a Power Converter Input Terminal Voltage Discharge
`Circuit
`U.S. patent to PI 6,229,366 Off-Line Converter with Integrated Softstart and Frequency Jitter
`U.S. patent to FCS 7,259,972 Primary-Side-Control Power Converter Having a Switching Controller Using Frequency Hopping
`and Voltage and Current Control Loops
`Expert witness for Terumo Cardiovascular Systems Corporation represented by Fish & Richardson,
`Minneapolis, MN in Civil Action No: 4:13-CV-03281 and in Inter Partes Review IPR2015-00263,
`Terumo Cardiovascular Systems Corporation, Inc. vs. Sheilah D. King and Allen Paige King including
`preparation of declaration. Case settled before reaching depositions.
`U.S. patent to King 6,423,268 Blood Heating System with Mutually Exclusive Relay-Controlled Heat Exchangers
`Consulting research, design and analysis services for
`Logos Technologies, Alexandria, VA. Supporting Raleigh NC site. Architect hybrid electric
`propulsion system for a powered parafoil.
`Adjunct Associate Professor, North Carolina State University – in conjunction with the Future Renewable
`Electric Energy Delivery Management (FREEDM) Systems Center, A National Science Foundation
`Engineering Research Center. Taught classes in power electronics.
`Consulting research, design and analysis services for
`Rambus, Inc., Chapel Hill, NC. Supporting LED Lighting Division, Brecksville, OH. Technology
`research, trade study and down selection of power supply architecture for LED lighting.
`Expert witness for Power Integrations, Inc. represented by Fish & Richardson in Civil Action No: 08-309-
`JJF-LPS, Power Integrations, Inc. (PI) vs. Fairchild Semiconductor International, Inc., Fairchild
`Semiconductor Corporation and System General Corporation (FCS), Trial took place in April 2012.
`Work included preparation of declaration, supplemental declaration, deposition and trial testimony.
`U.S. Patent to PI 6,107,851 Offline Converter with Integrated Softstart and Frequency Jitter
`U.S. Patent to PI 6,249,876 Frequency Jittering Control for Varying the Switching Frequency of a Power Supply
`U.S. Patent to PI 7,110,270 Method and Apparatus for Marinating a Constant Load Current with Line Voltage in a Switch Mode
`Power Supply
`U.S. Patent to PI 7,834,605 Method and Apparatus for Maintaining a Constant load Current with Line Voltage in a Switch Mode
`Power Supply
`U.S. Patent to FCS 7,259,972 Primary-Side-Control Power Converter Having a Switching Controller Using Frequency Hopping
`and Voltage and Current Control Loops
`U.S. Patent to FCS 7,352,595 Primary-Side Controlled Switching Regulator
`Expert witness for Ericsson, Inc. represented by McKool Smith, Washington, DC and Austin, TX in Civil
`Action No. 2:11-CV-054-TJW-CE, SynQor, Inc. v. Ericsson, Inc. including preparation of declaration,
`supplemental declaration and deposition in response to Motion for Preliminary Injunction. Parties
`settled in advance of ruling.
`U.S. Patent to SynQor 7,072,190 High Efficiency Power Converter
`U.S. Patent to SynQor 7,272,021 Power converter with isolated and regulated stages
`U.S. Patent to SynQor 7,558,083 High Efficiency Power Converter
`U.S. Patent to SynQor 7,564,702 High Efficiency Power Converter
`U.S. Patent to SynQor 7,269,034 High Efficiency Power Converter
`Consulting research, design and analysis services for
`Innerpulse, Inc., Research Triangle Park, NC. Power supply for intravascular implantable defibrillator.
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`SolarBridge Technologies, Austin, TX. Transformer and power electronics design for grid-connected
`photovoltaics (formerly SmartSpark Energy Systems, Champaign, IL, now part of Sunpower, San
`Jose, CA)
`Oriel Therapeutics, Durham, NC. Power supply for vibrating inhaler for administration of asthma
`medication.
`Access Business Group, Ada, MI. Magnetically coupled connectorless power and communications for
`portable devices. One U.S. Patent issued.
