HardLabs

Computing power hub

bluesatunsw·owr·src/computing_power_hub_elec/computing-power-hub.kicad_pcb

Computing power hub PCB layout, top view — open source STM32 board by bluesatunsw
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About the Computing power hub PCB

Computing power hub is an open source STM32 PCB design by bluesatunsw, published on GitHub under the Apache-2.0 license. It is a 6-layer board measuring 70 × 45 mm, with 182 components from 63 distinct parts.

Its main chip is the STM32G474_ComputePower, from the STM32 family. Other key parts include the TCAN1462V, ZD24C128A, LM5148, TPS54560BDDA and TPS61175. By type, the board carries 71 capacitors, 64 resistors, 12 diodes, 10 connectors, 8 ICs and 6 inductors.

From the project

This repo includes all software necessary to operate the Test Rover Platform that is being designed and developed in the 502 project.

A device which provides and monitors regulated rails for communications (passive 24V POE), computing (19V), cameras (12V) and lighting (5V) devices. It complies with the common device specification 2025-04.

The high current 5V and 12V rails replace the regular rails in the common device specification.

The board has a pair of RJ45 sockets, the Ethernet signal is passed between these ports with a POE power injected into one of the ports.

Main components on the Computing power hub

STM32G474_ComputePowerTCAN1462VZD24C128ALM5148TPS54560BDDATPS61175AP62200TWU

Computing power hub bill of materials (BOM)

182 components, 63 distinct parts.

QtyPartRefs
1
STM32G474_ComputePower
U101
1
TCAN1462V
U102
1
ZD24C128A
U103
1
LM5148
U201
2
TPS54560BDDA
U220, U230
1
TPS61175
U240
1
AP62200TWU
U250
2
IRFH7440TRPBF
Q210, Q211
2
SSM3K333R
Q301, Q303
1
BC846S
Q302
1
24Mhz
Y101
1
IDC_6P
J101
4
BM03B-PASS
J105, J106, J107, J108
1
SM02B-PASS
J109
1
XT30M
J310
2
BM08B-PASS
J320, J321
1
S2P-VH
J330
4
10k
TH101, TH102, TH103, TH104
1
G2419S
TR101
3
WS2812B-2020
D101, D102, D105
Show 43 more
QtyPartRefs
1
3V3
D104
4
SBR0240LP-7
D201, D202, D203, D204
3
D_Schottky_Small
D220, D230, D240
1
30V
D310
1
4u7
L210
1
4u7
L220
1
2u2
L230
2
15u
L240, L250
1
600R
L260
20
220n
C101, C114, C115, C116, C117, C118, C120, C121 +12
2
10p
C106, C107
4
100p
C108, C109, C110, C111
6
10n
C112, C216, C236, C242, C245, C311
3
33n
C202, C203, C241
4
4u7
C210, C214, C220, C230
6
2u2
C211, C260, C301, C302, C303, C304
3
100n
C213, C223, C233
2
270u
C215, C310
1
330n
C217
2
3n3
C221, C231
3
33p
C222, C232, C252
2
4u7
C224, C240
2
68u
C225, C244
2
22u
C234, C235
4
2u2
C243, C250, C306, C307
1
10u
C253
4
1n
C320, C321, C322, C323
22
10k
R101, R102, R119, R201, R210, R212, R217, R220 +14
5
1k
R115, R352, R353, R354, R355
1
470R
R116
4
2k2
R120, R121, R122, R123
8
100k
R211, R219, R221, R223, R231, R248, R303, R351
1
6k8
R213
1
33k
R214
3
22k
R215, R242, R250
5
220k
R216, R222, R232, R244, R310
3
47k
R224, R233, R241
2
4k7
R234, R243
1
1k5
R247
2
50m
R301, R356
4
47R
R320, R321, R322, R323
1
100m
R324
1
20m
R330

Computing power hub design files

The KiCad project lives in the bluesatunsw/owr repository on GitHub; these links point at the commit this page was built from.

Computing power hub: common questions

What microcontroller does the Computing power hub use?

The Computing power hub is built around the STM32G474_ComputePower, from the STM32 family.

How big is the Computing power hub PCB?

The Computing power hub measures 70 × 45 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the Computing power hub?

182 components, from 63 distinct parts. The full bill of materials is listed on this page.

Where can I download the Computing power hub design files?

From the bluesatunsw/owr repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Computing power hub design in my own project?

Yes, under the terms of its Apache-2.0 license, which bluesatunsw chose for the repository.

Can I test firmware for the Computing power hub without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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