1 open source board using the PCA9554A
Real designs built with the PCA9554A, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
mwrndThe PCA9554A in open source designs
The gallery holds 1 open source boards using the PCA9554A from 1 GitHub repository; a typical one measures about 70 × 47.5 mm and carries around 54 components.
100% use four copper layers or more, and 100% carry an open source license.
The most starred is QSFP Breakout by mwrnd.
What boards using the PCA9554A are built for
PCA9554A: common questions
Where can I find a PCA9554A reference design?
Each of the 1 boards on this page is a real design using the PCA9554A. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the PCA9554A?
The median is 70 × 47.5 mm, and 0% are two-layer designs.
What is the most popular open source board using the PCA9554A?
By GitHub stars, QSFP Breakout by mwrnd, with 6 stars.
Can I simulate one of these boards using the PCA9554A before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.