HardLabs

Power board

FOSDEM·video·hardware/pcbs/power_board/power_board.kicad_pcb

Power board layout, top view — open source board by FOSDEM

About the Power board

Power board is an open source PCB design by FOSDEM, published on GitHub. It is a 2-layer board measuring 109.5 × 76 mm, with 150 components from 44 distinct parts.

Other key parts include the VRB1205S-6WR3, LTV-247, NCP380, EMC2305 and 4069. By type, the board carries 61 resistors, 41 capacitors, 17 connectors, 15 ICs, 9 transistors and 3 diodes.

It belongs with the sensors designs in this gallery.

From the project

This is a PCB with the following features: - Passthrough, filtering and fusing of 12V power from the PSU - GPIO passthrough and level shifting for: - PWM fans - Buttons with LEDs (or just buttons, or just LEDs) - like this one - A temperature sensor - USB3 passthrough - External

This is a PCB with the following features: - Passthrough, filtering and fusing of 12V power from the PSU - GPIO passthrough and level shifting for: - PWM fans - Buttons with LEDs (or just buttons, or just LEDs) - like this one - A temperature sensor - USB3 passthrough - External USBs with isolated grounds for charging, designed to be able to power Sennheiser AVX receivers

Main components on the Power board

VRB1205S-6WR3LTV-247NCP380EMC23054069TCA9534LMR38020TMP1075D

Power board bill of materials (BOM)

150 components, 44 distinct parts.

QtyPartRefs
4
VRB1205S-6WR3
U1, U4, U6, U8
1
LTV-247
U2
4
NCP380
U3, U5, U7, U9
1
EMC2305
U10
1
4069
U11
1
TCA9534
U12
2
LMR38020
U13, U14
1
TMP1075D
U15
5
BSS138
Q1, Q2, Q5, Q6, Q7
4
IRML6401
Q3, Q4, Q8, Q9
1
Header_01x04
J1
2
USB3_A
J2, J3
4
USB_A
J4, J5, J6, J7
4
Header_01x03
J8, J9, J10, J11
1
Header_02x06
J12
1
Barrel Jack
J13
2
ScrewTerminal_02
J14, J15
2
MTA100_02
J16, J17
1
Fuse
F1
1
OSTSLT3E34X-3F3C
D1
Show 24 more
QtyPartRefs
1
S2A
D2
1
Zener 15V
D3
1
22μH
L1
2
15μH
L2, L3
14
1μF
C1, C3, C4, C7, C8, C11, C12, C15 +6
7
10μF
C2, C6, C10, C14, C18, C19, C21
10
100μF
C5, C9, C13, C17, C24, C26, C33, C34 +2
4
22μF
C23, C25, C38, C40
1
220μF
C27
5
100nF
C28, C29, C30, C31, C37
11
10kΩ
R1, R2, R3, R4, R25, R26, R29, R38 +3
12
10Ω
R5, R10, R15, R20, R28, R40, R43, R44 +4
10
100kΩ
R6, R11, R16, R21, R32, R33, R34, R35 +2
9
4.7kΩ
R7, R12, R17, R22, R27, R39, R42, R57 +1
4
36kΩ
R8, R13, R18, R23
4
100Ω
R9, R14, R19, R24
1
15kΩ
R30
1
33kΩ
R31
3
1.8kΩ
R47, R48, R49
2
47kΩ
R50, R51
1
30kΩ
R52
1
7.5kΩ
R53
1
31.6kΩ
R54
1
13.7kΩ
R55

Power board design files

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

Power board: common questions

How big is the Power board?

The Power board measures 109.5 × 76 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Power board?

150 components, from 44 distinct parts. The full bill of materials is listed on this page.

Where can I download the Power board design files?

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

Can I use the Power board design in my own project?

The repository has no license, so all rights stay with FOSDEM. Use it as a reference, and ask the author before reusing the design.

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