PCB integrated transformer composed with ferrite mosaics for LLC resonant converter

被引：0
|
作者：
Wang, Jianing [1 ]
Yang, Xu [1 ]
Niu, Huapeng [1 ]
Wang, Zhaoan [1 ]
Liu, Jinjun [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, Xian 710049, Shanxi, Peoples R China
来源：
2009 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION, VOLS 1-6 | 2009年
关键词：
ferrite mosaic; mosaic structured core; passive substrate; PCB embedded circuit; passive integration; DESIGN; INDUCTORS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A mosaic structured core composed with ferrite mosaics for passive embedded substrate is described in this paper. The ferrite mosaic structured core is finished after cutting, laminating and assembling the ferrite mosaics which consist of a supporting plate and ferrite units with small size stuck on it. This structure is applied to a transformer design for 48V to 12V, 500W LLC resonant bus converter with efficiency up to 97%. Analysis is conducted to show this structure working well and finite element analysis (FEA) is executed for simulation of the power losses in the new structure core. Experiment results show that gap control is a big challenge to mosaic structured transformers.
引用
收藏
页码：533 / 539
页数：7
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