Items Tagged with 'capacitors'

ARTICLES

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AI Data Centers Move Capacitors Back into the Spotlight

AI data centers are power hungry, pushing power density to new highs while requiring long-term reliability. The increasing power density, particularly at the board and rack levels, creates challenges for stability and the unpredictable high-current surges resulting from these many-core applications.  These difficulties are driving a significant amount of new development in capacitors while also inspiring the repurposing of older technologies. Sandler examines the opportunities and challenges presented by evolving demands in the power integrity sector. 


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Don't Blow Up the Universe

Best Practices: Using Ideal Models and Circuits

Ideal circuit elements are a powerful tool that enables us to explore the real world in virtual prototypes. Engineers can often gain insights and reach an optimized design faster using a virtual prototype than would be possible when building a real physical prototype.


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Contradicting the Common Belief: Decoupling Capacitors - Is More Always Better?

In the process of circuit design, electrical engineers must carefully position capacitors to decouple the power supply pins of integrated circuits (ICs). Yet, relying solely on a single capacitor for this purpose may potentially decrease the performance of the Power Delivery Network (PDN). Therefore, there exists a need for an elegant and systematic methodology in designing the PDN while utilizing a single capacitor. Within this paper, we analyze the single-capacitor scenario within the context of the PDN and introduce a systematic approach for its design. This approach not only suggests clear guidelines for when favoring a single capacitor over multiple capacitors is appropriate but also showcases that when these guidelines are exceeded, this method can be implemented recursively to achieve an optimal PDN solution.


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