Design For Excellence: Inductor Form, Fit, Function Equivalence & New Design RulesAuthors: Matt Kelly, Mitch Ferrill, Mark Jeanson, Jesus Montanez, Timothy Jennings
Company: IBM Corporation and Celestica International
Date Published: 9/17/2017 Conference: SMTA International
Over the past two years, significant work was conducted by the authors in the areas of inductor part equivalence, PCBA physical designs using inductors, and increased understanding of important reliability considerations.
The paper discusses the findings from this work with focus on two critical elements important to the operation and reliability of coil inductors. These focus items address (1) the evaluation of component physical form and fit equivalence of inductors and (2) the implementation of new design review tools and rules intended to keep functionally unrelated vias, power/ground shapes, and signal traces outside of inductor body areas.
The intent of the paper is to discuss the importance of properly determining inductor equivalence, and to discuss new automated software tool capability that has been developed to ensure highest quality implementation of inductors within Enterprise Class Server and Storage hardware.
design for excellence, inductors, inductor equivalence, automated design review tools
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