Integrated architectures for power electronic circuits have been a subject of recent interest.udIntegration offers several benefits such as reliability, control on parasitic elements related to discreteudcomponents, and ease of manufacture. The main objective of this particular research has been toudcontribute towards effective modelling of integrated passive circuits operating in power electronicudcircuits.udIntegrating passive components in one distributed space can be difficult to understand, and hence touddesign. Field electromagnetics is often unwieldy for a power electronics circuit designer, so audSPICE-like circuit simulator is often an effective design environment. This dissertation closelyudexamines both lumped and distributed SPICE-compatible models.udFour SPICE-compatible models have been investigated by comparing them with an analyticaluddistributed solution. This analytical solution is used to thoroughly derive the causes of all resonanceudpoints, as well as impedances at low/high frequencies; which are the important factors thatudcharacterize the integrated passive. This analytical solution is only implemented in a narrow rangeudof boundary conditions; hence the SPICE-compatible methods must be developed, since SPICEudthen handles the algorithmic work of handling the more complicated boundary conditions found inudpower electronics.
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