High Efficiency Si Integrated Micro-transformers Using Stacked Copper Windings for Power Conversion Applications

被引：0

作者：

Wang, Ningning ^{[1
]}

Kulkarni, Santosh ^{[1
]}

Jamieson, Brice ^{[1
]}

Rohan, James ^{[1
]}

Casey, Declan ^{[1
]}

Roy, Saibal ^{[1
]}

O'Mathuna, Cian ^{[1
]}

机构：

[1] Natl Univ Ireland Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland

来源：

2012 TWENTY-SEVENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2012年

关键词：

THIN-FILM MICROTRANSFORMER; FREQUENCY; CONVERTERS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper details the design, fabrication, and characterization of silicon integrated micro-transformers. Two types of race-track shaped micro-transformers, single copper winding or single layer metal (SLM) and double copper winding or double layer metal (DLM) were designed and fabricated using standard CMOS processing. The DLM devices have higher inductance density than SLM devices realized within similar footprint area. The design study showed that the efficiency of micro-transformers increased from 37% for SLM designs to over 75% for DLM transformers at 20 MHz.

引用

页码：411 / 416

页数：6

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