An Isolated Full-Bridge DC-DC Converter With 1-MHz Bidirectional Communication Channel

被引：13

作者：

Yang, Ru-Shiuan ^{[1
]}

Chang, Lon-Kou ^{[2
]}

Chen, Hung-Chi ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu 300, Taiwan

[2] Macroblock Inc, Hsinchu 30072, Taiwan

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 09期

关键词：

Bidirectional communication; data transmission; full-bridge converter; isolation; LLC; resonance; transformer;

D O I：

10.1109/TIE.2010.2095397

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a novel isolated full-bridge dc/dc converter with bidirectional communication capability. The transformer in the proposed converter is utilized as an isolation interface for transferring both energy and data. Power delivery and forward data transfer are conducted simultaneously by modifying the full-bridge switching phase. Backward data transfer is realized by manipulating the amplitude of the resonant signal through modulating the impedance of the resonant tank at the secondary side of the transformer. Finally, the operation principle of the proposed converter was verified on a 900-mW prototype operating at 1 MHz from a 12-V dc input.

引用

页码：4407 / 4413

页数：7

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