4 layers49.5 × 35.2 mm
4 layers63 × 46.5 mm
DifferentialEncoderMaster
Wetmelon/DifferentialSPIEncoder2- Size
- 63 × 46.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 45
- Pads
- 155
- Tracks, vias
- 337, 47
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 1 Jun 2019
- Updated
- 25 Apr 2022
Overview
DifferentialEncoderMaster is an open-source printed circuit board by Wetmelon, from the Wetmelon/DifferentialSPIEncoder repository on GitHub, published under the MIT licence. It is a 4-layer board of 63 × 46.5 mm with 33 parts on 45 nets, routed with 337 tracks and 47 vias.
It is built around the SN75C1167N and ISO7761DBQ. Its parts include 12 resistors, 9 capacitors, 5 connectors and 3 ICs.
Main components
2
SN75C1167N
PDIP-160℃~+70℃ 2 2 4.5V~5.5V Transceiver PDIP-16 RS-485 / RS-422 ICs ROHSTexas InstrumentsRS-485 / RS-422 ICs
ISO7761DBQ
SSOP-16-150mil-55℃~+125℃ 1 100Mbps 100kV/us 3000 5 6 Fail-safe output、Channel direction configurable High Level SSOP-16-150mil Digital Isolators ROHSTexas InstrumentsDigital Isolators
README
README.mdDifferential-SPI-Encoder
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 680 | Resistor_SMD:R_0603_1608Metric | R5, R6, R7, R8, R9, R10 |
| 5 | 22pF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C5 |
| 4 | 100nF | Capacitor_SMD:C_0603_1608Metric | C6, C7, C8, C9 |
| 2 | 0R | Resistor_SMD:R_0603_1608Metric | R19, R20 |
| 2 | 100 | Resistor_SMD:R_0603_1608Metric | R2, R4 |
| 2 | 1kR | Inductor_SMD:L_0603_1608Metric | FB1, FB2 |
| 2 | 3.3k | Resistor_SMD:R_0603_1608Metric | R1, R3 |
| 2 | CAN | Connector_Molex:Molex_Nano-Fit_105310-xx04_2x02_P2.50mm_Vertical | J2, J4 |
| 2 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2 |
| 2 | SN75C1167 | Package_SO:SSOP-16_5.3x6.2mm_P0.65mm | U1, U2 |
| 1 | Conn_01x20 | Connector_PinSocket_2.54mm:PinSocket_1x20_P2.54mm_Vertical | J3 |
| 1 | ISO7761DBQ | Package_SO:SSOP-16_3.9x4.9mm_P0.635mm | U6 |
| 1 | ISO_GPIO | Connector_Molex:Molex_Nano-Fit_105310-xx08_2x04_P2.50mm_Vertical | J13 |
| 1 | RJ45_Shielded_x2 | Wetmelon:RJ45_RJSSE5380-02 | J1 |
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Questions
How big is the DifferentialEncoderMaster PCB?
It measures 63 × 46.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the DifferentialEncoderMaster use?
33 parts, built around the SN75C1167N and ISO7761DBQ. 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 DifferentialEncoderMaster KiCad files?
From the Wetmelon/DifferentialSPIEncoder repository on GitHub, at the commit this page was made from: the board is Master/DifferentialEncoderMaster.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the DifferentialEncoderMaster design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).