Publication

A Stacked Radial Mode Lithium Niobate Transformer for DC-DC Conversion

Conference

COMPEL

Eric Stolt, Clarissa Daniel, Juan Rivas

Voltage Waveform Generation for Sawyer-Tower C_OSS Loss Measurements Using a Hybrid Power Converter

Conference

PCIM Europe

Malachi Hornbuckle, Steven Abrego, Katherine Liang, Sára Davidová, Zikang Tong, Juan Rivas

Piezoelectric Based Class-E Resonant Inverter for Driving Surface Dielectric Barrier Discharge Plasma

Conference

ECCE Asia

Mingyu Yang, Eric Stolt, Zhechi Ye, Juan Rivas

A Stacked Piezoelectric Converter Using a Segmented IDT Lithium Niobate Resonator

Journal

IEEE OJPE

Weston Braun, Eric Stolt, Kristi Nguyen, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Ruochen Lu, Juan Rivas

A Spurious-Free Piezoelectric Resonator Based 3.2 kW DC–DC Converter for EV On-Board Chargers

Journal

IEEE TPELS

Eric Stolt, Weston Braun, Kristi Nguyen, Vakhtang Chulukhadze, Ruochen Lu, Juan Rivas

Near Spurious-Free Thickness Shear Mode Lithium Niobate Resonator for Piezoelectric Power Conversion

Journal

IEEE TUFFC

Kristi Nguyen, Vakhtang Chulukhadze, Eric Stolt, Weston Braun, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Juan Rivas, Ruochen Lu

Spurious-Free Lithium Niobate Bulk Acoustic Resonator for Piezoelectric Power Conversion

Conference

EFTF/IFCS

Kristi Nguyen, Eric Stolt, Weston Braun, Vakhtang Chulukhadze, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Juan Rivas, Ruochen Lu

Near-Spurious-Free Lithium Niobate Resonator for Piezoelectric Power Conversion with Q of 3500 and k2t of 45%

Conference

IUS

Kristi Nguyen, Eric Stolt, Weston Braun, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Juan Rivas, Ruochen Lu

Forward-Zero Cycle Closed-Loop Control of Piezoelectric Resonator DC-DC Converters

Conference

COMPEL

Eric Stolt, Weston Braun, Juan Rivas

1 kW MHz Wideband Class E Power Amplifier

Journal

IEEE OJPE

Jiale Xu, Zikang Tong, Juan Rivas-Davila

Apparatuses and methods involving power conversion using multiple rectifier circuits

Patent

Juan Rivas-Davila, Lei Gu, Luke Raymond, Sanghyeon Park

Apparatus and methods involving control of piezoelectric resonance circuits

Patent

Eric Stolt, Juan Rivas-Davila, Weston Braun

Fixed-Frequency Control of Piezoelectric Resonator DC-DC Converters for Spurious Mode Avoidance

Journal

IEEE OJPE

Eric A. Stolt, Weston D. Braun, Lei Gu, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Ruochen Lu, Juan Manuel Rivas Davila

Real-time Selective Harmonic Minimization using a Hybrid Analog/Digital Computing Method

Journal

IEEE TPELS

Jason Poon, Mohit Sinha, Sairaj V. Dhople and, Juan Manuel Rivas Davila

Class E Power Amplifier with Piezoelectric Resonator Output Branch

Conference

COMPEL

Clarissa Daniel, Eric Stolt, Juan Rivas

Piezoelectric Resonator Second Harmonic Cancellation in Class Φ2 Inverters

Conference

COMPEL

Eric Stolt, Weston Braun, Clarissa Daniel, Juan Rivas

Reverse Recovery Testing of Small-Signal Schottky Diodes

Conference

ECCE

W. Braun, E. Stolt, L. Gu and J. Rivas-Davila

Circuitry and methodology benefiting from reduced gate loss

Patent

Juan Rivas-Davila, Jiale Xu and Lei Gu

Wideband PPT Class Φ2 Inverter using Phase-Switched Impedance Modulation and Reactance Compensation

Journal

IEEE TIE

Z. Tong, L. Gu and J. Rivas-Davila

1.7 kW 6.78 MHz Wireless Power Transfer with Air-Core Coils at 95.7% DC-DC Efficiency

Conference

WPTC

L. Gu and J. Rivas-Davila

Passive components for electronic circuits using conformal deposition on a scaffold

Patent

Juan M. Rivas Davila, Wei Liang and Luke C. Raymond

Bipolar DC-DC converter topology using passive voltage reversal

Patent

Luke C. Raymond, Wei Liang, Kawin Surakitbovorn, Juan M. Rivas Davila

Optimized Resonators for Piezoelectric Power Conversion

Journal

IEEE OJPE

Weston D. Braun, Eric A. Stolt, Lei Gu, Jeronimo Segovia-Fernandez, Sombuddha Chakraborty, Ruochen Lu, Juan M. Rivas-Davila

Small- and Large-Signal Dynamic Output Capacitance and Energy Loss in GaN-on-Si Power HEMTs

Journal

J. Zhuang, G. Zulauf, J. Roig-Guitart, J. Plummer and J. Rivas

Compact Fast-Switching DC and Resonant RF Drivers for a Dual-Mode Imaging and HIFU 2D CMUT Array