`
`November 2000 to September 2007, Senior Design Engineer
`Linear Technology Corporation, Raleigh Design Center, Cary, NC (Headquarters Milpitas, CA)
`Principal responsibility is design of high-performance analog integrated circuits for power management. At
`Linear “Senior Design Engineer” is essentially a Product Technical Lead whose responsibilities, in
`addition to design, include aspects of product definition, layout, manufacture, debug, ESD, functional
`test, life test, characterization, correlation, applications and datasheet. I designed the LTC3705/25 half of
`the LTC3705/25/06/26 innovative chipset in the then newest BiCMOS process. Design was completely
`from scratch (rare). Subsequently designed LTC3805 and LTC3805-5 flyback controller in CMOS.
`One U.S. Patent issued.
`
`July 1993 to June 2001, Associate Professor (with tenure)
`July 1987 to June 1993, Assistant Professor (tenure track)
`North Carolina State University
`Department of Electrical and Computer Engineering, Raleigh, NC
`Developed funded research program including power electronics, power semiconductor devices, magnetics,
`power quality, power systems, motor drives and motors.
`Funding from US Navy ONR Power Electronic Building Block (PEBB) program, electric utilities, power
`equipment manufacturers, and semiconductor manufacturers.
`Of special note: developed several instruments including a calorimeter for measuring magnetic core loss, an
`impedance analyzer for energized power lines and instruments for semiconductor characterization.
`Supervised numerous Graduate Research Assistants to the completion of their degrees.
`Developed and taught undergraduate and graduate classes in power electronics.
`Six U.S. Patents issued.
`
`Consulting (while at NCSU)
`Expert witness for insurance companies in two electronic product-failure litigations
`(one a boat fire and the other gasoline spill)
`Technical consultant to Diamond Microelectronics Corporation
`(innovative diamond-based power-electronic devices).
`Numerous other short-term technical consulting activities.
`January 1985 to July 1987, Senior Engineer
`Sundstrand Corporation (subsequently Hamilton-Sundstrand, now UTC Aerospace Systems), Rockford, IL
`Aerospace applications of power electronics including commercial aircraft, military aircraft and spacecraft.
`(Top Secret security clearance)
`One U.S. Patent issued.
`
`Education
`B.S., Electrical Engineering, Duke University 1979, summa cum laude, Phi Beta Kappa.
`M.S. and Ph.D., Electrical Engineering Duke University 1981 and 1984, respectively.
`James B. Duke Fellow
`
`Service to the Profession
`Editor in Chief, Newsletter, IEEE Power Electronics Society 2009 to 2012
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`Editor in Chief, IEEE Transactions on Power Electronics 2000-2001-2002
`(the premier journal in my field)
`Program Chair, Power Electronics Specialists Conference 1997
`Recipient of 2003 IEEE Power Electronics Society Service Award
`Numerous other volunteer positions with the IEEE Power Electronics Society
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`Publications
`Kelley, A., Cavaroc, J., Ledford, J., Vassalli, L., Voltage Regulator For Contactor Ridethrough, IEEE
`Transactions on Industry Applications, Volume 36, Issue 2, March-April 2000, pp. 697 – 704.
`Kelley, A.W., Edwards, S.W., Rhode, J.P., Baran, M.E., Transformer Derating For Harmonic Currents: A
`Wide-Band Measurement Approach For Energized Transformers, IEEE Transactions on Industry
`Applications, Volume 35, Issue 6, Nov.-Dec. 1999, pp. 1450 – 1457.
`Baran, M.E., Maclaga, J., Kelley, A.W., Craven, K., Effects Of Power Disturbances On Computer Systems,
`IEEE Transactions on Power Delivery, Volume 13, Issue 4, Oct. 1998, pp. 1309 – 1315.
`Baran, M.E., Jinxiang Zhu, Kelley, A.W., Meter Placement For Real-Time Monitoring Of Distribution
`Feeders, IEEE Transactions on Power Systems, Volume 11, Issue 1, Feb. 1996 pp. 332 – 337.
`Baran, M.E., Kelley, A.W., A Branch-Current-Based State Estimation Method For Distribution Systems,
`IEEE Transactions on Power Systems, Volume 10, Issue 1, Feb. 1995, pp. 483 – 491.
`Jungreis, A.M., Kelley, A.W., Adjustable Speed Drive For Residential Applications, IEEE Transactions on
`Industry Applications, Volume 31, Issue 6, Nov.-Dec. 1995, pp. 1315 – 1322.
`Baran, M.E., Kelley, A.W., State Estimation For Real-Time Monitoring Of Distribution Systems, IEEE
`Transactions on Power Systems, Volume 9, Issue 3, Aug. 1994, pp. 1601 – 1609.
