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2 layers18 × 49.5 mmWiiu psu, the printed circuit board in 3D

Custom Wii U regulator board

Size
18 × 49.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
54
Nets
29
Pads
115
Tracks, vias
122, 118
Pours
14
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
14 Oct 2024
Updated
14 Oct 2024

Overview

Wiiu psu is an open-source printed circuit board by Lazr1026, from the Lazr1026/PSUPlusPlus repository on GitHub. It is a 2-layer board of 18 × 49.5 mm with 54 parts on 29 nets, routed with 122 tracks and 118 vias.

Its parts include 20 capacitors, 10 resistors, 5 ICs and 5 inductors. It belongs with the power boards of this library.

README

README.md

wiiu-psu

The wiiu-psu (or PSU++) is a regulator board for the Wii U, minus the core rails (1v/1.15v). It is based off the PSU-Plus, so all rails have a limit of 3A (this only really matters for 5v).

Features

  • All low-current regulators required for the Wii U to function.
  • Bonus 3v3 rail (STBY) for the RTC to power on the system.
  • 1.25v regulator for WUP-01 motherboards (or if you wanted to remove the stock one).
    • 1.25v can be enabled/disabled with a simple jumper.

The intent is to be used for the Wii U Mini, but if you find another use for this board, have at it!
There are two VIN pads. The smaller one is used to power the STBY regulator, while the bigger one is to power all of the other regulators.

Credits

CrazyGadget / YveltalGriffin: The original PSU-Plus regulator board.
BitBuilt: Being pretty fucking cool.

Parts

54
QtyValueFootprintReferences
1022uFCapacitor_SMD:C_0603_1608MetricC3, C4, C7, C8, C11, C12, C15, C16, C19, C20
6GNDTestPoint:TestPoint_Pad_2.0x2.0mmTP3, TP4, TP6, TP8, TP10, TP12
5100nFCapacitor_SMD:C_0402_1005MetricC1, C5, C9, C13, C17
510kResistor_SMD:R_0402_1005MetricR2, R4, R6, R8, R10
510uFCapacitor_SMD:C_0805_2012MetricC2, C6, C10, C14, C18
53.3uHPSU Plus:1919L1, L2, L3, L4, L5
5AP62301Z6-7PSU Plus:SOT-563modU1, U2, U3, U4, U5
231.6kResistor_SMD:R_0402_1005MetricR3, R7
11v25TestPoint:TestPoint_Pad_2.0x2.0mmTP7
11v5TestPoint:TestPoint_Pad_2.0x2.0mmTP11
13v3TestPoint:TestPoint_Pad_2.0x2.0mmTP9
15.62kResistor_SMD:R_0402_1005MetricR5
152.3kResistor_SMD:R_0402_1005MetricR1
15vTestPoint:TestPoint_Pad_2.0x2.0mmTP2
18.66kResistor_SMD:R_0402_1005MetricR9
1STBYTestPoint:TestPoint_Pad_2.0x2.0mmTP5
1SolderJumper_2_OpenJumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mmJP1
1VINTestPoint:TestPoint_Pad_2.0x2.0mmTP1
1VIN_STBYTestPoint:TestPoint_Pad_1.0x1.0mmTP13

Questions

How big is the Wiiu psu PCB?

It measures 18 × 49.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Wiiu psu use?

54 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Wiiu psu KiCad files?

From the Lazr1026/PSUPlusPlus repository on GitHub, at the commit this page was made from: the board is wiiu-psu.kicad_pcb and its schematic wiiu-psu.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Wiiu psu design in my own project?

Its repository states no licence, so its author keeps all rights: ask Lazr1026 before reusing the design.

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