Conference

IUS

Q. Stedman, L. Gu, C. Pai, M. Rasmussen, K. Brenner, B. Ma, A. Ergun, J. Rivas Davila, B. Khuri-Yakub

1 kW, Multi-MHz Wireless Charging for Electric Transportation

Conference

COMPEL

T. Phan, G. Zulauf, J. A. Fan and J. M. Rivas-Davila,

Design and Optimization of 6.78 MHz Wireless Power Transfer with Self-Resonant Coils

Conference

COMPEL

L. Gu, G. Zulauf, A. Stein, P. A. Kyaw, T. Chen and J. M. Rivas-Davila

Low-Ripple High-Voltage DC Generation Using a Serially Segmented Multiphase Voltage Multiplier

Conference

ECCE

S. Park and J. Rivas-Davila

A physical investigation of large-signal dynamic output capacitance and energy loss in GaN-on-Si power HEMTs at high-frequency applications

Conference

ECCE

J. Zhuang, G. Zulauf, J. Roig, J. D. Plummer and J. Rivas-Davila

Origins of Soft-switching Coss Losses in SiC Power MOSFETs and Diodes for Resonant Converter Applications

Journal

Z. Tong, J. Roig-Guitart, T. Neyer, J. D. Plummer and J. M. Rivas-Davila

Decentralized Carrier Phase Shifting for Optimal Harmonic Minimization in Asymmetric Parallel-Connected Inverters

Journal

J. Poon, B. Johnson, S. V. Dhople and J. Rivas-Davila

Modular ON/OFF and Phase-Shifting for High-Speed Radio Frequency Power Modulation

Journal

K. Surakitbovorn and J. M. Rivas-Davila

Time and voltage domain load models for appliance-level grid edge simulation and control

Journal

Aaron Goldin, Elizabeth Buechler, Ram Rajagopal, Juan Rivas-Davila

6.78-MHz Wireless Power Transfer With Self-Resonant Coils at 95% DC–DC Efficiency

Journal

L. Gu, G. Zulauf, A. Stein, P. A. Kyaw, T. Chen and J. M. R. Davila

A Simple Method to Combine the Output Power from Multiple Class-E Power Amplifiers

Journal

K. Surakitbovorn and J. M. Rivas-Davila

Demonstration of GaN Impact Ionization Avalanche Transit-Time (IMPATT) Diode

Conference

DRC

D. Ji, B. Ercan, J. Zhuang, L. Gu, J. Rivas-Davila and S. Chowdhury

The Impact of Multi-MHz Switching Frequencies on Dynamic On-Resistance in GaN-on-Si HEMTs

Journal

G. Zulauf, M. Guacci, J. M. Rivas-Davila and J. W. Kolar

Inductorless Soft Switching DC-DC Converter with an Optimized Piezoelectric Resonator

Conference

APEC

W. D. Braun, Z. Tong and J. Rivas-Davila

Optimized Design of Multi-MHz Frequency Isolated Auxiliary Power Supply for Gate Drivers in Medium-Voltage Converters

Journal

O. Spro, S. Park, J. Rivas-Davila, D Peftitsis, O. Midtgård and T. Undeland

Lightweight High Voltage Generator for Untethered Electroadhesive Perching of Micro Air Vehicles

Letters

S. Park, D. S. Drew, S. Follmer, and J. Rivas-Davila

Push–Pull Class Φ2 RF Power Amplifier

Journal

L. Gu, G. Zulauf, Z. Zhang, S. Chakraborty, J. Rivas-Davila

Design and Fabrication of Three-Dimensional Printed Air-Core Transformers for High-Frequency Power Applications

Journal

Z. Tong, W. D. Braun and J. M. Rivas-Davila

Gate Drive for Very Fast Resonant Conversion using SiC Switch

Conference

ECCE

Z. Tong, L. Gu, K. Surakitbovorn and J. M. Rivas-Davila

Miniature High-Voltage DC-DC Power Converters for Space and Micro-Robotic Applications

Conference

ECCE

S. Park, A. Goldin and J. Rivas-Davila

Cascode GaN/SiC: A Wide-Bandgap Heterogenous Power Device for High-Frequency Applications

Journal

J. Xu, L. Gu, Z. Ye, S. Kargarrazi and J. M. Rivas-Davila

Effect of Class 2 Ceramic Capacitor Variations on Switched-Capacitor and Resonant Switched-Capacitor Converters,

Journal

J. Xu, L. Gu and J. Rivas-Davila

A Method to Eliminate Discrete Inductors in a Class-E Inverter Used in Wireless Power Transfer Applications

Journal

K. Surakitbovorn and J. M. Rivas-Davila

On the Optimization of a Class-E Power Amplifier With GaN HEMTs at Megahertz Operation

Journal

K. Surakitbovorn and J. M. Rivas-Davila

High-Frequency Bidirectional Resonant Converter for High Conversion Ratio and Variable Load Operation

Journal

IEEE JESTPE

L. Gu, K. Surakitbovorn, G. Zulauf, S. Chakraborty and J. Rivas-Davila

Single-Turn Air-Core Coils for High-Frequency Inductive Wireless Power Transfer

Journal

IEEE TPELS

G. Zulauf and J. M. Rivas-Davila