

EMMC microSD
Board to use common eMMC flash as microSD cards
- Size
- 95 × 41.6 mm
- Copper layers
- 4
- Thickness
- 0.8 mm
- Parts
- 197
- Nets
- 122
- Pads
- 1,127
- Tracks, vias
- 6,900, 335
- Pours
- 10
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 3 Aug 2020
- Updated
- 8 Aug 2020
Overview
EMMC microSD is an open-source printed circuit board by TobleMiner, from the TobleMiner/eMMC-microSD repository on GitHub. It is a 4-layer board of 95 × 41.6 mm with 197 parts on 122 nets, routed with 6,900 tracks and 335 vias.
Its parts include 105 resistors, 30 capacitors, 5 ICs and 5 connectors.
Parts
197| Qty | Value | Footprint | References |
|---|---|---|---|
| 55 | 10kR | Resistor_SMD:R_0402_1005Metric | R1, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R101, R102, R103, R104, R105 +39 |
| 50 | 33R | Resistor_SMD:R_0402_1005Metric | R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63, R64, R65, R100 +34 |
| 50 | MountingHole | Perforation:Perforation_0.3mm | H10, H11, H12, H13, H14, H15, H16, H17, H18, H19, H20, H21, H22, H23, H24, H25 +34 |
| 20 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3, C12, C13, C14, C15, C18, C19, C20, C21, C24, C25, C26, C27, C30 +4 |
| 10 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C10, C11, C16, C17, C22, C23, C28, C29 |
| 5 | Micro_SD_Card | Card_Edge_micro_SD:Card_Edge_micro_SD_full | J1, J2, J3, J4, J5 |
| 5 | eMMC_5.1_BGA153 | Package_BGA_eMMC:eMMC-FBGA-153 | U1, U2, U3, U4, U5 |
| 2 | MountingHole | ToolingHole:ToolingHole_JLCSMT | H1, H2 |
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Questions
How big is the EMMC microSD PCB?
It measures 95 × 41.6 mm and has 4 copper layers, 0.8 mm thick.
What parts does the EMMC microSD use?
197 parts. 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 EMMC microSD KiCad files?
From the TobleMiner/eMMC-microSD repository on GitHub, at the commit this page was made from: the board is eMMC-microSD.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the EMMC microSD design in my own project?
Its repository states no licence, so its author keeps all rights: ask TobleMiner before reusing the design.