HardLabs

Mainboard before drastic

Sierra-Lobo·mainboard-hardware·revB-em/mainboard_before_drastic.kicad_pcb

Mainboard before drastic PCB layout, top view — open source Microchip SAM board by Sierra-Lobo

About the Mainboard before drastic PCB

Mainboard before drastic is an open source Microchip SAM PCB design by Sierra-Lobo, published on GitHub under the CC-BY-SA-4.0 license. It is a 6-layer board measuring 90.2 × 101.1 mm, with 353 components from 105 distinct parts.

Its main chip is the ATSAMD51N20A-AUT, from the Microchip SAM family. Other key parts include the MAX706RESA, ADM1176-1ARMZ-R7, TPS54226PWPR, 74HC4067PW,118 and OPA340MDBVTEP. By type, the board carries 165 resistors, 90 capacitors, 37 transistors, 24 ICs, 10 diodes and 8 connectors.

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

From the project

PyCubed mainboard v5 fork by Sierra Lobo for Foras Promineo CubeSat

Main components on the Mainboard before drastic

MAX706RESAATSAMD51N20A-AUTADM1176-1ARMZ-R7TPS54226PWPR74HC4067PW,118OPA340MDBVTEPW25Q80DVSNIGEP2W+S1216V8PE014006 TEBQ25883RGERRFM98PWAP2161WPCA9543APW,118TPS63070IAM-20380MMC5983MAMXC6655XA‎LT3652HVEMSE#TRPBF‎

Mainboard before drastic bill of materials (BOM)

353 components, 105 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MAX706RESA
U1
1
ATSAMD51N20A-AUT
U2
2
ADM1176-1ARMZ-R7
U3, U4
1
TPS54226PWPR
TPS54226PWPRPWP14_2P31X2P46-L
U5
1
74HC4067PW,118
U6
1
OPA340MDBVTEP
U7
1
W25Q80DVSNIG
MR25H40MDF
U8
1
EP2W+
U13
1
S1216V8
U14
1
PE014006 TE
PE014006
U16
1
BQ25883RGER
U17
1
RFM98PW
U23
1
AP2161W
U200
1
PCA9543APW,118
U201
2
TPS63070
U203, U210
2
IAM-20380
U204, U207
2
MMC5983MA
U205, U208
2
MXC6655XA
U206, U209
1
‎LT3652HVEMSE#TRPBF‎
U211
3
DMN100-7-F
Q1, Q4, Q5
Show 85 more
QtyPartRefs
2
MBT2222ADW1T1G
MMDT5551-7-F
Q2, Q8
4
MMDT5551-7-F
Q3, Q7, Q15, Q16
1
SMMBT2222AWT1G
Q6
7
MMBT3906-7-F
Q9, Q10, Q52, Q53, Q54, Q215, Q222
1
MMDT2907AQ-7-F
Q11
4
BSS138DWQ-7
Q12, Q13, Q18, Q19
3
IRF7404TRPBF
Q20, Q21, Q22
2
MMBT4401-7-F
Q51, Q205
4
BC847BM3T5G
Q200, Q201, Q202, Q203
5
IRF7404
Q207, Q211, Q212, Q213, Q220
1
IRF7458
Q208
1
SC-32S32.768kHz20PPM7pF
32.768kHz
Y1
1
5031821852
503182-1852
J1
1
Conn_01x05
J2
3
901-144
Amphenol_901-144
J5, J6, J7
1
T1M-08-F-SV-L
J52
1
ZX62-AB-5PA(31)
J200
1
Card Edge for HSEC8-160-01-S-DV-A-K-TR
P1
1
MountingHole_Pad
H200
3
SLI-Backplane-Blank-Card-KiCad:125mil_hole
H201, H202, H203
1
Jumper_3_Bridged12
JP6
1
KMR231NG LFS
SW1
1
SW_Push_SPST
SW200
3
10k
TH51, TH52, TH53
2
CG0402MLU-05G
Z200, Z201
1
WS2812B-B
WS2812B
D1
1
DFLS130L-7
DFLS130L
D4
1
RED
D200
1
YELLOW
D201
1
GREEN
D202
1
ORANGE
D203
2
V4PAL45HM3_A/I
D206, D207
2
1N4148WSTR
D208, D209
1
10uH
L1
1
HPC5040NF-3R3MTH
3.3uH
L2
1
MCS25GD-1R0MMP
1uH
L4
2
1.5uH
L201, L202
1
22uH
L203
2
8pF
C1, C2
19
0.1uF
C3, C5, C9, C10, C11, C21, C22, C30 +11
11
1uF
C4, C12, C13, C15, C27, C33, C221, C222 +3
15
10uF
C6, C14, C16, C35, C39, C44, C200, C210 +7
3
3.3nF
C7, C26, C32
6
10nF
C8, C40, C41, C42, C220, C227
10
22uF
C17, C18, C37, C38, C213, C214, C215, C238 +2
2
100uF
C19, C20
1
4.7uF
C34
1
47nF
C36
1
100uF
C51
7
0.1uF
C201, C202, C204, C206, C207, C208, C209
1
47uF
C203
1
1nF
C205
2
2.2uF
C223, C230
2
0.47uF
C226, C233
6
10uF
C242, C243, C245, C246, C247, C248
1
316k
R1
1
110k
R2
40
10k
R3, R4, R5, R7, R21, R24, R25, R27 +32
42
100k
R6, R10, R15, R19, R20, R30, R31, R37 +34
2
0.1
R8, R17
11
100
R9, R58, R79, R80, R81, R88, R89, R100 +3
5
1Meg
R11, R103, R216, R219, R221
2
73.2k
R13, R29
1
22.1k
R14
10
1k
R18, R26, R63, R64, R69, R70, R120, R122 +2
5
4.7k
R22, R32, R33, R68, R92
3
3.3k
R23, R226, R253
1
5.23k
R34
1
30.1k
R35
1
3.16k
R36
5
200k
R47, R75, R76, R95, R96
8
0
R53, R97, R98, R99, R101, R104, R108, R109
4
680
R71, R72, R86, R87
1
20k
R110
2
10k
R200, R211
1
1Meg
R201
8
1.5k
R202, R203, R204, R205, R206, R207, R208, R209
1
DNP
R210
1
2.2Meg
R214
2
523k
R224, R251
2
330k
R228, R255
1
0.05
R256
1
121k
R257
1
634k
R258
1
412k
R262

Mainboard before drastic design files

The KiCad project lives in the Sierra-Lobo/mainboard-hardware repository on GitHub; these links point at the commit this page was built from.

Mainboard before drastic: common questions

What microcontroller does the Mainboard before drastic use?

The Mainboard before drastic is built around the ATSAMD51N20A-AUT, from the Microchip SAM family.

How big is the Mainboard before drastic PCB?

The Mainboard before drastic measures 90.2 × 101.1 mm, has 6 copper layers and is 1.5748 mm thick.

How many components are on the Mainboard before drastic?

353 components, from 105 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 Mainboard before drastic design files?

From the Sierra-Lobo/mainboard-hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Mainboard before drastic design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which Sierra-Lobo chose for the repository.

Can I test firmware for the Mainboard before drastic without the hardware?

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

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