2025

08/2025

• We have a full group now trusted to make UMN power great again. We are working the renovation of the labs and instruments at the moment. All five current students are assigned with different projects. Soon, we will start the full experiments.

• Sahdev and Ethan are finally here. Sahdev is from University of South Carolina and Ethan is from University of California Santa Barbara. They are the new PhD students in the group. Welcome to Minnesota!

06/2025

• Adnan joins our group as a PhD student. He has years of experiences in industries and is currently working at Northrop Grumman. Welcome!

05/2025

• Andrew and Colin, two very brilliant undergrads from our department joined out team. They will be working on LED drivers and renewable energy applications respectfully. Welcome to the group!

03/2025

• I attended APEC 2025 conference in Atlanta, Georgia.

01/2025

• Professor Sairaj Dhople and I are co-advising Jonah Rawley for an exciting project. Welcome Jonah!

• I am teaching the EE5741: Advanced Power Electronics course in the Spring Semester.

• I have moved to the Twin Cities Area and officially joined the ECE department of  University of Minnesota-Twin Cities. Hopefully, this is going to be the end of my nomadic life.

2024

09/2024

• We had an amazing time at ECCE 2024 held in Phoenix, Arizona. 

• We have an ISSCC paper accepted! Our hard work since 2020 has been really paid off by Hieu's paper titled "A 74W/48V Monolithic-GaN Integrated Adjustable Multilevel Supply Modulator for 5G Base Station Massive MIMO Arrays ". This was a collaboration among my former research group ipower3Es at UCSD, my current company EPC Corporation and Samsung Research America. Proud to be part of the team!

05/2024

• With interesting turns of events, I am going to be responsible for testing and designing rad hard ICs with EPC Space for the rest of my time here at EPC Corporation.

04/2024

• Very exciting news! I have accepted an offer from the ECE department of  University of Minnesota-Twin Cities. I am going to start as a tenure-track Assistant Professor from Spring'2025.

2023

06/2023

• I started a position in the IC Design team of the Efficient Power Conversion Corporation. 

• I attended IEEE COMPEL 2023 at the University of Michigan Ann Arbor and presented my works about small signal modeling of our multi-inductor hybrid converter family. These are theoretical works mostly done around the locked-down period of 2020-2021 during the Covid-19 pandemic.

05/2023

• We have two papers accepted in IEEE ECCE 2023. The projects were led by Jacob and Zhiheng. Congrats Jacob and Zhiheng!

04/2023

• I have a paper accepted in IEEE COMPEL 2023. See you all in Michigan.

03/2023

• I received an Outstanding Presentation Award for my presentation of the paper: “Multi-Inductor Multi-Output Hybrid (MiMoH) Converter for Large Conversion Ratio and Multiple Outputs” at APEC 2023. Hieu's presentation of his paper: “Adjustable 4-Level Hybrid Converter for Symbol Power Tracking in 5G New Radio”  is also received well among the attendants.

• I chaired a technical session, "T10 - Power Quality & Grid Interface"  and an industry session, "IS20 - Packaging and Thermal Management" at APEC 2023.

• I represented the iPower3Es group at the PMIC Booth of APEC 2023 Expo. 

02/2023

• We had very successful presentations, demos, great interactions with industry and academic communities, and a great time at ISSCC 2023. Although I had no any papers, I worked closely on the projects with experiments. Seeing my colleagues' ideas being well-recognized in the SSCS community was nice.

01/2023

• I officially started the postdoctoral scholar position at UCSD.

2022

12/2022

• I gave an online research talk on "Power Delivery with Next-generation Architectures and Topologies: A Data Center Perspective" invited by Oklahoma State University.

• I presented two posters on the multi-output converter and the motor driver project at the December 2022 Industry Advisory Board Meeting of the PMIC center.

11/2022

• I presented a poster on the multi-output converter project in 2022 Beyond 5G - Toward 6G Forum of UCSD's Center for Wireless Communications.

• I accepted a Post-doc position with my current supervisor Professor Hanh-Phuc Le.

• I have defended my thesis and EARNED my Ph. D., first from our group.

  • Thanks to Prof. Hanh-Phuc Le, Prof. Patric Mercier, Prof. Chris Mi, Prof. Tina Ng and Prof. Jan Kleissl for awarding the doctorate.

