ADUM3221BRZ

{
  "slug": "adum3221brz",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Gate Drive ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "adum3221brz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "adum3221brz.kicad_sym",
    "adum3221brz.kicad_mod",
    "adum3221brz.glb",
    "adum3221brz.step",
    "adum3221brz.lbr",
    "docs/hero.png",
    "docs/adum3221brz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "adum3221brz-hero.glb",
    "adum3221brz-hero.overlay.json",
    "adum3221brz-etched.glb"
  ],
  "component": {
    "mpn": "ADUM3221BRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3220_3221.pdf",
    "parts": {
      "symbol": "adum3221brz.kicad_sym",
      "footprint": "adum3221brz.kicad_mod",
      "model_3d": "adum3221brz-hero.glb",
      "model_3d_plain": "adum3221brz-etched.glb",
      "model_3d_step": "adum3221brz-etched.step",
      "model_3d_step_plain": "adum3221brz.step",
      "lbr": "adum3221brz.lbr"
    },
    "distributor_links": {
      "lcsc": "C208191",
      "digikey": "505-ADUM3221BRZ-ND",
      "mouser": "584-ADUM3221BRZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T03:24:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADUM3221BRZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM3221BRZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Supply voltage for isolator side 1, specified at 3.0 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "VIA",
        "type": "input",
        "description": "Logic Input A on the side 1 input; CMOS logic high threshold is 0.7 × VDD1 and low threshold is 0.3 × VDD1 per the electrical characteristics."
      },
      {
        "number": "3",
        "name": "VIB",
        "type": "input",
        "description": "Logic Input B on the side 1 input; CMOS logic high threshold is 0.7 × VDD1 and low threshold is 0.3 × VDD1 per the electrical characteristics."
      },
      {
        "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": "VOB",
        "type": "output",
        "description": "Logic Output B on the side 2 output; logic low output is specified at 0.15 V maximum at IOx = +20 mA and logic high is VDD2 − 0.1 V minimum at IOx = −20 mA."
      },
      {
        "number": "7",
        "name": "VOA",
        "type": "output",
        "description": "Logic Output A on the side 2 output; logic low output is specified at 0.15 V maximum at IOx = +20 mA and logic high is VDD2 − 0.1 V minimum at IOx = −20 mA."
      },
      {
        "number": "8",
        "name": "VDD2",
        "type": "power_in",
        "description": "Supply voltage for isolator side 2, specified at 4.5 V to 18 V in the pin function table."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbering and functions are identical for all ADuM3220/ADuM3221 variants in the 8-lead SOIC_N pa; The ADuM3221B variant has a different VDD2 operating range: the ordering guide lists a minimum VDD2 "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0681,
        "at": "2026-10-30T03:24:18"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADuM3220_3221.pdf",
        "pages": 16,
        "sha256": "9d99041c90842985",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "adum3221brz.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adum3221brz-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": "01a845dd0ee7cf2d8be6487c12f217074766ee6f7289190a93c577c1904fa88b",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "R-8",
      "source_page": 15,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "adum3221brz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}