1 open source board using the TL431A
Real designs built with the TL431A, 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.
The TL431A in open source designs
The gallery holds 1 open source boards using the TL431A from 1 GitHub repository; a typical one measures about 30 × 79 mm and carries around 41 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Usbc power by SoukeyCircuits.
What boards using the TL431A are built for
TL431A: common questions
Where can I find a TL431A reference design?
Each of the 1 boards on this page is a real design using the TL431A. 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 TL431A?
The median is 30 × 79 mm, and 100% are two-layer designs.
What is the most popular open source board using the TL431A?
By GitHub stars, Usbc power by SoukeyCircuits, with 52 stars.
Can I simulate one of these boards using the TL431A 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.