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Kimchi micro

groupgets·kimchi-micro·hardware_sbc/kimchi_micro.kicad_pcb

Kimchi micro PCB layout, top view — open source board by groupgets
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About the Kimchi micro PCB

Kimchi micro is an open source PCB design by groupgets, published on GitHub under the CERN-OHL-S-2.0 license. It is a 8-layer board measuring 65 × 32 mm, with 291 components from 88 distinct parts.

Other key parts include the IMX8MM, 24C32, MT53E256M32D2DS-053 WT:B, BD71847MWV and MP2636GR-P. By type, the board carries 173 capacitors, 70 resistors, 14 ICs, 13 connectors, 8 inductors and 7 diodes.

It belongs with the power & battery designs in this gallery.

From the project

An open hardware embedded SBC for the NXP i.MX8M Mini application processor

Main components on the Kimchi micro

IMX8MM24C32MT53E256M32D2DS-053 WT:BBD71847MWVMP2636GR-PNCP133AMX150TCGSDINBDG4-8GNX20P3483UKPTN5110NHQZMIC94164BQ29702BQ27426CSD85302L

Kimchi micro bill of materials (BOM)

291 components, 88 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
IMX8MM
U1
1
24C32
U2
1
MT53E256M32D2DS-053 WT:B
U3
1
BD71847MWV
U4
1
MP2636GR-P
U5
1
NCP133AMX150TCG
U6
1
SDINBDG4-8G
U7
1
NX20P3483UK
U8
1
PTN5110NHQZ
U9
2
MIC94164
U10, U13
1
BQ29702
U11
1
BQ27426
U12
1
CSD85302L
U14
1
Crystal_GND24
Y1
1
Crystal
Y2
2
Conn_01x06
J1, J2
1
Conn_01x04_MountingPin
J3
1
Conn_02x05_Odd_Even
J4
1
Bus_PCI_Express_Mini
J5
1
Conn_01x02
J6
Show 68 more
QtyPartRefs
1
S2B-PH-K-S(LF)(SN)
J7
1
Conn_01x01_Male
J8
1
0874380343
J9
1
Micro_SD_Card
J10
2
DF40HC(3.5)-60DS
J11, J12
1
USB_C_Receptacle
J13
1
Polyfuse
F1
3
SW_Push
SW1, SW2, SW3
2
LED_BGRA
D1, D3
1
5.1V
D2
4
D_TVS
D6, D7, D8, D9
1
GG_LOGO
L1
5
0.47uH
L2, L3, L4, L6, L7
1
1uH
L5
1
1.5uH
L8
2
12pF
C1, C2
22
10uF
C3, C4, C5, C6, C11, C12, C13, C14 +14
15
0.22uF
C7, C8, C9, C10, C15, C16, C17, C18 +7
28
0.22uF
C30, C31, C32, C34, C35, C37, C38, C39 +20
24
1uF
C33, C42, C43, C44, C45, C46, C48, C49 +16
8
4.7uF
C36, C70, C99, C108, C114, C124, C130, C152
2
2.2uF
C82, C148
1
2200pF
C83
8
10uF
C85, C86, C94, C98, C103, C105, C109, C112
15
1uF
C87, C93, C97, C100, C104, C117, C118, C133 +7
5
2.2uF
C88, C89, C90, C149, C173
16
22uF
C91, C92, C95, C96, C101, C102, C106, C107 +8
1
1uF
C113
2
18pF
C119, C120
5
0.1uF
C121, C122, C123, C140, C150
3
220uF
C125, C126, C127
2
47uF
C128, C129
5
0.1uF
C132, C163, C165, C168, C174
1
0.047uF
C144
1
10uF
C146
1
100uF
C147
1
47uF
C162
3
4.7uF
C164, C169, C172
1
0.01uF
C170
1
1000pF
C171
14
4.7K
R1, R4, R5, R12, R13, R14, R15, R17 +6
11
10K
R2, R3, R8, R9, R10, R51, R52, R53 +3
2
0
R6, R7
4
100K
R11, R55, R67, R68
1
510K
R16
7
10K
R21, R22, R23, R27, R28, R62, R63
3
240
R24, R25, R26
2
150
R29, R30
2
100K
R31, R32
1
1M
R33
2
49.9
R34, R35
1
8.2K
R36
1
15K
R37
1
23.7K
R38
1
2.2K 1%
R39
1
78.7K
R41
1
31.6K
R43
2
5.1K
R44, R45
1
10m
R46
1
330
R47
1
10K 1%
R48
1
13.3K
R49
1
240K
R50
1
8.25K
R59
1
42.2K
R61
2
30K
R64, R65
2
200
R66, R69
2
5M
R71, R72

Kimchi micro design files

The KiCad project lives in the groupgets/kimchi-micro repository on GitHub; these links point at the commit this page was built from.

Kimchi micro: common questions

How big is the Kimchi micro PCB?

The Kimchi micro measures 65 × 32 mm, has 8 copper layers and is 1.19888 mm thick.

How many components are on the Kimchi micro?

291 components, from 88 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Kimchi micro design files?

From the groupgets/kimchi-micro repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Kimchi micro design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which groupgets chose for the repository.

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