Tool allows for accurate simulation of MLCCs
The DC Bias Model is the latest addition to TDK's portfolio of technical support tools. The tool allows designers to simulate DC bias characteristics of MLCCs, even when the DC bias applied to the MLCCs varies. Due to the company's advanced electronic component model, the capacitance in the simulation changes dynamically with a changing DC bias voltage - an 'industry first' according to TDK.
TDK's existing technical support tools for MLCCs already provides data that enables the simulation of frequency characteristics. Due to the effective capacitance of high-permittivity MLCCs (Class 2) changes when a DC voltage is applied, the accurate simulation of these MLCCs in circuits must also reflect their behavior when DC bias voltage is applied. For this reason, TDK’s dynamic electronic component model is designed to simulate both the frequency and DC bias characteristics of MLCCs. Used together with the DC Super-imposition Model, which enables the simulation of both frequency and DC superimposition characteristics of TDK inductors, the new MLCC tool enhances the accuracy of circuit simulation for power supply circuits. Designers thus benefit from a further increased efficiency of electronic circuit design.
The DC Bias Model is available in the HSPICE, LTspice and PSpice formats for the most commonly used circuit simulator software and can be downloaded free of charge from the TDK Product Center.
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