Integrated flex winding realization for 3D PCB converters

E.C.W. de Jong, J.A. Ferreira, P. Bauer

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

7 Citations (Scopus)


The implementation of flexible printed circuit technology in power magnetic winding design is investigated. At first this implementation is considered as a stand-alone winding technology for discrete magnetic components and thereafter it is applied as an integral winding technology, enabling enhanced manufacturing possibility for an integrated 3D converter concept, discussed herein. Optimization of both the material- and layer usage in the winding stack realization is found to be the key to minimizing the manufacturing cost of such a PCB fabricated winding stack, as well as improving its interconnection reliability. The associated folding pattern of the winding panels, in conjunction with the winding patterns themselves, receive meticulous attention during the proposed winding design method. The manufacturing complexity and cost advantages of using double sided, flexible printed circuit technology to realize a planar winding stack by the proposed folding method, that would otherwise require a substantial number of costly, rigid printed circuit layers, is brought to the forefront. Also the possibility to exploit the parasitic elements of the magnetic component as functional resonant tank elements, using the folding pattern design is investigated. Practical validation of an integrated magnetic component suitable for a 3D PCB converter is presented along with critical evaluation of the results.
Original languageEnglish
Title of host publication2006 37th IEEE Power Electronics Specialists Conference
PublisherInstitute of Electrical and Electronics Engineers
Number of pages7
ISBN (Print)0-7803-9716-9
Publication statusPublished - 2006
Externally publishedYes
Event37th IEEE Power Electronics Specialists Conference (PESC 2006 - Jeju, Korea, Republic of
Duration: 18 Jun 200622 Jun 2006
Conference number: 37


Conference37th IEEE Power Electronics Specialists Conference (PESC 2006
Abbreviated titlePESC '06
Country/TerritoryKorea, Republic of


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