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Repository Info

  • Project Name: prism-pcb
  • Synopsis: PCB for each prism in the Voigts Lab honeycomb maze.
  • Documentation Version: 2.1.0
  • Pcb Version: 2.1
  • Enclosure Version: 1.0
  • Supplemental BOM Version: 2.1.0
  • Release Date: 2024-10-22
  • Creation Date: 2024-06-27
  • Kicad Version: 7.0.11
  • License: BSD-3-Clause
  • URL: https://github.com/janelia-kicad/prism-pcb
  • Author: Peter Polidoro
  • Email: [email protected]
  • Copyright: 2024 Howard Hughes Medical Institute
  • References:

img

Images

Schematic

./documentation/schematic/prism-pcb.pdf

PCB

Bill of Materials

Board

Item Synopsis Manufacturer Part Number Manufacturer Quantity Reference(s) Package
1 50V 3.3uF FS32X335K500EGG PSA(Prosperity Dielectrics) 1 C301 1210
2 CAP CER 0.1UF 100V X5R GRM155R62A104KE14D Murata Electronics 8 C302 C306 C307 C401 C403 C404 C407 C410 0402
3 CAP CER 1UF 25V X5R GRT155R61E105KE01D Murata Electronics 2 C303 C304 0402
4 CAP CER 47UF 10V X5R CGA0805X5R476M100MT HRE 2 C305 C406 0805
5 CAP CER 27pF 50V 5% 0402CG270J500NT FH (Guangdong Fenghua Advanced Tech) 1 C308 0402
6 CAP CER 0.022UF 100V X7R GCM188R72A223KA37D Murata Electronics 1 C402 0603
7 CAP CER 0.47UF 35V X5R GRT155R6YA474KE01D Murata Electronics 1 C405 0402
8 CAP CER 2.2UF 100V X7T 0805 GRM21BD72A225KE01L Murata Electronics 2 C408 C411 0805
9 CAP ALUM 100UF 20% 50V SMD EEEHAH101UAP Panasonic Electronic Components 2 C409 C412 SMD D8xL10.2mm
10 LED RED CLEAR CHIP SMD APHHS1005SURCK Kingbright 1 D301 0402
11 DIODE GEN PURP 200V 2A ES2D GOODWORK 1 D302 SMA(DO-214AC)
12 CMC 22UH 200MA 2LN 1.2KOHM SMD ACT45B-220-2P-TL003 TDK 1 FL301 1812
13 USB Type-C 2.0 16P 5A GT-USB-7047C G-Switch 1 J301 SMD
14 CONN HEADER SMD R/A 4POS 1.5MM 0874380443 Molex 1 J401 SMD
15 RES SMD 100 OHM 1% 62.5mW 0402WGF1000TCE UNI-ROYAL(Uniroyal Elec) 1 R301 0402
16 RA73F 2A 2K32 0.1% 5K RL RA73F2A2K32BTD TE Connectivity Passive Product 1 R302 0805
17 RES SMD 1.4K OHM 1% 62.5mW RC0402FR-071K4L YAGEO 1 R303 0402
18 RES SMD 604 OHM 1% 100mW ERJ2RKF6040X PANASONIC 1 R304 0402
19 RES SMD 1.8K OHM 5% 100mW ERJ2GEJ182X PANASONIC 1 R305 0402
20 RES SMD 10 OHM 1% 62.5mW RC0402FR-0710RL YAGEO 1 R401 0402
21 0.12 750mW Current Sense Resistor KRL1632E-M-R120-F-T5 SUSUMU 2 R402 R403 1206
22 Pulse Transformer 120uH 1CT:1CT FB020G00 Dongguan Mentech Optical & Magnetic 1 TR301 SMD-6P 3.5x3.2mm
23 DC-DC 5V 600mA Output 3-65V Input TPSM365R6V5RDNR Texas Instruments 1 U301 QFN-11(3.5x4.5)
24 SPI Isolator LTC6820HMS#3ZZTRPBF Analog Devices 1 U302 MSOP-16
25 IC MTR DRV BIPOLAR 5.5-46V TMC5130A-TA Analog Devices Inc./Maxim Integrated 1 U401 TQFP-48-EP(7x7)
26 XTAL OSC XO 16MHZ 5V SMD S5D16.000000A20F30T Shenzhen SCTF Elec 1 X401 SMD5032-4P

