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 modeling 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 Y 11 and Y 12 parameters on all the broad band frequency.
Abstract. These last years, the miniaturization of electronic components allows to increase the number of equipment. Consequently, the realization of integrated inductors with high inductance and low-cost manufacturing is highly desirable. The objective of our work is the characterization of inductors with one or two magnetic layers in order to integrate these components in low-power converters (1W). Extracted parameters show a strong increase of the inductance either by simulation or by measurement according to the magnetic thickness layer. For inductance with two magnetic layers, inductance value is higher when the bottom YIG layer thickness is higher than the top YIG layer thickness.
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