`Kelley, A.W., Wilson, T.G., Owen, H.A., Jr., Analysis Of The Ferroresonant Transformer With A Rectified
`Output In The Low-Line-Voltage Minimum-Line-Frequency Full-Load Condition, IEEE Transactions on
`Power Electronics, Volume 9, Issue 3, May 1994, pp. 318 – 327.
`Kelley, A.W., Yadusky, W.F., Rectifier For Minimum Line-Current Harmonics And Maximum Power
`Factor, IEEE Transactions on Power Electronics, Volume 7, Issue 2, April 1992, pp. 332 – 341.
`Kelley, A.W., Measurement Of Spacecraft Power Transformer Acoustic Noise, IEEE Transactions on
`Magnetics, Volume 26, Issue 1, Jan 1990, pp. 281 – 289.
`Kelley, A.W., Owens, W.R., Connectorless Power Supply For An Aircraft-Passenger Entertainment
`System, IEEE Transactions on Power Electronics, Volume 4, Issue 3, July 1989, pp. 348 – 354.
`Baran, M., Mahajan, N.R., Kelley, A.W., Grainger, J.J., A Distribution System Simulator For Protection
`And Control, 2001 IEEE/PES Transmission and Distribution Conference and Exposition, Volume 1, 28
`Oct.-2 Nov. 2001 pp. 307 – 310, vol.1.
`Linkous, R., Kelley, A.W., Armstrong, K.C., An Improved Calorimeter For Measuring The Core Loss Of
`Magnetic Materials, 2000 IEEE Applied Power Electronics Conference and Exposition, Volume 2, 6-10
`Feb. 2000, pp. 633 – 639.
`Jones, M., Kelley, A.W., Wideband Circuit Model For Busbar Impedance, 2000 IEEE Applied Power
`Electronics Conference and Exposition, Volume 2, 6-10 Feb. 2000 Page(s):839 – 845.
`Baran, M.E., Tocharoenchai, W., Craven, K., Kelley, A.W., Effects Of Power Supply Surges On Personal
`Computers, 2000 IEEE Industrial and Commercial Power Systems Technical Conference, 7-11 May
`2000, pp. 141 – 146.
`Kelley, A., Cavaroc, J., Ledford, J., Vassalli, L., Voltage Regulator For Contactor Ridethrough, 1999
`IEEE.Industrial and Commercial Power Systems Technical Conference, 2-6 May 1999.
`Kelley, A., Harris, M., Cavaroc, J., Jones, M., Linkous, R., Hartzell, D., Darch, D., Bus Connector For
`Coordinated Interconnect: Laboratory Measurement And Finite Element Simulation, 1999 IEEE Applied
`Power Electronics Conference and Exposition, 14-18 March 1999, pp. 325 – 331.
`Kelley, A., Harris, M., Hartzell, D., Darcy, D., Coordinated Interconnect: A Philosophical Change In The
`Design And Construction Of Power Electronic Converters, The 1998 IEEE Industry Applications
`Conference, 12-15 Oct. 1998, pp. 1105 – 1110.
`Rhode, J.P., Kelley, A.W., Baran, M.E., Complete Characterization Of Utilization-Voltage Power System
`Impedance Using Wideband Measurement, 1996 IEEE Industrial and Commercial Power Systems
`Technical Conference, 6-9 May 1996, pp. 123 – 130.
`Jungreis, A.M., Kelley, A.W., The Axial Air Gap Wobble Motor-An Appropriate Topology For Magnetic
`Micromotors, 1995 IEEE Industry Applications Conference, 8-12 Oct. 1995, pp. 781 – 788.
`Rhode, J.P., Kelley, A.W., Baran, M.E., Line Impedance Measurement: A Nondisruptive Wideband
`Technique, 1995 IEEE Industry Applications Conference, 8-12 Oct. 1995, pp. 2233 – 2240.
`Kelley, A.W., Wilson, J.M., Rhode, J.P., Baran, M., On-Line Wideband Measurement Of Induction Motor
`Impedance, 1995 IEEE Industry Applications Conference, 8-12 Oct. 1995, pp. 647 – 654.
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`Kelley, A.W., Edwards, S.W., Rhode, J.P., Baran, M., Transformer Derating For Harmonic Currents: A
`Wideband Measurement Approach For Energized Transformers, 1995 IEEE Industry Applications
`Conference, 8-12 Oct. 1995, pp. 840 – 847.
