Analysis and Comparison of High Frequency Micro-Transformers With Different Winding Arrangements

被引：1

作者：

Wang, Ningning ^{[1
]}

Liao, Zhenyu ^{[1
]}

Cheng, Mengjie ^{[1
]}

Zhang, Zhengmin ^{[1
]}

Ye, Tincong ^{[1
]}

Liu, Lei ^{[1
]}

机构：

[1] Hangzhou Dianzi Univ, Sch Elect & Informat Engn, Hangzhou 310018, Zhejiang, Peoples R China

来源：

IEEE ELECTRON DEVICE LETTERS | 2022年 / 43卷 / 06期

关键词：

Windings; Capacitance; Resonant frequency; Equivalent circuits; Frequency measurement; Q-factor; Couplings; Common-mode surge; interleaving; micro-transformers; signal; power isolation; THIN-FILM MICROTRANSFORMER; STRAY CAPACITANCES; SILICON; CIRCUIT;

D O I：

10.1109/LED.2022.3166462

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：

In this work, two racetrack-shaped micro-transformers with different winding arrangements, i.e., two-layer separated windings and two-layer interleaved windings, were fabricated and compared. Based on the parameters of a novel equivalent circuit, which were extracted from measurements, some established figures of merit were employed to analyze the electrical performance of these micro-transformers. It is shown that the interleaved windings result in less winding losses and increased coupling factor, but at the price of decreased quality factor and increased inter-winding stray capacitances and stray conductances, which may deteriorate common-mode surge performance.

引用

页码：954 / 957

页数：4

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