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TDK extends technical support tools for MLCCs

Posted: 10 Jul 2014     Print Version  Bookmark and Share

Keywords:TDK  MLCC  DC bias voltage  inductor 

TDK Corp. has announced an expanded technical support tools for MLCCs. According to the company, the latest DC Bias Model enables designers to simulate DC bias characteristics of MLCCs, even when the DC bias applied to the MLCCs varies.

As a result of TDK's advanced electronic component model, the capacitance in the simulation changes dynamically with a changing DC bias voltage, an industry first, boasted the company. Until now, the available simulation libraries only offered models for one specific DC bias voltage at a time. The DC Bias Model is available in the HSPICE, LTspice and PSpice formats for the most commonly used circuit simulator software.

With its existing technical support tools for MLCCs, TDK provides data that enable the simulation of frequency characteristics. Because 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 behaviour 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 MLCC tool enhances the accuracy of circuit simulation for power supply circuits. Designers thus benefit from a further increased efficiency of electronic circuit design.

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