Abstract
This paper presents the design and modeling of planar inductor and transformer for their integration in a Forward converter. The windings are of octagonal spiral planar topology. Basing on Wheeler method, we evaluate the inductance values of planar coils. All parasitic effects generated by stacking of different material layers are summarized perfectly in the π-electrical model of both on chip inductor and transformer. The electromagnetic simulation, by using COMSOL Multiphysics 5.3 software, illustrates the distribution of magnetic field lines, the current density and the temperature distribution in our integrated micro coils. To validate the different geometric and electrical parameters values, we have simulated the circuit of the Forward converter containing the π-electrical circuit of on chip integrated inductor and transformer, using the software TINA 9.0.
Published Version
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