2 open source boards using the PCA9544APWR
Real designs built with the PCA9544APWR, 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.
Riser Tioga Pass 2OU 2xPCIe x16
SesameEngineering
156.4 × 80 mm211 parts6LNo license1
Riser Leopard 2OU PCIe x16 2xOculink
156.4 × 78.7 mm80 parts6LNo license1
The PCA9544APWR in open source designs
The gallery holds 2 open source boards using the PCA9544APWR from 1 GitHub repository; a typical one measures about 156.4 × 79.3 mm and carries around 146 components.
100% use four copper layers or more, and 0% carry an open source license.
The most starred is Riser Tioga Pass 2OU 2xPCIe x16 by SesameEngineering.
PCA9544APWR: common questions
Where can I find a PCA9544APWR reference design?
Each of the 2 boards on this page is a real design using the PCA9544APWR. 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 PCA9544APWR?
The median is 156.4 × 79.3 mm, and 0% are two-layer designs.
What is the most popular open source board using the PCA9544APWR?
By GitHub stars, Riser Tioga Pass 2OU 2xPCIe x16 by SesameEngineering, with 1 stars.
Can I simulate one of these boards using the PCA9544APWR 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.