11 open source boards using the TPS61221
Real designs built with the TPS61221, 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.
AVR/ArduinoBOX-2252
fallberg
50.5 × 70 mm60 parts2LCERN-OHL-1.27
Ally24
hatanoh
270.3 × 92.3 mm101 parts2LNo license4
AVR/ArduinoBusiness card
roepkefeller
85.6 × 54 mm50 parts2LNo license1
AVR/ArduinoLE-BOX-0028
76 × 96 mm60 parts2LCERN-OHL-1.27
Ally13
261.3 × 79.9 mm99 parts2LNo license4
AVR/ArduinoMySensorsNode
50 × 50 mm58 parts2LCERN-OHL-1.27
N30aj
251.8 × 59.5 mm95 parts2LNo license4
N31
241.7 × 61.9 mm81 parts2LNo license4
Ally24 Top
270.3 × 92.3 mm58 parts2LNo license4
Ally13 Top
261.3 × 79.9 mm57 parts2LNo license4
N30ajTop
251.8 × 59.5 mm54 parts2LNo license4
The TPS61221 in open source designs
The gallery holds 11 open source boards using the TPS61221 from 3 GitHub repositories; a typical one measures about 251.8 × 70 mm and carries around 60 components.
100% are two-layer designs, the rest use four layers or more, and 27% carry an open source license.
The most starred is LE-BOX-0028 by fallberg.
Microcontrollers on boards using the TPS61221
What boards using the TPS61221 are built for
TPS61221: common questions
Where can I find a TPS61221 reference design?
Each of the 11 boards on this page is a real design using the TPS61221. 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 TPS61221 use?
Most are built on AVR/Arduino (4).
How big is a typical board using the TPS61221?
The median is 251.8 × 70 mm, and 100% are two-layer designs.
What is the most popular open source board using the TPS61221?
By GitHub stars, LE-BOX-0028 by fallberg, with 7 stars.
Can I simulate one of these boards using the TPS61221 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.