NSI8221N1-DSPR

{
  "schema_version": 1,
  "type": "component",
  "slug": "nsi8221n1-dspr",
  "title": "NSI8221N1-DSPR",
  "brief": "NOVOSENSE Digital Isolators, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "nsi8221n1-dspr"
  ],
  "component": {
    "mpn": "NSI8221N1-DSPR",
    "manufacturer": "NOVOSENSE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Comm/UART",
    "subcategory": "Digital Isolators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304120930_NOVOSENSE-NSI8221N1-DSPR_C5439830.pdf",
    "parts": {
      "symbol": "nsi8221n1-dspr.kicad_sym",
      "footprint": "nsi8221n1-dspr.kicad_mod",
      "model_3d": "nsi8221n1-dspr-etched.glb",
      "model_3d_plain": "nsi8221n1-dspr.glb",
      "model_3d_step": "nsi8221n1-dspr-etched.step",
      "model_3d_step_plain": "nsi8221n1-dspr.step",
      "lbr": "nsi8221n1-dspr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5439830"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Power supply for isolator side 1. Operating range 2.5 V to 5.5 V referenced to GND1. Bypass to GND1 with a low-ESR ceramic capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "OUTA",
        "type": "output",
        "description": "Logic output of channel A on isolator side 1. Receives the digital signal transmitted across the isolation barrier from INA on side 2. CMOS output referenced to VDD1/GND1."
      },
      {
        "number": "3",
        "name": "INB",
        "type": "input",
        "description": "Logic input of channel B on isolator side 1. Drives the digital signal transmitted across the isolation barrier to OUTB on side 2. CMOS input referenced to VDD1/GND1."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground reference for isolator side 1. Return for VDD1, OUTA, and INB."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for isolator side 2. Return for VDD2, INA, and OUTB. Isolated from GND1 by the internal capacitive barrier."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "Logic output of channel B on isolator side 2. Receives the digital signal transmitted across the isolation barrier from INB on side 1. CMOS output referenced to VDD2/GND2."
      },
      {
        "number": "7",
        "name": "INA",
        "type": "input",
        "description": "Logic input of channel A on isolator side 2. Drives the digital signal transmitted across the isolation barrier to OUTA on side 1. CMOS input referenced to VDD2/GND2."
      },
      {
        "number": "8",
        "name": "VDD2",
        "type": "power_in",
        "description": "Power supply for isolator side 2. Operating range 2.5 V to 5.5 V referenced to GND2. Bypass to GND2 with a low-ESR ceramic capacitor placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304120930_NOVOSENSE-NSI8221N1-DSPR_C5439830.pdf",
        "pages": 41,
        "sha256": "6c904c0e109fd57e",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "nsi8221n1-dspr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "nsi8221n1-dspr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "68bcefdb92f8f15b2a9edc229514fe06b195a51b48c2ff68e84e108a07238185",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NOVOSENSE",
      "Package": "SOP-8",
      "Category": "Comm/UART",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "nsi8221n1-dspr"
  ],
  "discovery_pitch": "NSI8221N1-DSPR (NOVOSENSE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "nsi8221n1-dspr.kicad_sym",
    "nsi8221n1-dspr.kicad_mod",
    "nsi8221n1-dspr.glb",
    "nsi8221n1-dspr.step",
    "nsi8221n1-dspr-etched.step",
    "nsi8221n1-dspr.lbr",
    "docs/hero.png",
    "docs/nsi8221n1-dspr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "NSi8221N1-DSPR",
      "kind": "packaging"
    },
    {
      "mpn": "NSi8221W1-DSWVR",
      "kind": "unknown"
    },
    {
      "mpn": "NSi8221W1-DSWR",
      "kind": "unknown"
    },
    {
      "mpn": "NSi8221W1-DSWWR",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T03:16:48.511Z"
}