Supplemental

Item Synopsis Manufacturer Part Number Manufacturer Quantity Cost Total
1 USB 2.0 C Male to C Male 150mm DH-20UE0062-NH Cvilux USA 1 4.75 4.75
2 USB 2.0 C Male to C Male 1m DH-20UE0063-NH Cvilux USA 1 5.74 5.74
3 M3 Hex Standoff Male Female 10x5mm 971100354 Würth Elektronik 4 0.63 2.52
4 M3 Machine Screw 6mm RM3X6MM 2701 APM Hexseal 4 0.58 2.32
5 Supplemental BOM Version: 2.1.0 Total 15.33

Development

Install Guix

Install Guix

Generate Output from KiCad

Remove previous versions

rm -rf ./documentation/3dmodels/* && rm -rf ./documentation/bom/* && rm -rf ./documentation/fabrication/* && rm -rf ./documentation/pcb/* && rm -rf ./documentation/schematic/*pcb

Images

  1. 3D Viewer

    Output directory: ../documentation/pcb

    • pcb.png
    • top.png
    • bottom.png
    • front.png
    • back.png
    • left.png
    • right.png

  2. Trim

    make trimmed-images

  3. Schematic PDF

    File -> Plot

    Output directory: ../documentation/schematic

    Plot All Pages

    • Output format PDF
    • Page Size = Schematic size
    • Plot drawing sheet
    • Output mode = Color
    • Color theme = KiCad Default
    • Default line width = 0.006 in

  4. Schematic SVG

    File -> Plot

    Output directory: ../documentation/schematic

    Plot All Pages

    • Output format SVG
    • Page Size = Schematic size
    • Plot drawing sheet
    • Output mode = Color
    • Color theme = Solarized Light
    • Default line width = 0.012 in

  5. PCB SVG

    Add Edge.Cuts, holes, and dimensions to User.Drawings

    File -> Plot

    Output directory: ../documentation/pcb

    • Plot format SVG

    • Include Layers

      • User.Drawings
      • F.Silkscreen
      • B.Silkscreen
      • F.Fab
      • B.Fab

    • Plot on All Layers

      • Edge.Cuts

    • Plot footprint values

    • Plot reference designators

    • SVG Options

      • Precision = 4
      • Output mode = color

      make cropped-svg

Fabrication Files

  1. Gerbers

    File -> Fabrication Outputs -> Gerbers (.gbr)

    Output directory: ../documentation/fabrication/gerbers

    Include Layers:

    • F.Cu
    • F.Paste
    • F.Silks
    • F.Mask
    • F.Fab
    • B.Cu
    • B.Paste
    • B.Silks
    • B.Mask
    • B.Fab
    • Edge.Cuts - (contain the board outline/cutouts.)
    • In1.Cu, In2.Cu … - (needed for 4/6 layer designs.)

    Options:

    • Select Plot reference designators, otherwise designators will not appear on silkscreen layers.
    • Select Check zone fills before plotting
    • Select Use Protel filename extensions, this is recommended as JLCPCB prefers Protel filename extensions.
    • Select Subtract soldermask from silkscreen, this ensures no silkscreen on pads.
    • Coordinate format 4.6 unit mm

  2. Drill and Map Files

    Output directory: ../documentation/fabrication/gerbers

    Options:

    • Excellon drill file format
    • Check Use alternate drill mode for "Oval Holes Drill Mode".
    • Check Absolute for "Drill Origin".
    • Check Millimeters for "Drill Units".
    • Check Decimal format for "Zeros Format".
    • Gerber X2 map file format

    Zip gerber files

    zip ./documentation/fabrication/gerbers.zip ./documentation/fabrication/gerbers/*

  3. BOM

    Generate BOM from schematic editor using blank command line to create bom xml file.

  4. POS

    File -> Fabrication Outputs -> Component Placement (.pos)

    Output directory: ../documentation/fabrication/

    Settings:

    • Format = CSV
    • Units = Millimeters
    • Files = Single file for board
    • Do not use drill/place file origin

    Modify pos files:

    • Ref -> Designator
    • PosX -> Mid X
    • PosY -> Mid Y
    • Rot -> Rotation
    • Side -> Layer

  5. Step

    File -> Export -> Step

    Output directory: ../documentation/3dmodels/pcb.step

    • Drill/place file origin
    • Overwrite old file
    • Standard Board outline chaining tolerance

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