OptimizePI v. 2.1 pre-layout selection and placement of decoupling capacitors for power delivery networks in PCBs and IC packages. Analysis-based flow is said to fully automate design setup and electrical analysis tasks associated with pre-layout decoupling capacitor planning. Quickly provides optimized initial decoupling capacitor designs that are near-final in nature. Reportedly reduces subsequent design iterations and provides high-quality power delivery networks to help mitigate simultaneous switching output (SSO) and other issues. Describes stack-up attributes, plane size and shape, decoupling capacitor placement guidelines and a library of candidate decoupling capacitors. Electromagnetic simulation engine, combined with a highly efficient genetic optimization algorithm, rapidly analyzes feasible implementation options; it takes into account electromagnetic field propagation inside the power system, device locations and mounting parasitics of decoupling capacitors. Presents list of candidate design schemes organized by performance and cost profiles.

Sigrity, www.sigrity.com

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