4 open source boards using the TCA9546AD
Real designs built with the TCA9546AD, 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.
Microchip SAMPVDX Compute Board
BrownSpaceEngineering
82.5 × 82.5 mm87 parts2LNo license1
Microchip SAMCompute4layer
82.5 × 82.5 mm87 parts4LNo license1
Microchip SAMPVDX Compute Board.recovered.2026-08-12 141520
82.5 × 82.5 mm87 parts2LNo license1
Microchip SAMPVDX Compute Board.recovered.2026-08-09 224836
82.5 × 82.5 mm86 parts2LNo license1
The TCA9546AD in open source designs
The gallery holds 4 open source boards using the TCA9546AD from 1 GitHub repository; a typical one measures about 82.5 × 82.5 mm and carries around 87 components.
75% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Compute4layer by BrownSpaceEngineering.
Microcontrollers on boards using the TCA9546AD
TCA9546AD: common questions
Where can I find a TCA9546AD reference design?
Each of the 4 boards on this page is a real design using the TCA9546AD. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the TCA9546AD use?
Most are built on Microchip SAM (4).
How big is a typical board using the TCA9546AD?
The median is 82.5 × 82.5 mm, and 75% are two-layer designs.
What is the most popular open source board using the TCA9546AD?
By GitHub stars, Compute4layer by BrownSpaceEngineering, with 1 stars.
Can I simulate one of these boards using the TCA9546AD 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.