component
ISO7731FDW
Public Made by Adomby adom
Texas Instruments Digital Isolators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+53@@ -0,0 +1,53 @@+# ISO7731FDW++**Texas Instruments** · Digital Isolators · SOIC-16++ISO7731FDW from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VCC1 | power_in | Supply voltage input for input side of digital isolator; recommended operating range 2.25V to 5.5V. |+| 2 | GND1 | power_in | Ground connection for input side supply voltage VCC1. |+| 3 | INA | input | Digital input signal for isolation channel A. |+| 4 | INB | input | Digital input signal for isolation channel B. |+| 5 | OUTC | output | Digital output signal for isolation channel C. |+| 6 | NC | unconnected | Not connected internally. |+| 7 | EN1 | input | Output enable control for input side; enables outputs when high or open, places outputs in high-impedance when low. |+| 8 | GND1 | power_in | Ground connection for input side supply voltage VCC1. |+| 9 | GND2 | power_in | Ground connection for output side supply voltage VCC2. |+| 10 | EN2 | input | Output enable control for output side; enables outputs when high or open, places outputs in high-impedance when low. |+| 11 | NC | unconnected | Not connected internally. |+| 12 | INC | input | Digital input signal for isolation channel C. |+| 13 | OUTB | output | Digital output signal for isolation channel B. |+| 14 | OUTA | output | Digital output signal for isolation channel A. |+| 15 | GND2 | power_in | Ground connection for output side supply voltage VCC2. |+| 16 | VCC2 | power_in | Supply voltage input for output side of digital isolator; recommended operating range 2.25V to 5.5V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Signal Isolation Devices |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ISO7731FDW`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `iso7731fdw-etched.step` / `iso7731fdw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `iso7731fdw.step` / `iso7731fdw.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/iso7730) (49 pp, sha256 `6d47a7b1277198b2`, retrieved 2026-10-05, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (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/iso7731fdw-datasheet.pdf)
page.jsonadded+207@@ -0,0 +1,207 @@+{+ "slug": "iso7731fdw",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Digital Isolators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "signal isolation devices",+ "iso7731fdw",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "iso7731fdw.kicad_sym",+ "iso7731fdw.kicad_mod",+ "iso7731fdw.glb",+ "iso7731fdw.step",+ "iso7731fdw.lbr",+ "docs/hero.png",+ "docs/iso7731fdw-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "iso7731fdw-hero.glb",+ "iso7731fdw-hero.overlay.json"+ ],+ "component": {+ "mpn": "ISO7731FDW",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Signal Isolation Devices",+ "subcategory": "Digital Isolators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/iso7730",+ "parts": {+ "symbol": "iso7731fdw.kicad_sym",+ "footprint": "iso7731fdw.kicad_mod",+ "model_3d": "iso7731fdw-hero.glb",+ "model_3d_plain": "iso7731fdw.glb",+ "model_3d_step": "iso7731fdw-etched.step",+ "model_3d_step_plain": "iso7731fdw.step",+ "lbr": "iso7731fdw.lbr"+ },+ "distributor_links": {+ "lcsc": 5216488,+ "digikey": "296-44936-5-ND",+ "mouser": "595-ISO7731FDW"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T23:46:14Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-44936-5-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "595-ISO7731FDW",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VCC1",+ "type": "power_in",+ "description": "Supply voltage input for input side of digital isolator; recommended operating range 2.25V to 5.5V."+ },+ {+ "number": "2",+ "name": "GND1",+ "type": "power_in",+ "description": "Ground connection for input side supply voltage VCC1."+ },+ {+ "number": "3",+ "name": "INA",+ "type": "input",+ "description": "Digital input signal for isolation channel A."+ },+ {+ "number": "4",+ "name": "INB",+ "type": "input",+ "description": "Digital input signal for isolation channel B."+ },+ {+ "number": "5",+ "name": "OUTC",+ "type": "output",+ "description": "Digital output signal for isolation channel C."+ },+ {+ "number": "6",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally."+ },+ {+ "number": "7",+ "name": "EN1",+ "type": "input",+ "description": "Output enable control for input side; enables outputs when high or open, places outputs in high-impedance when low."+ },+ {+ "number": "8",+ "name": "GND1",+ "type": "power_in",+ "description": "Ground connection for input side supply voltage VCC1."+ },+ {+ "number": "9",+ "name": "GND2",+ "type": "power_in",+ "description": "Ground connection for output side supply voltage VCC2."+ },+ {+ "number": "10",+ "name": "EN2",+ "type": "input",+ "description": "Output enable control for output side; enables outputs when high or open, places outputs in high-impedance when low."+ },+ {+ "number": "11",+ "name": "NC",+ "type": "unconnected",+ "description": "Not connected internally."+ },+ {+ "number": "12",+ "name": "INC",+ "type": "input",+ "description": "Digital input signal for isolation channel C."+ },+ {+ "number": "13",+ "name": "OUTB",+ "type": "output",+ "description": "Digital output signal for isolation channel B."+ },+ {+ "number": "14",+ "name": "OUTA",+ "type": "output",+ "description": "Digital output signal for isolation channel A."+ },+ {+ "number": "15",+ "name": "GND2",+ "type": "power_in",+ "description": "Ground connection for output side supply voltage VCC2."+ },+ {+ "number": "16",+ "name": "VCC2",+ "type": "power_in",+ "description": "Supply voltage input for output side of digital isolator; recommended operating range 2.25V to 5.5V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [],+ "pages_sent": 27,+ "cost_usd": 0.2098,+ "at": "2026-10-05T23:45:59"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/iso7730",+ "pages": 49,+ "sha256": "6d47a7b1277198b2",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}