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CM4ClusterHat

will127534·Miniature-CM4-Cluster·ClusterHat/CM4ClusterHat.kicad_pcb

CM4ClusterHat PCB layout, top view — open source RP2040/RP2350 board by will127534
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About the CM4ClusterHat PCB

CM4ClusterHat is an open source RP2040/RP2350 PCB design by will127534, published on GitHub under the MIT license. It is a 4-layer board measuring 87.3 × 56.7 mm, with 240 components from 62 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the TVS1801DRBR, RTL8367N, AT25SF081-SSHD-X, D3V3F4U10LP-7 and USB2517-JZX. By type, the board carries 109 capacitors, 79 resistors, 14 ICs, 12 diodes, 9 connectors and 5 inductors.

From the project

A dense cluster for four Raspberry Pi Compute Module 4

CM4ClusterHat, from the project README
From the project README

Main components on the CM4ClusterHat

TVS1801DRBRRTL8367NAT25SF081-SSHD-XD3V3F4U10LP-7USB2517-JZXINA22624LC08XTPS563202DRLREMC2301W25Q128JVSRP2040

CM4ClusterHat bill of materials (BOM)

240 components, 62 distinct parts.

QtyPartRefs
1
TVS1801DRBR
IC1
1
RTL8367N
U1
1
AT25SF081-SSHD-X
U2
2
D3V3F4U10LP-7
U3, U9
1
USB2517-JZX
U4
1
INA226
U5
1
24LC08
U6
3
XTPS563202DRLR
U7, U12, U13
1
EMC2301
U8
1
W25Q128JVS
U14
1
RP2040
U15
1
Fan_Tacho_PWM
M1
1
Crystal_GND24
Y1
1
24Mhz
Y2
1
25Mhz
Y4
4
Bus_M.2_Socket_M
J1, J2, J3, J4
1
Raspberry_Pi_2_3
J5
1
QWIIC_CONNECTORJS-1MM
J6
1
RB1-125B8G1A
J7
1
DC-005
CONN-POWER-JACK-2.1MM_DC-005_
J8
Show 42 more
QtyPartRefs
1
USB_C_Receptacle_USB2.0
J9
4
MountingHole
H1, H2, H3, H4
3
SolderJumper_2_Open
JP1, JP2, JP3
1
SIP32429DN-T1-GE4
PS1
12
LED
D1, D2, D3, D4, D5, D8, D10, D15 +4
2
L
L1, L5
1
1.2uH
L2
1
4.7uH
L3
1
3.3uH
L4
76
100nF
C1, C2, C4, C6, C7, C9, C10, C11 +68
1
1nF
C3
4
10uF
C5, C14, C92, C93
4
22uF
C8, C97, C98, C99
2
27p
C15, C16
10
100n
C18, C20, C21, C23, C25, C26, C27, C28 +2
2
1u
C22, C24
4
1uF
C33, C37, C39, C42
2
100nF
C38, C41
2
33pF
C47, C49
2
16pF
C83, C89
5
100K
R1, R2, R25, R26, R28
2
10R
R3, R4
8
4.7K
R5, R6, R50, R53, R54, R56, R59, R60
11
1k
R7, R8, R9, R15, R17, R37, R39, R66 +3
3
30K
R10, R13, R176
2
10K
R11, R75
1
1.82K
R12
2
82K
R14, R177
1
DNF
R16
2
27
R18, R19
8
10K
R20, R21, R22, R23, R29, R62, R63, R65
7
4.7K
R24, R38, R69, R70, R71, R72, R73
1
12K
R27
1
1M
R40
6
DNP
R51, R52, R55, R57, R58, R61
1
2.49K
R64
1
DNP
R68
1
52K
R74
12
100R
R76, R77, R78, R79, R80, R81, R82, R83 +4
2
100R
R166, R174
1
0R1
R173
1
100K
R175

CM4ClusterHat design files

The KiCad project lives in the will127534/Miniature-CM4-Cluster repository on GitHub; these links point at the commit this page was built from.

CM4ClusterHat: common questions

What microcontroller does the CM4ClusterHat use?

The CM4ClusterHat is built around the RP2040, from the RP2040/RP2350 family.

How big is the CM4ClusterHat PCB?

The CM4ClusterHat measures 87.3 × 56.7 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the CM4ClusterHat?

240 components, from 62 distinct parts. The full bill of materials is listed on this page.

Where can I download the CM4ClusterHat design files?

From the will127534/Miniature-CM4-Cluster repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the CM4ClusterHat design in my own project?

Yes, under the terms of its MIT license, which will127534 chose for the repository.

Can I test firmware for the CM4ClusterHat without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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