Eurorack psu
About the Eurorack psu PCB
Eurorack psu is an open source PCB design by polykit, published on GitHub. It is a 2-layer board measuring 117 × 72 mm, with 30 components from 13 distinct parts.
Other key parts include the L7812, L7912 and L7805. By type, the board carries 12 capacitors, 9 diodes, 3 ICs, 3 connectors and 3 resistors.
It belongs with the audio and power & battery designs in this gallery.
From the project
Eurorack Power Supply +12V -12V +5V
This repository contains KiCad schematics and PCB layout for an Eurorack power supply. It delivers +12V, -12V and +5V. A 12V AC/AC 1A to 2A wall wart power supply is needed. Gerber files can be found here
\** alternative connector to barrel jack
http://musicfromouterspace.com/analogsynth_new/WALLWARTSUPPLY/WALLWARTSUPPLY.php
Main components on the Eurorack psu
Eurorack psu bill of materials (BOM)
30 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | L7812 | TO-220-3_Vertical | U1 |
| 1 | L7912 | TO-220-3_Vertical | U2 |
| 1 | L7805 | TO-220-3_Vertical | U3 |
| 1 | 12V AC | BarrelJack_Horizontal | J1 |
| 1 | Connector_Generic:Conn_02x08_Odd_Even | IDC-Header_2x08_P2.54mm_Vertical | J2 |
| 1 | Conn_02x05_Odd_Even | IDC-Header_2x05_P2.54mm_Vertical | J4 |
| 8 | 1N4004 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 |
| 1 | LED | LED_D5.0mm | D9 |
| 6 | 3300uF | CP_Radial_D18.0mm_P7.50mm | C1, C2, C3, C4, C5, C6 |
| 3 | 1uF | CP_Radial_D5.0mm_P2.50mm | C7, C8, C11 |
| 3 | 100uF | CP_Radial_D6.3mm_P2.50mm | C9, C10, C12 |
| 2 | 3k3* | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 1 | 330 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
Eurorack psu design files
The KiCad project lives in the polykit/eurorack-psu repository on GitHub; these links point at the commit this page was built from.
- Layouteurorack-psu.kicad_pcb
Eurorack psu: common questions
How big is the Eurorack psu PCB?
The Eurorack psu measures 117 × 72 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Eurorack psu?
30 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Eurorack psu design files?
From the polykit/eurorack-psu repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Eurorack psu design in my own project?
The repository has no license, so all rights stay with polykit. Use it as a reference, and ask the author before reusing the design.
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