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Add ESD protection to endstop inputs #7

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allspice-kyle commented 2022-01-12 03:06:10 +00:00
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Closes #3

Add TVS to endstop inputs to handle overvoltage condition under 4KV electrostatic contact discharge

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Routed TVS diodes

BOM Update

Description Designator Footprint Quantity MFG # Cost ea. Cost
TVS DIODE 3.3VWM 10.4VC SOD923 D3, D13, D32, D33, D34, D35, D58, D59 SOD923-100X40-2N 6 ESD9X3.3ST5G $0.0386 $0.232
Total Delta $0.232
Closes #3 <img align="left" width="200" src="https://media.digikey.com/Renders/On%20Semi%20Renders/SOD-923_514AB.jpg"> Add TVS to endstop inputs to handle overvoltage condition under 4KV electrostatic contact discharge ![image](https://hub.allspice.io/attachments/9bd8c26f-56d7-40ad-aa82-0e9ee9520990) *Routed TVS diodes* **BOM Update** | Description | Designator | Footprint | Quantity | MFG # | Cost ea. | Cost | |--------------|-------------|------------|-----------|---------|---------|------| | TVS DIODE 3.3VWM 10.4VC SOD923 | D3, D13, D32, D33, D34, D35, D58, D59 | SOD923-100X40-2N | 6 | ESD9X3.3ST5G | $0.0386 | $0.232 | | Total Delta | | | | | | $0.232 |
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allspice-kyle added 2 commits 2022-01-12 03:06:10 +00:00
allspice-kyle requested review from valentina 2022-01-12 03:06:16 +00:00
allspice-kyle requested review from jon 2022-01-12 03:06:16 +00:00
allspice-kyle changed title from develop to Add ESD protection to endstop inputs 2022-01-12 03:16:19 +00:00
allspice-kyle reviewed 2022-01-12 03:17:32 +00:00
Archimajor.PcbDoc
allspice-kyle commented 2022-01-12 03:17:32 +00:00
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@valentina does this mounting point still fit the enclosure standoffs?

!thumbnail[](Archimajor.PcbDoc){ diff="AllSpice/Archimajor:b3d8f4944eb75153b8fa17971bfa92dc89bf8cbd...078977c646cae5ceb4a742a237cc5af05467e1c1" layers="82,74,72,71,69,68,66,65,64,63,60,59,58,57,33,35,37,1,2,41,40,39,32,38,34" view-coords="23.5,38.8,33.5,48.1" aspect-ratio="1.345" } @valentina does this mounting point still fit the enclosure standoffs?
allspice-kyle reviewed 2022-01-12 03:18:50 +00:00
EndStops.SchDoc
allspice-kyle commented 2022-01-12 03:18:50 +00:00
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@jon Are these TVS diodes still approved for new use?

!thumbnail[](EndStops.SchDoc){ diff="AllSpice/Archimajor:b3d8f4944eb75153b8fa17971bfa92dc89bf8cbd...078977c646cae5ceb4a742a237cc5af05467e1c1" view-coords="72.7,76.8,81.7,83.4" aspect-ratio="1.284" } @jon Are these TVS diodes still approved for new use?
allspice-kyle closed this pull request 2022-01-25 06:21:44 +00:00
allspice-kyle reopened this pull request 2022-01-25 06:32:49 +00:00
This pull request has changes conflicting with the target branch.
  • Archimajor.PcbDoc
  • Archimajor.csv
  • EndStops.SchDoc
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