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STD Isolated zero crossing detection with logic level output
Isolated zero crossing detection with logic level output
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2021-12-18 14:27:40
Creation time：
2019-07-04 12:25:48
Description
Description
Wide voltage range 85-265V 50/60Hz
Low current consumption (~0.15mA @ 120V)
Pulse width 50-110us
Opto isolators tested 4N25, PC817, ACPL-217 (and H11L1 with modifications)
3.3V or 5V output
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 4.7nF | C6 | 0805 | 1 |
| 2 | 470nF-1uF C0G | C7 | 0805 | 1 |
| 3 | MB6S | D1 | MBS-4.9X4.0 | 1 |
| 4 | 1N5711WS-7-F | D10 | SOD-323_L1.8-W1.3-LS2.5-RD | 1 |
| 5 | MMBT2222 | Q2,Q3 | SOT-23(SOT-23-3) | 2 |
| 6 | 220K | R8,R9,R10,R11 | 0805 | 4 |
| 7 | 75K | R12 | 0805 | 1 |
| 8 | 10K | R16,R18 | 0805 | 2 |
| 9 | TLP291 | U2 | SOP-4_P1.27 | 1 |
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