Sd mux
About the Sd mux PCB
Sd mux is an open source PCB design by 3mdeb, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 50 × 114 mm, with 48 components from 21 distinct parts.
Other key parts include the TS3USB30EDGSR, FT245RL, 74AHC1G14 and TS3A27518E. By type, the board carries 11 connectors, 11 resistors, 9 capacitors, 8 transistors, 5 ICs and 2 diodes.
From the project
PCB Schematics for SDWire hardware
sd-mux stands for Secure Digital Multiplexer.
This is SD card switcher (multiplexer) designed to help automatic testing.
This project is sd-mux controller - binary for controlling sd-mux device.
Requirements: 1. libftdi1 1.4 - development library 2. popt - development library 3. cmake - binary tool
Build: - enter into project directory - create 'build' directory - enter into "build" directory - run 'cmake ..' - run 'make'
Main components on the Sd mux
Sd mux bill of materials (BOM)
48 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TS3USB30EDGSR | msoic-10 | U1 |
| 1 | FT245RL | ssop-28 | U2 |
| 2 | 74AHC1G14 | SOT-23-5 | U3, U5 |
| 1 | TS3A27518E | tssop-24 | U4 |
| 6 | IRF7606PBF | msoic-8 | Q1, Q2, Q3, Q4, Q7, Q8 |
| 2 | 2N7002 | SOT-23 | Q5, Q6 |
| 1 | USDCARD | microsd_socket | J1 |
| 1 | USB_OTG | conn_usb_B_micro | P1 |
| 1 | 629105136821 | conn_usb_B_micro | P2 |
| 2 | 61400416021 | conn_usb_A | P3, P4 |
| 2 | IDC_02X04 | PSB_IDC_4x2 | P5, P6 |
| 2 | MKDS 1,5/3 | cons_1,5x3 | P7, P10 |
| 2 | CONN_02X02 | PSB_IDC__4x2 | P8, P9 |
| 1 | G2RK-2 | G2RK-2 | RL1 |
| 2 | ES1AL | do219ab | D1, D2 |
| 1 | MI0805K400R-10 | R_0805_HandSoldering | FB1 |
| 4 | 27p | C_0805_HandSoldering | C1, C2, C4, C5 |
| 4 | 100n | C_0805_HandSoldering | C3, C6, C7, C8 |
| 1 | 4.7u | C_0805_HandSoldering | C9 |
| 4 | 4.7K | R_0805_HandSoldering | R1, R2, R3, R4 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 10K | R_0805_HandSoldering | R5, R6, R7, R8, R9, R10, R11 |
Sd mux design files
The KiCad project lives in the 3mdeb/SDWire repository on GitHub; these links point at the commit this page was built from.
Sd mux: common questions
How big is the Sd mux PCB?
The Sd mux measures 50 × 114 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sd mux?
48 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sd mux design files?
From the 3mdeb/SDWire repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Sd mux design in my own project?
Yes, under the terms of its Apache-2.0 license, which 3mdeb chose for the repository.
