Design rules » Historie » Version 21
Maximilian Seesslen, 14.05.2023 12:01
| 1 | 1 | Redmine Admin | h1. Design rules |
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| 2 | |||
| 3 | 2 | Maximilian Seesslen | h2. Traces |
| 4 | |||
| 5 | 1 | Redmine Admin | min. drill diameter: >=0,3mm |
| 6 | min. trace width: 0,150mm |
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| 7 | 18 | Maximilian Seesslen | pad diameter DuKo: 0,6mm (spec. 0,7mm?) !! |
| 8 | 1 | Redmine Admin | hole to hole: 0,35mm (not specificated. Via was missing. Wert empirisch. Does not happen when following other design rules) |
| 9 | 19 | Maximilian Seesslen | Distance to cuts 0,35mm (cut-through to easily by grinding) |
| 10 | |||
| 11 | 21 | Maximilian Seesslen | * Power: 0,2 distance; 0,2 width |
| 12 | * Powerline (240V): 1,5 distance; 2,5 width (CANSwitch) |
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| 13 | |||
| 14 | 20 | Maximilian Seesslen | 2,5mm: ca. 1.5A bei 10°C rise |
| 15 | 18 | Maximilian Seesslen | !design_rules.png! |
| 16 | 1 | Redmine Admin | |
| 17 | 2 | Maximilian Seesslen | h2. Text varnish |
| 18 | |||
| 19 | Lack: |
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| 20 | 8 | Maximilian Seesslen | Gut, fuer längeren Text: |
| 21 | 4 | Maximilian Seesslen | 0,7x0,7; Staerke 0,1mm (NUC64Debug V0.2.x) |
| 22 | 2 | Maximilian Seesslen | (zu klein fuer Schrift in Copper) |
| 23 | |||
| 24 | Zu klein: |
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| 25 | 0,4x0,4; Staerke: 0,05 (CAN/IO) |
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| 26 | |||
| 27 | 14 | Maximilian Seesslen | Geht noch, nicht kleiner: |
| 28 | 15 | Maximilian Seesslen | *0,6x0,6; Staerke: 0,05* (CANDisplay::Eval; Miniminutnik) |
| 29 | 2 | Maximilian Seesslen | |
| 30 | 17 | Maximilian Seesslen | Geht noch, eher nicht kleiner, manche Labels nicht mehr eindeutig: |
| 31 | 14 | Maximilian Seesslen | 0,55x0,55; Staerke: 0,15 (CAN/IO v0.6.x, einzelne Referenzen nur erratbar) |
| 32 | 9 | Maximilian Seesslen | |
| 33 | 2 | Maximilian Seesslen | h2. Text copper |
| 34 | |||
| 35 | Copper: |
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| 36 | |||
| 37 | Gut unverzinnt: |
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| 38 | 0,6x0,6; Starke 0,08mm |
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| 39 | |||
| 40 | schlecht verzinnt: |
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| 41 | 0,7x0,7; Staerke 0,1mm (NUC64Debug) |
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| 42 | |||
| 43 | 5 | Maximilian Seesslen | nearly ok: |
| 44 | 7 | Maximilian Seesslen | 0,75x0,75; Staerke 0,15mm (Candisplay Eval) |
| 45 | 1 | Redmine Admin | |
| 46 | 11 | Maximilian Seesslen | Still dots not ok: |
| 47 | 1 | Redmine Admin | 0,8x0,8; Staerke 0,2mm (CANIO 0.6.x) |
| 48 | 11 | Maximilian Seesslen | |
| 49 | next test: |
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| 50 | 13 | Redmine Admin | 0,85x0,85; Staerke 0,25mm (EEPROM) |
| 51 | 16 | Maximilian Seesslen | |
| 52 | h2. Standard LEDs; 2V @ 3V |
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| 53 | |||
| 54 | 120 Ohm: very bright |
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| 55 | 240: bright, ok for blinking, still to bright for permanent on |
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| 56 | 480: should be the usual case |
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| 57 | 1k Ohm: very dark. eg. ok for power LED |