Comparison of different designs of a 42-V/14-V DC/DC converter regarding losses and thermal aspects

被引：38

作者：

Lee, Seung-Yo ^{[1
]}

Pfaelzer, Arthur G.

van Wyk, Jacobus Daniel

机构：

[1] Samsung Elect Co Ltd, Suwon 443742, South Korea

[2] Intronics Inc, Norwood, MA 02062 USA

[3] Virginia Polytech Inst & State Univ, Ctr Power Elect Syst, Dept Elect & Elect Engn, Blacksburg, VA 24061 USA

[4] Univ Johannesburg, Fac Engn Sci, ZA-2006 Johannesburg, South Africa

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2007年 / 43卷 / 02期

基金：

欧洲研究理事会; 美国国家科学基金会;

关键词：

bidirectional dc/dc converter; finite-element modeling (FEM); integrated inductor; thermal analysis;

D O I：

10.1109/TIA.2006.889808

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, thermal analysis for a 42-V/14-V bidirectional dc/dc converter with integrated inductors is performed. An interleaved dc/dc converter system with four channels was chosen for the automotive-converter topology with 42-V/14-V dual-output voltages. Coupled inductors were designed and used for the four-channel dc/dc converter. A 3-D thermal model based on finite-element modeling using I-DEAS is presented and the thermal behavior of the dc/dc converter system is simulated and analyzed. The thermal model includes a printed circuit board, integrated inductors, a heat sink, and switching devices (MOSFETs). The analyzed thermal result can help to design a converter system under severe ambient-temperature conditions.

引用

页码：520 / 530

页数：11

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