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Power Magnetics @ High Frequency
Saturday March 15 2025
Prior to APEC 2025
World Congress Convention Center
Atlanta, GA 30313
 he PSMA Magnetics Committee and IEEE PELS will conduct the tenth "Power Magnetics @ High Frequency" Workshop on Saturday, March 15, 2025, which is the day before and at the same venue as APEC 2025 in Atlanta, GA. The 2025 workshop builds on the ongoing dialogue of the workshop series over the past nine workshops.
The purpose and focus of the workshop are to identify the latest improvements in magnetic materials, coil (winding) design, construction and fabrication, evaluation and characterization techniques and modelling and simulation tools. The Workshop will target the advancements deemed necessary for power magnetics to meet the technical expectations and requirements of new and evolving market applications. These are driven by higher operating frequencies and emerging topologies together with continuous advances in circuits topologies and semiconductor devices. The target audiences for the 2025 Power Magnetics @ High Frequency Workshop include the designers of power magnetic components for use in electronic power converters, those who are responsible to implement the most technologically advanced power magnetic components necessary to achieve higher power densities, specific physical aspect ratios such as low profile, higher power efficiencies and improved thermal performance. The target audiences also include people involved in the supply chain for the power magnetics industry ranging from manufacturers of magnetic materials and structures, fabricators of magnetic components, providers of modelling and simulation software as well as manufacturers of test and characterization equipment. The theme of the 2025 Power Magnetics @ High Frequency will be integrated magnetics, defined as magnetic structures that perform two or more functions. The morning technical session will feature a keynote presentation and four lecture style presentations concluding with two panel Q&A sessions. There will be a five-minute Q&A after each lecture presentation. The schedule for this session is: - Minjie Chen, Princeton University: Keynote Trends of Physical Structures of Magnetic Devices for Power Applications Over the Past Ten Years
- Ranajit Sai, Tyndall: Magnetics: Integrations for 2.5D and 3D Packaging
- Jens Kehl, Wurth Elektronik: Inductive Components on Silicon Substrate 300mm Wafer
- Sebastian Bachman, Tridelta Weichferrite: Ferrite Technology in Transition - Process and Shaping
- John McDonald, Atlas Magnetics: Magnetics for Power System in Package (PSiP)
- Minjie Chen, Ranjit Sai Jens Kehl, Sebastin Bachman and John McDonald, will lead a panel discussion regarding the challenges of addressing technical requirements across a wide range of applications. Everyone's participation is encouraged.
The technical capabilities and disciplines that will be demonstrated and displayed during the technology demonstration/poster sessions are as follows:
- Technology Demonstrations
- Andres Arias, Risha Yu, Premier Magnetics: Integrated Magnetics, Optimization Common Mode Chokes (CMC) Integrated with Differential Mode Chokes (DMC), and Review of LLC Transformer with Integrated Inductor
- Alfonso Martinez/Mark Christini, Open Magnetics/Ansys: Open Magnetics Demo
- Mike Arasim, Fair-Rite Products: Dimensional Resonance and Fringing Mitigation Considerations for Magnetic Core Design
- Efrain Bernal, Wurth Elektronik: Simple and Effective Technique to Verify Impact of High Temperature and High Voltage High Frequency Stresses on Inductor Electrical Performance
- Reddy Andapally Bharadwaj, CBMM: Roadmap for Nanocrystalline Materials in Power Electronic Applications
- Wilmar Martinez, KU Leuven: PowerBrain: AI-based Magnetic Database: Experimental and Generative Data
- John McDonald, Atlas Magnetics: A Low-Cost Novel High Q, High Bsat Electroplated Magnetic Meta-Material
- Lukas Mueller, Micrometals: Active Damping of EMI Filters Using Low Q Powder Materials
- Ryu Nagahama, Iwatsu: Static and Dynamic Characteristic Tests on Magnetic Devices
- Akihiko Saito, Daido Steel Many Measurement Methods for the Complex Permeability and Complex Permittivity of Noise Suppression Sheets
- Jens Schweickhardt, PE Systems: Double Pulse Testing of Magnetic Components
- JC Sun, Bs&T: Linear Versus Non-Linear Magnetic Characteristics
- Jun Wang, University of Bristol Triple Pulse Testing Open-Source Project
- Tom Wilson/ Andrija Stupar, SIMPLIS Technologies: Power Loss Distribution in Planar Windings
- Kosuke Yuasa, Daido Steel: Construction of an Electromagnetic Wave Shielding Effect Measurement Method Using a Loop Antenna
- Posters
- Jacob Anderson, Nick Kirkby, Arizona State University (ASU): Automated Temperature Regulated Core Loss Testing with High-Frequency Class D Amplifiers
- Todd Marzec, UPITT: Design Considerations and Multi-Objective Optimization for Magnetic Components in High-Power, Medium-to-High-Frequency Power Electronics
- Rachel Yang, MIT: Optimization of Magnetics Design Across Broad Application Ranges
- Yibo Wang, City University of Hong Kong: Laminated Cores for High-power Inductive Power Transfer Application: High-efficiency Design with Fe-based Nanocrystalline Material
The third technical session will feature a keynote presentation and three lecture style presentations concluding with a panel Q&A session. A five-minute Q&A. will follow each presentation. After all presenters have presented, all the presenters will reassemble for a twenty-minute panel Q&A The schedule for this session is as follows:
- Charles Sullivan, Dartmouth College: Keynote Trends of Electrical Requirements, Modelling and Simulation Over the Past Ten Years
- Mike Ranjram, Arizona State University: Variable-Inverter-Rectifier-Transformer (VIRT) Hybrid Electronics
- Lukas Mueller, Micrometals: Magnetics Design for LLC Circuit Topology
- Michael Freitag, Yageo: Designing Soft Saturating, Low Loss TLVR´s Avoiding Air Gaps for Better Coupling and Highly Efficient Nanocrystalline Power Core Material
There will be a networking hour after the afternoon technical presentation session has completed. This will be the last opportunity to interact with the technology demonstration presenters and the student poster presenters as well as an opportunity to relax and have informal dialogues with other workshop attendees.
Registration for the workshop is limited and is open at the following URL: https://psma.com/power-magnetics-high-frequency-workshop-2025-registration
The agenda for the 2025 Power Magnetics @ High Frequency is available on the PSMA website at the following URL: https://psma.com/2025_Power_Magnetics_at_High_Frequency_Agenda
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