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The PCB Layout Guide to Signal and Power Integrity

Published Date
Author Kirsch Mackey

Learn all about signal and power integrity in PCB design with this comprehensive guide. Learn how layout decisions impact performance and discover strategies for reliable, high-speed designs.

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Discover the critical connection between signal integrity (SI) and power integrity (PI) in PCB design. This guide dives into the physics of layout-driven electrical performance, explaining how trace geometry, stackup configuration, and material choices impact signal clarity and power stability. Learn how improper routing can lead to system crashes, data corruption, and customer dissatisfaction, and explore practical solutions like impedance control, return path continuity, and via optimization. Whether you're tackling high-speed signals or ensuring robust power delivery, this resource equips you with the knowledge to design reliable, high-performance PCBs.

About the Author

Kirsch Mackey is an electrical engineer, educator, and content creator with over 15 years of experience spanning power systems, control systems, electrical systems, embedded programming, PCB design, power electronics, and high-speed digital systems. As founder of HaSofu and former adjunct professor, he developed the MESH method—a structured approach to high-speed PCB design that has helped students land roles at companies like Apple, Intel, Cisco, Garmin and Amazon in months rather than years. Drawing from industry experience at Intel and beyond, Kirsch bridges theory and practice through technical writing, courses, and hands-on workshops that make complex engineering concepts accessible and actionable.

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