Electrical energy conversion quietly underpins nearly every modern technology. We develop the power-electronics technologies that enable a more efficient and electrified future.
Our Research Join the GroupOur group develops advanced power-conversion architectures and circuit techniques that enable more efficient, compact, and capable systems for applications including data-center power delivery, space systems, renewable energy integration, electric transportation, biomedical devices, and next-generation computing platforms. Research topics span converter design, topology development, control, modeling, soft-switching techniques, optimization, and advanced packaging.
We are a strongly hardware-focused lab composed of students and researchers passionate about advancing the state-of-the-art in power electronics. Most projects culminate in high-performance prototypes, providing students with extensive hands-on experience in rapid hardware development, testing, and experimental validation. To learn more about our current research directions and both past and ongoing projects, please visit our Research page.
June 2026
The lab came together for a relaxed Spring 2026 dinner to celebrate progress, share ideas, and enjoy time with the growing EPG community. Celebrations were in order as our group's first two papers are set to be published, Swapnil completed his preliminary exams, and Svante graduated :'-)'.
Read More
May 2026
Congratulations to Ph.D. student Mitch McDowell and undergraduate co-author Sydney Ear! Their work on hybrid switched-capacitor architectures that achieve automatic voltage balancing has been accepted for presentation at the IEEE Workshop on the Control and Modeling of Power Electronics (COMPEL) in Cambridge, UK in July 2026, with Mitch leading the theoretical effort and Sydney providing the core PCB design for validation. This marks both EPG's first published work, and a first publication for both Mitch and Sydney(!) Congratulations :-)
Read MoreApril 2026
Welcome to the lab, Nicholas Tang and Shashank Karthik Rajan! Starting Spring 2026, Nicholas will develop a versatile high-density PCB implementation of the C2000 microcontroller for general purpose embedded control, while Shashank will build a high-bandwidth testbed enabling high slew-rate testing of power converters. Here's to new ideas, fresh energy, and making things work!
Read More
March 2026
Joseph Winkler is a Ph.D. student of Prof. Bernhard Wicht at Leibniz University Hannover. Congratulations Joseph on winning two Best Presentation Awards at APEC 2026.
Read More
March 2026
EPG represented UCSC at the IEEE Applied Power Electronics Conference (APEC) in San Antonio, Texas — the global flagship conference for power electronics. The delegation included Prof. Ellis (right), Swapnil Tripathi (left), and Mitch McDowell (middle).
Read MoreSelected conference presentations by Prof. Ellis.
Modified Split-Phase Switching with Improved Fly Capacitor Utilization in a 48V-to-PoL Dual Inductor Hybrid-Dickson Converter
Read PaperA Synchronous Boot-Strapping Technique with Increased On-Time and Improved Efficiency for High-side Gate-drive Power Delivery
Read PaperA Resonant Dual Extended LC-Tank Dickson Converter with 50% Two-Phase Operation at Odd Conversion Ratios [Best Technical Lecture Award]
Read PaperClosed-Loop Split-Phase Control Applied to the Symmetric Dual Inductor Hybrid (SDIH) Converter
Read PaperPresented at the Energy Conversion Congress and Exposition (ECCE) 2022.
Read PaperReducing COSS Switching Loss in a GaN-based Resonant Cockcroft-Walton Converter Using Resonant Charge Redistribution
Read PaperA Resonant Gate Driver with Variable Gain and a Capacitively Decoupled High-Side GaN-FET
Read Paper