`Baran, M.E., Jinxiang Zhu, Kelley, A.W., Meter Placement For Real-Time Monitoring Of Distribution
`Feeders, 1995 IEEE Power Industry Computer Application Conference, Conference Proceedings, 7-12
`May 1995 pp. 228 – 233.
`Jungreis, A.M., Kelley, A.W., Simplified Adjustable Speed Drive For Residential Applications, 1994 IEEE
`Industry Applications Society Annual Meeting, 2-6 Oct. 1994, pp. 530 – 537.
`Iwamuro, N., Baliga, B.J., Kurlagunda, R., Mann, G., Kelley, A.W., Comparison Of RBSOA Of ESTs
`With IGBTs And MCTs, 6th International Symposium on Power Semiconductor Devices and ICs, 31
`May-2 June 1994, pp. 195 – 200.
`Harris, M.B., Kelley, A.W., Rhode, J.P., Baran, M.E., Instrumentation For Measurement Of Line
`Impedance, 1994 IEEE Applied Power Electronics Conference and Exposition, 13-17 Feb. 1994, pp. 887
`– 893.
`Nance, J.L., Ramadurai, B., Kelley, A.W., Interactive Analysis And Design Program For Phase-Controlled
`Rectifiers Operating In The Closed-Loop Periodic-Steady-State And Transient Conditions, 1993 IEEE
`Applied Power Electronics Conference and Exposition, 7-11 March 1993, pp. 873 – 879.
`Hallouda, M.A., Kelley, A.W., Adjustable Speed Drive For Residential Applications, 1993 IEEE Power
`Electronics Specialists Conference, 20-24 June 1993 pp. 928 – 934.
`Kelley, A.W., Titus, J.E., Dc Current Sensor For PWM Converters, 1991 IEEE Power Electronics
`Specialists Conference, 24-27 June 1991, pp. 641 – 650.
`Kelley, A.W., Nance, J.L., Moore, M.D., Interactive Analysis And Design Program For Phase-Controlled
`Rectifiers, 1991 IEEE Applied Power Electronics Conference and Exposition, 10-15 March 1991, pp.
`271 – 277.
`Kelley, A.W., Hallouda, M.A., Moore, M.D., Nance, J.L., Near-Unity-Power-Factor Single-Phase Ac-To-
`Dc Converter Using A Phase-Controlled Rectifier, 1991 IEEE Applied Power Electronics Conference
`and Exposition, 10-15 March 1991, pp. 387 – 392.
`Kelley, A.W., Yadusky, W.F., Phase-Controlled Rectifier Line-Current Harmonics And Power Factor As A
`Function Of Firing Angle And Output Filter Inductance, 1990 IEEE Applied Power Electronics
`Conference and Exposition, 11-16 March 1990, pp. 588 – 597.
`Kelley, A.W., Yadusky, W.F., Rectifier Design For Minimum Line Current Harmonics And Maximum
`Power Factor, 1989 IEE Applied Power Electronics Conference and Exposition, 13-17 March 1989, pp.
`13 – 22.
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`U. S. Patents
`8,731,116, M. Norconk, J. Schwannecke, C. Moore, J. Taylor, N. Kuyvenhoven, D. Liff, J. Amistadi, R.
`Gruich, A. Kelley, K. Armstrong, System and Method of Providing Communications in a Wireless
`Power Transfer System, May 20, 2014.
`7,200,014, C. Hawkes, A. Kelley, System and Method for Transferring Duty Cycle Information in an
`Isolated DC/DC Converter or Other Circuit, April 3, 2007.
`6,847,515, A. Kelley, J. Ledford, L. Vassalli, J. Cavaroc, Power Supply Systems And Methods That Can
`Enable An Electromagnetic Device To Ride-Through Variations In A Supply Voltage, January 25, 2005.
`6,345,203/6,263,247/6,047,214, J. Mueller, H. T. Nagle, R. Gyurcsik, A. Kelley, System And Method For
`Powering, Controlling, And Communicating With Multiple Inductively-Powered Devices, February 5,
`2002/July 17, 2001/April 4, 2000.
`5,587,662, A. Kelley, M. Harris, Method And Apparatus For Nondisruptively Measuring Line Impedance
`At Frequencies Which Are Relatively Close To The Line Frequency, December 24, 1996
`5,448,141, A. Kelley, M. Hallouda, A. Jungreis, Adjustable Speed Drive For Residential Applications,
`September 5, 1995.
`4,833,337, A. Kelley, W. Owens, Inductive Coupled Power System, May 23, 1989.
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