2 layers187.2 × 26.6 mm
2 layers150 × 142 mm
Max power
doragasu/max-powerThis is just a dumb PCB that I designed to end with the big mess of wall adapters I have under my TV, powering two RaspberryPi boards, several hard disks, routers, a USB hub, an HDMI to optical splitter, and maybe…
- Size
- 150 × 142 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 31
- Pads
- 193
- Tracks, vias
- 156, 93
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 5 (file 20170123)
- Created
- 7 Jan 2017
- Updated
- 5 Feb 2017
Overview
Max power is an open-source printed circuit board by doragasu, from the doragasu/max-power repository on GitHub. It is a 2-layer board of 150 × 142 mm with 50 parts on 31 nets, routed with 156 tracks and 93 vias.
Its parts include 25 capacitors, 13 connectors, 5 resistors, 1 diode and 1 transistor. It belongs with the interfaces and adapters boards of this library.
README
README.mdmax-power: Multi ATX Cross Power
This is just a dumb PCB that I designed to end with the big mess of wall adapters I have under my TV, powering two RaspberryPi boards, several hard disks, routers, a USB hub, an HDMI to optical splitter, and maybe something more I'm missing right now. The board provides the following outputs:
- 2x5V standby (USB-A, always ON)
- 4x5V (USB-A)
- 6x12V (Terminal blocks)
- 4x3.3V (Terminal blocks)
It also features a power button and a power LED.
Usage
The board must be connected at least to an ATX power source (I use a very old 300W one) and to a Raspberry Pi (that will be always powered, I connect the one I use as home server). This RPi is connected to an internal ATX +5V_SB rail, so as long as the ATX PS is powered, so will be this RPi. To power ON/OFF all the power outputs (other than the +5V_SB ones), a small program on the RPi monitors:
- The power button on the board; and
- The network for specially crafted packets.
This way the PS can be switched ON/OFF either by pressing the power button, or by using an application (e.g. on a smartphone) to send power ON/OFF commands.
Licenses
Footprints and 3D modules under fp directory, have been obtained from http://smisioto.no-ip.org/elettronica/kicad/kicad-en.htm, and are under GPLv3 license. All other hardware CAD files in this repository are licensed under the CERN OHL 1.2 license.
Software sources under this repository are licensed under the GPLv3+ license.
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | 100u | Capacitors_THT:C_Radial_D5_L11_P2 | C5, C6, C7, C16, C17, C18, C19, C20, C21, C24, C25, C26, C27 |
| 8 | 680u | Capacitors_THT:C_Radial_D10_L13_P5 | C1, C2, C3, C4, C8, C10, C12, C14 |
| 5 | R | Resistors_SMD:R_0805 | R1, R2, R3, R4, R5 |
| 4 | 100n | Capacitors_SMD:C_0805 | C9, C11, C13, C15 |
| 4 | CONN_01X09 | doragasu:USB_A_STACKED | P5, P8, P9, P10 |
| 2 | CONN_01X02 | Sockets_MOLEX_KK-System:Socket_MOLEX-KK-RM2-54mm_Lock_2pin_straight | P6, P7 |
| 2 | CONN_01X04 | Additional connectors:conn_hdd_15-24-4449 | P1, P2 |
| 1 | 2N7002 | TO_SOT_Packages_SMD:SOT-23 | Q1 |
| 1 | ATX-PWR-24P | doragasu:ATX_PWR_CON | P3 |
| 1 | CONN_01X02 | Sockets_MOLEX_KK-System:Socket_MOLEX-KK-RM3-96mm_Lock_2pin_straight | P11 |
| 1 | CONN_02X04 | doragasu:TERM_BLOCK_4x2_5.08 | P13 |
| 1 | CONN_02X05 | Connectors:IDC_Header_Straight_10pins | P4 |
| 1 | CONN_02X06 | doragasu:TERM_BLOCK_6x2_5.08 | P12 |
| 1 | LED | LEDs:LED-5MM | D1 |
| 1 | SW_PUSH | Buttons_Switches_THT:SW_PUSH_SMALL | SW1 |
The 46 most common of 50 parts.
Questions
How big is the Max power PCB?
It measures 150 × 142 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Max power use?
50 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 Max power KiCad files?
From the doragasu/max-power repository on GitHub, at the commit this page was made from: the board is sch/max-power/max-power.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Max power design in my own project?
Its repository states no licence, so its author keeps all rights: ask doragasu before reusing the design.
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