Design of a 1-MHz high-efficiency high-power-density bidirectional GaN-based CLLC converter for electric vehicles

P He, A Mallik, A Sankar… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, a bidirectional CLLC converter operating at MHz-level switching frequency is
proposed to achieve high power density and high efficiency. An optimized stacked printed …

An optimized digital synchronous rectification scheme based on time-domain model of resonant CLLC circuit

B Li, M Chen, X Wang, N Chen, X Sun… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Uncontrolled rectification on the secondary side of the resonant CLLC circuit causes a large
amount of conduction loss. Accurate synchronous rectification (SR) can reduce conduction …

A Time-Domain-Model-Based Digital Synchronous Rectification Algorithm for CLLC Resonant Converters Utilizing a Hybrid Modulation

L Pei, L Jia, L Wang, L Zhao, S Song… - … on Power Electronics, 2021 - ieeexplore.ieee.org
For bidirectional CLLC resonant converters, synchronous rectification (SR) is a key
technique that can reduce the conduction losses in rectifying side by replacing the diodes …

Design-Oriented Comprehensive Time-Domain Model for CLLC Class Isolated Bidirectional DC-DC Converter for Various Operation Modes

J Sun, L Yuan, Q Gu, R Duan, Z Lu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A comprehensive time-domain model of a CLLC class isolated bidirectional dc-dc converter
(IBDC) is proposed in this article. Based on the circuit analysis and the solution of the state …

A review of high frequency resonant DC-DC power converters: Topologies and planar magnetic technologies

DG Xu, YS Guan, YJ Wang, W Wang - Science China Technological …, 2020 - Springer
With the development of high frequency resonant DC-DC power converters, the system
efficiency, power density and dynamic characteristics have been significantly improved …

A simplified sensorless synchronous rectification method for inner phase shift control in CLLC converters

K Sun, H Chen, L Lu, K Zhang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
The CLLC converter is a promising topology for bidirectional power conversion applications,
such as vehicle-to-grid and battery energy storage systems. In these applications, wide …

A Constant Current Control Method With Improved Dynamic Performance for CLLC Converters

H Chen, K Sun, L Lu, S Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The capacitor–inductor–inductor–capacitor (CLLC) converter is a promising topology for
bidirectional power conversion applications, such as hydrogen or battery energy storage …

A digital sensor-less synchronous rectification algorithm for symmetrical bidirectional CLLC resonant converters

X Ren, L Pei, S Song, J Zhang, Y Pei… - 2020 IEEE Applied …, 2020 - ieeexplore.ieee.org
For bidirectional CLLC resonant converters, synchronous rectification (SR) is a key
technique that can reduce the conduction losses by replacing the diodes to bring an …

Comprehensive Analysis of Synchronous Rectifying Signal Delay of High-Frequency LLC Resonant DC/DC Converter

X Wang, S Zhao, Z Yang, Y Liu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
LLC resonant DC/DC converters are widely applied in various scenarios such as electronic
device power supplies, vehicle chargers, etc. To improve the efficiency of the LLC converter …

Noncirculating current series resonant converter with pulse frequency modulation

G Ning, L Du, B Dai, M Su, W Xiong… - International Journal of …, 2024 - Wiley Online Library
In this paper, an asymmetric pulse frequency modulation (APFM) is applied to the full‐bridge
series resonant converter with a secondary LC resonant tank. Different from the traditional …