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Using MLCCs as Resonant Capacitors in Wireless Charging for EVs
Wireless Power Transfer circuits demand stable high capacitance, high voltage capacitors to act as the tank capacitor in the LC resonant circuit. Multi-Layer Ceramic Capacitors (MLCCs) are increasingly used for this application due to their volumetric efficiency and cost effective mounting techniques, but there are caveats that need to be followed to achieve reliable operation. This presentation addresses these issues and goes into greater depth on some of the aspects that must be considered in MLCC use. Webinar attendees will learn more about:

-circuit design for balancing current flow;
-the constraints of MLCCs including temperature rise
-thermal management; and
-alternative assemblies.

00:39:00

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Speakers

Matt Johnson
Applications Engineer @Applications Engineer
Matt Johnson is an Applications and R&D Engineer at Knowles Precision Devices. As a division of Knowles Corporation, Knowles Precision Devices (KPD) focuses on production of a wide variety of highly engineered capacitors and microwave to millimeter-wave components for use in critical applications in military, medical, electric vehicle, and 5G market segments. Matt has over 15 years of experience in Electronic Engineering, assembly and testing, Control Systems Engineering and Product Development for equipment/machinery manufacturing companies.