Mingxiao Li
Los Angeles
Summary
- Excellent scientific track record: 9 journal papers, 12 conference papers, over 550 citations.
- Industrial Supervisor of KU Leuven
- Leading a product development of a quarter brick regulated IBC
- 2022 IEEE Transactions on Power Electronics First Prize Paper Award.
- PhD Thesis: Recognized by Prof. David John Perreault from MIT and Prof. Jürgen Biela from ETHz.
- Designed 800V to core power converters
- Discovered a natural phenomenon: nearly zero magnetic flux between two conductors in parallel.
- Knowledgeable of high voltage and high current design, IEC standards, hardware and software protection, microprocessor programming, soft-start control and CC-CV charging for battery.
- Project owner of a “game changer” bidirectional converter for battery formation system.
- Diligent, creative and passionate power electronics researcher/engineer with 8+ years of experience working in high efficiency and high power density converters used for voltage step-up or step-down applications.
- Proficient in AC/DC and DC/DC power conversions, including control, software and hardware protection, digital and analogical circuitry.
- Research interest: high power inverters/converters, magnetics, energy storage systems, bidirectional converters, resonant converters, and advanced power electronics architectures.
Overview
7
7
years of professional experience
Work History
Senior Staff Engineer, DC/DC module
Infineon
12.2024 - Current
- Led product design for quarter brick 2.5kW 48V to 12V IBC, optimizing specifications for upcoming volume production.
- Engineered compact 42mm x 18mm 54V to 6.75V 1.3kW unregulated IBC, proposing new winding structure projected to reduce losses by 10W, advancing towards volume production.
- Led cross-functional teams to enhance product design processes.
- Developed and implemented engineering solutions for complex technical challenges.
- Collaborated with suppliers to ensure quality standards and timely deliveries.
Industrial Supervisor
KU Leuven
02.2023 - Current
- Monitored doctoral research progress at KU Leuven to ensure alignment with academic goals.
- Provided constructive feedback on PhD candidate presentations to enhance research clarity and effectiveness.
- Managed daily operations of multiple projects within the engineering department.
- Coordinated cross-functional teams to meet project deadlines and objectives.
- Developed process improvements to enhance workflow efficiency and productivity.
Senior Power Electronics Engineer
Northvolt
09.2022 - 11.2024
- Designed high current cycler with 4-phase 25V to 2.5V buck converter, supporting battery formation systems at over 400A.
- Led project for bidirectional power converter, enabling conversion from 800V to 2.5V in single stage.
- Investigated high voltage AC/DC and DC/DC converters from 800V to 1500V for Northvolt's Voltpack core product.
Research Associate
University of Cambridge
10.2021 - 09.2022
- Mentored PhD students in advanced research projects, fostering their academic growth and research skills.
- Engineered 5V to 1V regulated converter, optimizing performance within compact 5mm x 5mm x 5mm footprint.
- Conducted literature reviews to support ongoing research projects.
- Collaborated with faculty on experimental design and data analysis.
- Managed laboratory equipment and maintained safety protocols effectively.
PhD
Technical University of Denmark
10.2018 - 10.2021
- Invented advanced magnetic structures for 30-75V to 30V multiphase interleaved converter achieving 99.3% efficiency and 30V to 5V 132A resonant converter achieving 97.7% efficiency in data center applications.
- Engineered high-performance DC/DC and AC/DC converters to enhance power efficiency and reliability.
- Developed wireless charging system with Samsung, improving user convenience and charging speed.
- Created a self-driven gate driver to improve efficiency and performance of synchronous rectifiers.
- Proposed innovative partial power regulated circuit architecture: hybrid multitrack sigma converter to optimize power distribution.
- Discovered the natural occurrence of nearly zero magnetic flux between parallel conductors during experimental research.
Education
Doctor of Philosophy - Power Electronics
Technical University of Denmark
10-2021
Doctor of Philosophy - Exchange study
University of Cambridge
Cambridge, United Kingdom08-2021
Master of Science - Electrical Engineering
Technical University of Denmark
08-2018
Master of Science - Exchange study
University of Colorado, Boulder
03-2018
Skills
- Converter innovations
- Multistage and bidirectional converters
- Protection design
- Magnetics
- Control integration strategies
- Thermal management
- PCB design and layout
- Altium Designer expertise
- Circuit simulation tools
- Prototyping and troubleshooting
- FEA and electromagnetic modeling
Awards
- 2022 IEEE Transactions on Power Electronics First Prize Paper Award
- Honor Student in DTU, 08/2018
Selected Journals
- High Frequency LLC Resonant Converter with Magnetic Shunt Integrated Planar Transformer, Mingxiao Li, Ziwei Ouyang, Michael A. E. Andersen, IEEE Trans. Power Electron., 2019
- Analysis and Optimal Design of High Frequency and High Efficiency Asymmetrical Half-Bridge Flyback Converters, Mingxiao Li, Ziwei Ouyang, Michael A. E. Andersen, IEEE Trans. Industrial Electron., 2020
- Self-driven Gate Driver for LLC Synchronous Rectification, Mingxiao Li, Ziwei Ouyang, Michael A. E. Andersen, IEEE Trans. Power Electron., 2021
- Discovery of the Nearly Zero Flux between Two Parallel Conductors in Planar Transformers, Mingxiao Li, Ziwei Ouyang, and M. A. E. Andersen, IEEE Trans. Power Electron., 2022, (2022 IEEE Transactions on Power Electronics First Prize Paper Award)
- Butterfly Interleaving Winding Arrangements for Multiphase Coupled Inductors, Mingxiao Li, Z. Ouyang, Y. Liu and M. A. E. Andersen, IEEE Trans. Power Electron., 2022
- Optimal Design of a Matrix Planar Transformer in an LLC Resonant Converter for Data Center Applications, Mingxiao Li, Chang Wang, Ziwei Ouyang, Michael A. E. Andersen, IEEE J. Emerg. Sel., 2022
Accomplishments
IEEE Transactions on Power Electronics First Prize Award
Timeline
Senior Staff Engineer, DC/DC module
Infineon
12.2024 - Current
Industrial Supervisor
KU Leuven
02.2023 - Current
Senior Power Electronics Engineer
Northvolt
09.2022 - 11.2024
Research Associate
University of Cambridge
10.2021 - 09.2022
PhD
Technical University of Denmark
10.2018 - 10.2021
Doctor of Philosophy - Power Electronics
Technical University of Denmark
Doctor of Philosophy - Exchange study
University of Cambridge
Master of Science - Electrical Engineering
Technical University of Denmark
Master of Science - Exchange study
University of Colorado, Boulder