A review of planar magnetic techniques and technologies

This paper presents an extensive survey of techniques and technologies used to implement planar magnetic structures in modern DC to DC converters. The survey emphasises the practical applications of these devices. The trends are analyzed in the context of the marketplace and some predictions of future direction are attempted.

[1]  V. J. Thottuvelil,et al.  Where are power supplies headed? , 2000, APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058).

[2]  J. Uceda,et al.  Errors obtained when 1D magnetic component models are not properly applied , 1999, APEC '99. Fourteenth Annual Applied Power Electronics Conference and Exposition. 1999 Conference Proceedings (Cat. No.99CH36285).

[3]  Edward J. Reardon,et al.  Novel, practical materials for embedded capacitors and resistors : an update , 2000 .

[4]  Chong H. Ahn,et al.  A DC/DC boost converter toward fully on-chip integration using new micromachined planar inductors , 1999, 30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321).

[5]  Oscar Garcia,et al.  Optimizing the performance of planar transformers , 1996, Proceedings of Applied Power Electronics Conference. APEC '96.

[6]  Peng Xu,et al.  Integrated planar inductor scheme for multi-module interleaved quasi-square-wave (QSW) DC/DC converter , 1999, 30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321).

[7]  M. H. Kuo,et al.  Effects of air gaps on winding loss in high-frequency planar magnetics , 1988, PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference.

[8]  E. Santi,et al.  Issues in flat integrated magnetics design , 1996, PESC Record. 27th Annual IEEE Power Electronics Specialists Conference.

[9]  Robert L. Steigerwald,et al.  A comparison study of low-profile power magnetics for high-frequency, high-density switching converters , 1997, Proceedings of APEC 97 - Applied Power Electronics Conference.

[10]  M. Quirke,et al.  Planar magnetic component technology-a review , 1992 .

[11]  Fred C. Lee,et al.  Leakage inductance and termination effects in a high-power planar magnetic structure , 1994, Proceedings of 1994 IEEE Applied Power Electronics Conference and Exposition - ASPEC'94.

[12]  L. Heinemann.  Modelling and design of high frequency planar transformers , 1995, Proceedings of PESC '95 - Power Electronics Specialist Conference.

[13]  Y. Katayama,et al.  High-power-density MHz-switching monolithic DC-DC converter with thin-film inductor , 2000, 2000 IEEE 31st Annual Power Electronics Specialists Conference. Conference Proceedings (Cat. No.00CH37018).

[14]  Khai D. T. Ngo,et al.  Effect of height on power density in spiral-wound power-pot-core transformers , 1992 .

[15]  Henry Shu-Hung Chung,et al.  Characterization of coreless printed circuit board (PCB) transformers , 1999, 30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321).

[16]  F. C. Lee,et al.  A comparative study of high-frequency, low-profile planar transformer technologies , 1994, Proceedings of 1994 IEEE Applied Power Electronics Conference and Exposition - ASPEC'94.

[17]  K. Ngo,et al.  Fabrication method for a winding assembly with a large number of planar layers , 1991, [Proceedings] APEC '91: Sixth Annual Applied Power Electronics Conference and Exhibition.

[18]  Charles R. Sullivan,et al.  Microfabrication of transformers and inductors for high frequency power conversion , 1993, Proceedings of IEEE Power Electronics Specialist Conference - PESC '93.

[19]  S.C.O. Mathuna,et al.  New Integrated Planar Magnetic Cores for Inductors and Transformers Fabricated in MCM-L Technology , 1999 .

[20]  P. G. Barnwell,et al.  Low profile high frequency power supplies using thick film planar transformers , 2002 .

[21]  L. F. Casey,et al.  A high-frequency, low volume, point-of-load power supply for distributed power systems , 1988 .

[22]  P. L. Dowell,et al.  Effects of eddy currents in transformer windings , 1966 .

[23]  B. Jacobson,et al.  Planar integrated magnetics assembly for high voltage converters , 2000, APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058).

[24]  Norbert Frohleke,et al.  Computer aided optimization of multi-winding transformers for SMPS considering HF-effects , 1994, Proceedings of 1994 IEEE Industry Applications Society Annual Meeting.

[25]  J.D. van Wyk,et al.  Power electronic subassemblies with increased functionality based on planar sub-components , 2000, 2000 IEEE 31st Annual Power Electronics Specialists Conference. Conference Proceedings (Cat. No.00CH37018).

[26]  F. C. Lee,et al.  Design of a high density low-profile transformer , 1996, Proceedings of Applied Power Electronics Conference. APEC '96.

[27]  F. C. Lee,et al.  Two dimensional field solutions for high frequency transformer windings , 1993, Proceedings of IEEE Power Electronics Specialist Conference - PESC '93.

[28]  Fred C. Lee,et al.  Edge effect analysis in a high-frequency transformer , 1994, Proceedings of 1994 Power Electronics Specialist Conference - PESC'94.

[29]  Fred C. Lee,et al.  Design of high-frequency hybrid power transformer , 1988, APEC '88 Third Annual IEEE Applied Power Electronics Conference and Exposition.

[30]  G. Bloom,et al.  Multi-chambered planar magnetics design techniques , 2000, 2000 IEEE 31st Annual Power Electronics Specialists Conference. Conference Proceedings (Cat. No.00CH37018).

[31]  Xu Huang,et al.  Design techniques for planar windings with low resistances , 1995, Proceedings of 1995 IEEE Applied Power Electronics Conference and Exposition - APEC'95.

[32]  Yim-Shu Lee,et al.  Design and application of high-frequency and low-profile power transformers , 1999, Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475).

[33]  C. P. Henze.  Electric vehicle charger with printed circuit board magnetic components , 2000, APEC 2000. Fifteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.00CH37058).

[34]  Charles R. Sullivan,et al.  Converter and inductor design for fast-response microprocessor power delivery , 2000, 2000 IEEE 31st Annual Power Electronics Specialists Conference. Conference Proceedings (Cat. No.00CH37018).

[35]  C. P. Henze,et al.  Development of a DC-to-DC power converter , 1989, Proceedings, Fourth Annual IEEE Applied Power Electronics Conference and Exposition.

[36]  V. W. Quinn.  Calculation and measurement of power dissipation and energy storage in a high frequency planar transformer , 1994, Proceedings of 1994 IEEE Applied Power Electronics Conference and Exposition - ASPEC'94.