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Current Distribution, Resistance & Inductance in Power Connectors

Adam Gregory (Signal Integrity Engineer, Samtec)

Istvan Novak (Signal Integrity Engineer, Samtec)

Clement Luk (Signal Integrity Engineer, Samtec)

Gustavo Blando (Signal Integrity Engineer, Samtec)

Location: Ballroom G

Date: Wednesday, January 29

Time: 11:00am - 11:45am

Track: 10. Power Integrity in Power Distribution Networks, 13. Modeling & Analysis of Interconnects

Format: Technical Session

Pass Type: 2-Day Pass, All-Access Pass, Alumni All-Access Pass - Get your pass now!

Vault Recording: TBD

Audience Level: All

This paper will analyze the frequency dependent resistance and inductance of power connector pin patterns. The details of a single power pin will be analyzed, and the final results will come from parametric studies of pin arrays that are part of specific printed circuit board layouts. The results of this study will have 2 significant outcomes to the designer utilizing a power connector. 1) A layout that minimizes individual power pin current will minimize system power consumption. 2) An accurate representation of frequency dependent resistance and inductance can be used to strategically optimize signal-to-power pin isolation to reduce noise.

Takeaway

Layered metal in power connector pins impact low and high frequency inductance and resistance differently. Current distribution and noise coupling varies with pin assignment and layout of connected boards.