component
π220N31
Public Made by Adomby adom
2Pai Semi I2C Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# π220N31++**2Pai Semi** · I2C Isolators · SOIC-8++π220N31 from 2Pai Semi, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VDD1 | power_in | Supply voltage for Isolator Side 1, operating range 3.0 V to 5.5 V. |+| 2 | SDA1 | bidirectional | Serial data input/output for Side 1; open-drain bidirectional channel with 3.5 mA sink current, supports I2C operation. |+| 3 | SCL1 | bidirectional | Serial clock input/output for Side 1; open-drain bidirectional channel with 3.5 mA sink current, supports I2C operation. |+| 4 | GND1 | power_in | Ground reference for Isolator Side 1. |+| 5 | GND2 | power_in | Ground reference for Isolator Side 2. |+| 6 | SCL2 | bidirectional | Serial clock input/output for Side 2; open-drain bidirectional channel with 35 mA sink current, supports I2C operation. |+| 7 | SDA2 | bidirectional | Serial data input/output for Side 2; open-drain bidirectional channel with 35 mA sink current, supports I2C operation. |+| 8 | VDD2 | power_in | Supply voltage for Isolator Side 2, operating range 3.0 V to 5.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | 2Pai Semi |+| Package | SOIC-8 |+| Category | Signal Isolation Devices |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `π220N31`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [2Pai Semi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905292369170432) (14 pp, sha256 `18d603b341918eef`, retrieved 2026-09-18, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/220n31-datasheet.pdf)
page.jsonadded+139@@ -0,0 +1,139 @@+{+ "slug": "220n31",+ "version": "0.1.0",+ "type": "component",+ "description": "2Pai Semi I2C Isolators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "signal isolation devices",+ "π220n31",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "220n31.kicad_sym",+ "220n31.kicad_mod",+ "220n31.glb",+ "220n31.step",+ "220n31.lbr",+ "docs/hero.png",+ "docs/220n31-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "π220N31",+ "manufacturer": "2Pai Semi",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Signal Isolation Devices",+ "subcategory": "I2C Isolators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905292369170432",+ "parts": {+ "symbol": "220n31.kicad_sym",+ "footprint": "220n31.kicad_mod",+ "model_3d": "220n31.glb",+ "model_3d_step": "220n31.step",+ "lbr": "220n31.lbr"+ },+ "distributor_links": {+ "lcsc": "C970958"+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD1",+ "type": "power_in",+ "description": "Supply voltage for Isolator Side 1, operating range 3.0 V to 5.5 V."+ },+ {+ "number": "2",+ "name": "SDA1",+ "type": "bidirectional",+ "description": "Serial data input/output for Side 1; open-drain bidirectional channel with 3.5 mA sink current, supports I2C operation."+ },+ {+ "number": "3",+ "name": "SCL1",+ "type": "bidirectional",+ "description": "Serial clock input/output for Side 1; open-drain bidirectional channel with 3.5 mA sink current, supports I2C operation."+ },+ {+ "number": "4",+ "name": "GND1",+ "type": "power_in",+ "description": "Ground reference for Isolator Side 1."+ },+ {+ "number": "5",+ "name": "GND2",+ "type": "power_in",+ "description": "Ground reference for Isolator Side 2."+ },+ {+ "number": "6",+ "name": "SCL2",+ "type": "bidirectional",+ "description": "Serial clock input/output for Side 2; open-drain bidirectional channel with 35 mA sink current, supports I2C operation."+ },+ {+ "number": "7",+ "name": "SDA2",+ "type": "bidirectional",+ "description": "Serial data input/output for Side 2; open-drain bidirectional channel with 35 mA sink current, supports I2C operation."+ },+ {+ "number": "8",+ "name": "VDD2",+ "type": "power_in",+ "description": "Supply voltage for Isolator Side 2, operating range 3.0 V to 5.5 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 14,+ "cost_usd": 0.147,+ "at": "2026-09-18T03:50:20"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905292369170432",+ "pages": 14,+ "sha256": "18d603b341918eef",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}