  • Prof. David Perrault, Prof. Charles Sullivan, Prof. Khurram Afridi, Prof. Jason Stauth, Prof. Gab-Su Seo, and Prof. Jessica Boles attended my defense talk. Thank you!!

10/2022

• I have two papers accepted for lecture presentation at APEC 2023 on innovative power converter topologies, circuits, and controls. One of the papers is first-authored by Hieu Pham.

• I attended the ECCE 2022. 

09/2022

• We have moved to our new laboratory and office spaces at Franklin Antonio Hall.

08/2022

• iPower3Es group receives support from the PMIC center to develop a new power delivery and management architecture for next-generation electric motors. This is one of the projects I kickstarted from the beginning with ideas and implementation. I helped Prof. Hanh-Phuc Le with the proposal as well.

• I published a general yet intuitive analysis to understand and predict the voltage imbalance behavior of flying capacitors in hybrid converters in his paper “Analysis of Capacitor Voltage Imbalance in Hybrid Converters and Inherently Balanced Operation Using Symmetric Architecture” in the IEEE Journal of Emerging and Selected Topics in Industrial Electronics. 

03/2022

• I published his paper “Gate Driver Circuits With Discrete Components For A GaN-based Multi-Level Multi Inductor Hybrid Converter” in the IEEE Transactions on Industrial Electronics, one of the highest impact factor IEEE journals.

2021

12/2021

• Our group receives funding from the Power Management Integration Center for the multioutput converter project I am working on. This is one of my brainchildren seeing the face of successful funding. The next 1-1.5 years will be fun.

10/2021

• I have a paper accepted to COMPEL 2021 on an accurate approach to calculating and measuring capacitor voltages and inductor currents in hybrid converters.

05/2021

• I have two papers, accepted to ECCE 2021, on innovative converters for direct AC grid-to-DC and 48VDC-to-1VDC isolated conversions.

2020

08/2020 

• One of my research projects has been accepted to be presented at the ECCE Student Project Demonstration 2020.

04/2020 

• Our second paper on the MIH converter family, entitled “Analysis of Dual-Inductor Hybrid Converters for Extreme Conversion Ratios,” is published in the IEEE Journal of Emerging and Selected Topics in Power Electronics (IEEE JESTPE).

01/2020

• I officially started my studentship at UCSD. Our group recently moved here.

2019

09/2019 

• Our first paper on the MIH converter family is published in the IEEE Transactions on Industry Applications.

• My internship ended. It was a fun and friendly learning experience!

06/2019

• Our paper entitled “Demystifying Capacitor Voltages and Inductor Currents in Hybrid Converters” has been awarded a COMPEL 2019 Best Paper Award!

• Our work on Dual Inductor Hybrid (DIH) converter in the Multi-Inductor Hybrid (MIH) converter family is covered in this EDN article as one of the promising candidates for data center power delivery that has remarkably high efficiencies for large conversion ratios, i.e. 48V to 1V-2V. 

05/2019

• I started the internship at TI.

• My paper on demystifying capacitor voltage balancing issues and inductor current fluctuations in hybrid converters has been accepted to COMPEL 2019.

03/2019

• My converter boards in our Multi-Inductor Hybrid (MIH) converter family are featured at EPC exhibition booth at APEC 2019.

• I have three papers at APEC 2019. We had for tremendous interest from industry about our presentations.

01/2019 

• I accepted a summer internship from TI. 

2018

10/2018

• Three papers were accepted for lecture presentations at APEC 2019. The papers describe our inventions around a new hybrid DC-DC converter family capable of ultra-high efficiency for large conversion ratios and large current density.

09/2018

• We presented our papers at ECCE 2018.

04/2018

• Two papers accepted to ECCE 2018

2017

08/2017

• I started my Ph.D. at the University of Colorado Boulder.

07/2017

• I officially ended my ties with BUET VLSI Research Group and Energypac Engineering Ltd.

• I defended my M.Sc. thesis. Thank you, Dr. A. B. M. Harun-ur Rashid, Dr. Mohammad Jahangir Alam, and Dr. Tapan Kumar Chakrabarty!