A Combo EMI Suppression Scheme for Multimode PSR Flyback Converter

IF 2.8 2区工程技术 Q2 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

IEEE Transactions on Very Large Scale Integration (VLSI) Systems Pub Date : 2024-10-14 DOI:10.1109/TVLSI.2024.3470837

Yongyuan Li;Zhuliang Li;Wei Guo;Qiang Wu;Yongbo Zhang;Yong You;Zhangming Zhu

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引用次数: 0

Abstract

Electromagnetic interference (EMI) is an inevitable issue in power electronics applications. Although many kinds of solutions have been presented to attenuate EMI noise, there is still little research about the EMI suppression scheme utilized in multimode primary-side regulation (PSR) flyback converters. Targeting EMI regulation in multimode PSR flyback converter, a combo EMI suppression scheme comprised of frequency modulation and dual-slope gate driver is adopted to meet stringent EMI requirements, simplifying peripheral components and design of EMI filter. The proposed scheme is implemented in

$0.18~\mu $

m 5/40 V BCD process and occupies a die size (with pads) of

$1.05\times 0.8$

mm2. The experimental results show that the conducted EMI waveforms with line/neutral polarity can easily comply with regulations. The deviations of the output voltage are within ±1.3% under different inputs and loads while the peak effciency of 90% is achieved.

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来源期刊

IEEE Transactions on Very Large Scale Integration (VLSI) Systems 工程技术-工程：电子与电气

CiteScore

6.40

自引率

7.10%

发文量

187

审稿时长

3.6 months

期刊介绍： The IEEE Transactions on VLSI Systems is published as a monthly journal under the co-sponsorship of the IEEE Circuits and Systems Society, the IEEE Computer Society, and the IEEE Solid-State Circuits Society. Design and realization of microelectronic systems using VLSI/ULSI technologies require close collaboration among scientists and engineers in the fields of systems architecture, logic and circuit design, chips and wafer fabrication, packaging, testing and systems applications. Generation of specifications, design and verification must be performed at all abstraction levels, including the system, register-transfer, logic, circuit, transistor and process levels. To address this critical area through a common forum, the IEEE Transactions on VLSI Systems have been founded. The editorial board, consisting of international experts, invites original papers which emphasize and merit the novel systems integration aspects of microelectronic systems including interactions among systems design and partitioning, logic and memory design, digital and analog circuit design, layout synthesis, CAD tools, chips and wafer fabrication, testing and packaging, and systems level qualification. Thus, the coverage of these Transactions will focus on VLSI/ULSI microelectronic systems integration.