9 open source boards using the TL431DBZ

Real designs built with the TL431DBZ, 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 TL431DBZ in open source designs

The gallery holds 9 open source boards using the TL431DBZ from 8 GitHub repositories; a typical one measures about 100 × 65.2 mm and carries around 85 components.

56% use four copper layers or more, and 89% carry an open source license.

The most starred is Lite Carrier for LattePanda Mu by LattePandaTeam.

Parts used alongside the TL431DBZ

Microcontrollers on boards using the TL431DBZ

TL431DBZ: common questions

Where can I find a TL431DBZ reference design?

Each of the 9 boards on this page is a real design using the TL431DBZ. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the TL431DBZ?

The CH224K, LattePanda_Mu, SY8253ADC and ULC0524P appear in the most repositories here.

Which microcontrollers do boards using the TL431DBZ use?

Most are built on Raspberry Pi (2) and RP2040/RP2350 (1).

How big is a typical board using the TL431DBZ?

The median is 100 × 65.2 mm, and 44% are two-layer designs.

What is the most popular open source board using the TL431DBZ?

By GitHub stars, Lite Carrier for LattePanda Mu by LattePandaTeam, with 305 stars.

Can I simulate one of these boards using the TL431DBZ 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.

Browse boards by part