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4 layers100 × 50 mmMMS3, the printed circuit board in 3D

Mini ModuCard System ❤️

Size
100 × 50 mm
Copper layers
4
Thickness
1.65 mm
Parts
198
Nets
176
Pads
676
Tracks, vias
1,743, 632
Pours
42
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
3 Apr 2026
Updated
12 Jul 2026

Overview

MMS3 is an open-source printed circuit board by ArthorH, from the ArthorH/MMS3 repository on GitHub. It is a 4-layer board of 100 × 50 mm with 198 parts on 176 nets, routed with 1,743 tracks and 632 vias.

It is built around the TPS54560BDDA, TPD2EUSB30DRTR-TP and FSUSB42UMX, with the AMS1117-3.3, AT24C256CN and CH334P among its other parts. Its parts include 68 resistors, 63 capacitors, 13 ICs, 9 diodes and 7 connectors. It belongs with the STM32 boards of this library.

Main components

12

README

README.md

MMS 3

Do 3 razy sztuka! image image

Parts

198
QtyValueFootprintReferences
27100nFPCM_JLCPCB:C_0402C3, C4, C5, C12, C13, C15, C19, C20, C21, C22, C23, C25, C26, C27, C312, C313 +11
2110kΩPCM_JLCPCB:R_0402R10, R14, R15, R23, R24, R25, R26, R28, R29, R30, R500, R501, R701, R703, R705, R706 +5
18TestPointTestPoint:TestPoint_Pad_D1.0mmTP1, TP2, TP3, TP4, TP5, TP7, TP10, TP11, TP12, TP13, TP14, TP16, TP17, TP18, TP19, TP20 +2
1422ΩPCM_JLCPCB:R_0402R16, R17, R18, R19, R20, R21, R704, R708, R715, R716, R902, R903, R906, R907
610uFPCM_JLCPCB:C_0805C30, C31, C32, C33, C34, C35
6220ΩPCM_JLCPCB:R_0402R1, R2, R3, R4, R707, R713
5100ΩPCM_JLCPCB:R_0402R12, R13, R22, R710, R714
51kΩPCM_JLCPCB:R_0402R11, R27, R31, R40, R308
522uFPCM_JLCPCB:C_0805C41, C42, C45, C46, C47
5LOGOLOGOG***, G***, G***, G***, G***
4RedPCM_JLCPCB:D_0603D6, D301, D700, D701
310nFPCM_JLCPCB:C_0402C1, C2, C7
310uFPCM_JLCPCB:C_0402C36, C37, C902
324.9kΩPCM_JLCPCB:R_0402R33, R34, R711
333kΩPCM_JLCPCB:R_0402R5, R6, R7
3M2.5 mountMountingHole:MountingHole_2.7mm_M2.5H2, H3, H4
3SS510BPCM_JLCPCB:D_SMBD3, D4, D5
3TPD2EUSB30DRTR-TPPackage_TO_SOT_SMD:SOT-723U4, U5, U401
2100kΩPCM_JLCPCB:R_0402R700, R702
2100uFCapacitor_SMD:CP_Elec_10x10C49, C50
218pFPCM_JLCPCB:C_0402C8, C9
21uFPCM_JLCPCB:C_0402C700, C904
22.2uFPCM_JLCPCB:C_0402C16, C17
2220nFPCM_JLCPCB:C_0805C38, C39
222kΩPCM_JLCPCB:R_0402R803, R806
222pFPCM_JLCPCB:C_0402C10, C11
233pFPCM_JLCPCB:C_0402C28, C29
24.7nFPCM_JLCPCB:C_0402C18, C44
25.1kΩPCM_JLCPCB:R_0402R8, R9
2FSUSB42UMXPackage_DFN_QFN:UQFN-10_1.4x1.8mm_P0.4mmU801, U802
2RJ45_LED_ShieldedConnector_RJ:RJ45_Amphenol_RJHSE538XJ8, J9
2TC-6615Z-12.5-260Tact-sw:SW-TH_4P-L7.3-TC-6615Z-12.5-260SW3, SW5
2TJA1044GTK_3ZPackage_SON:HVSON-8-1EP_3x3mm_P0.65mm_EP1.6x2.4mmU500, U501
11.5kΩPCM_JLCPCB:R_0402R712
1100nFPCM_JLCPCB:C_0805C40
110uFPCM_JLCPCB:C_0603C24
112kΩPCM_JLCPCB:R_0402R38
1240kΩPCM_JLCPCB:R_0603R39
143kΩPCM_JLCPCB:R_0603R36
147pFPCM_JLCPCB:C_0402C43
18.2kΩPCM_JLCPCB:R_0402R37
186093488324755V1LFConnector_DIN:DIN41612_C2_3x16_Female_Vertical_THTJ1
1AMASS XT60Connector_AMASS:AMASS_XT60PW-F_1x02_P7.20mm_HorizontalJ7
1AMASS XT60Connector_AMASS:AMASS_XT60PW-M_1x02_P7.20mm_HorizontalJ2
1AMS1117-3.3Package_TO_SOT_SMD:SOT-223-3_TabPin2U15
1AT24C256CPackage_SO:SOIC-8_5.3x5.3mm_P1.27mmU6
1CH334PPackage_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mmU302
1Crystal_GND24PCM_JLCPCB:CRYSTAL-SMD_4P-L3.2-W2.5-BLY700
1Crystal_GND24Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mmY900
1FixLed307FixLed307:FixLed307LED1
1M2.5 MountMountingHole:MountingHole_2.7mm_M2.5_DIN965_Pad_TopOnlyH1
1MMST3904Package_TO_SOT_SMD:SOT-23Q700
1Programming headerConnector_PinHeader_1.27mm:PinHeader_1x06_P1.27mm_VerticalJ3
1Q13FC1350000400PCM_JLCPCB:FC-135R_L3.2-W1.5X2
1SK12D07VG5Slide-SW:SW-TH_SK12D07VG5-1SW4
1SMF58CAPCM_JLCPCB:D_SOD-123FLD1
1STM32F103CBTxPackage_QFP:LQFP-48_7x7mm_P0.5mmU700
1STM32F405RGTxPackage_QFP:LQFP-64_10x10mm_P0.5mmU1
1TPS54560BDDAPackage_SO:Texas_R-PDSO-G8_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalViasU2
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ800
1X32258MOB4SIPCM_JLCPCB:OSC-SMD_4P-L3.2-W2.5-BLX1
1YSPI1050-100MInductor_SMD:L_Sunlord_MWSA1005SL1
1~PCM_JLCPCB:FB_0603FB401

The 197 most common of 198 parts.

Questions

How big is the MMS3 PCB?

It measures 100 × 50 mm and has 4 copper layers, 1.65 mm thick.

What parts does the MMS3 use?

198 parts, built around the TPS54560BDDA, TPD2EUSB30DRTR-TP, FSUSB42UMX and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the MMS3 KiCad files?

From the ArthorH/MMS3 repository on GitHub, at the commit this page was made from: the board is MMS3/MMS3.kicad_pcb and its schematic MMS3/CAN_TR.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the MMS3 design in my own project?

Its repository states no licence, so its author keeps all rights: ask ArthorH before reusing the design.

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