Simple analog-based accurate variable on-time control for critical conduction mode boost power factor correction converters

X Ren, Y Zhou, Z Guo, Y Wu, Z Zhang… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
In order to suppress the input current distortion of critical conduction mode (CRM) boost
power factor correction (PFC) converters, variable on-time (VOT) control has been adopted …

A 9.2-ns to 1-s digitally controlled multituned deadtime optimization for efficient GaN HEMT power converters

M Karimi, M Ali, A Aghajani, A Hassan… - … on Circuits and …, 2022 - ieeexplore.ieee.org
This paper presents a tunable new deadtime control circuit providing an optimal delay for
power converter optimization. Our method can reduce the deadtime loss while improving the …

Stability analysis of variable frequency control method of soft switching for boost converter with wide bandgap semiconductors

S Norouzi, H Ghoreishy, AA Ahmad… - 2023 14th Power …, 2023 - ieeexplore.ieee.org
As a means of achieving soft switching in a boost converter without altering the converter's
structure or its variable frequency control, the quasi-resonance method is proposed. The …

Adaptive constant power control of MHz GaN-based AC/DC converters for low power applications

C Yao, Y Zhang, H Chen, X Zhang, H Li… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
With offline single-phase power supplies moving toward the megahertz switching frequency
range, the converter's bus capacitor becomes the bottleneck of further improvement of power …

Power loss model for GaN-based MHz critical conduction mode power factor correction circuits

Y Zhang, C Yao, X Zhang, H Chen… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Wide bandgap (WBG) devices allow power factor correction (PFC) circuits to operate at
megahertz (MHz), which improves power density. In low-power applications, critical …

Semiconductor galvanic isolation based onboard vehicle battery chargers

C Yao - 2018 - rave.ohiolink.edu
Power converters with galvanic isolation are widely used in various applications, which is
also required by the industry safety standards (eg, IEC60950 and UL2202). Traditionally …

Design and analysis of a high power supply for the research system of superconducting magnets

R Huang, P Fu, Y Zhu, L Huang, G Gao, L Xu… - Fusion Engineering and …, 2019 - Elsevier
To test superconductors with high performance such as Nb 3 Sn Cable-in-Conduit
Conductor (CICC) and superconducting magnets from small scale to large scale, the …

An optimization approach for high-efficiency high-power-density boost converters

C Zhang, DJ Perreault - 2018 IEEE 19th Workshop on Control …, 2018 - ieeexplore.ieee.org
Boost converters running in valley switching mode have the advantages of low switching
loss and small inductor size. However, the switching frequency is not fixed as operating …

Active gate current control for non-insulating-gate WBG devices

H Li, YM Abdullah, C Yao, X Wang… - 2017 IEEE Energy …, 2017 - ieeexplore.ieee.org
This paper proposes an Active Gate Current Control (AGCC) strategy for non-insulating gate
WBG devices, for example, gallium nitride gate-injection-transistor (GaN-GIT) and silicon …

Optimized variable on-time control for LED lighting driver

J Wang, H Eto, F Kurokawa - 2018 International Power …, 2018 - ieeexplore.ieee.org
This paper focus on how to implement variable on-time control to predictive boundary
conduction mode boost PFC converter for driving LED lighting applications. Normally, the …