Development of an electrical model for integrated magnetic inductors

E-ISSN： 2100-014x|75|issue|06011-06011

ISSN： 2100-014x

Source： EPJ Web of Conference, Vol.75, Iss.issue, 2014-07, pp. : 06011-06011

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Abstract

Nowadays, the current trend consists in the development of new technologies with the aim of reducing volume, weight as well as production cost. With the aim of decreasing occupied component area, it will be interesting to use magnetic materials to confine the fields. Therefore, our works concern the modelling and the characterization of magnetic planar inductors. The proposed model is detailed for inductors fabricated with one magnetic layer. The model can take into account, the capacitance between turns and the capacitance between the last turn and the ground plane, the magnetic permeability, the skin and proximity effects of the conductors according to the frequency. The structure of optimization developed to extract the parameters of the model will be presented. Results of extracted parameters are compared with the simulation parameters. A good correlation is observed on Y₁₁ and Y₁₂ parameters on all the broad band frequency.