MIC4428YM

{
  "slug": "mic4428ym",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "mic4428ym",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mic4428ym.kicad_sym",
    "mic4428ym.kicad_mod",
    "mic4428ym.glb",
    "mic4428ym.step",
    "mic4428ym.lbr",
    "docs/hero.png",
    "docs/mic4428ym-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mic4428ym-hero.glb",
    "mic4428ym-hero.overlay.json",
    "mic4428ym-etched.glb"
  ],
  "component": {
    "mpn": "MIC4428YM",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/41c6f1fa81b965bad2d7d8913ebbedeb.pdf",
    "parts": {
      "symbol": "mic4428ym.kicad_sym",
      "footprint": "mic4428ym.kicad_mod",
      "model_3d": "mic4428ym-hero.glb",
      "model_3d_plain": "mic4428ym-etched.glb",
      "model_3d_step": "mic4428ym-etched.step",
      "model_3d_step_plain": "mic4428ym.step",
      "lbr": "mic4428ym.lbr"
    },
    "distributor_links": {
      "lcsc": "C637542"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:39:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "2",
        "name": "INA",
        "type": "input",
        "description": "Control Input A: TTL/CMOS compatible logic input, with logic-high recognized from about 1.5V up to VS, drawing less than 1 µA, and protected to -5V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; use a ground plane or separate input and output ground returns for best switching speed."
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Control Input B: TTL/CMOS compatible logic input, with logic-high recognized from about 1.5V up to VS, drawing less than 1 µA, and protected to -5V."
      },
      {
        "number": "5",
        "name": "OUTB",
        "type": "output",
        "description": "Output B: CMOS totem-pole output with 1.5A peak current, swinging within 25 mV of the supply or ground."
      },
      {
        "number": "6",
        "name": "VS",
        "type": "power_in",
        "description": "Supply Input: +4.5V to +18V operating range (22V absolute maximum), to be bypassed with parallel low-inductance ceramic capacitors."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "Output A: CMOS totem-pole output with 1.5A peak current, swinging within 25 mV of the supply or ground."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text does not say which channel of the MIC4428 (INA/OUTA or INB/OUTB) is inverting and"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1316,
        "at": "2026-10-22T21:39:27"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/41c6f1fa81b965bad2d7d8913ebbedeb.pdf",
        "pages": 20,
        "sha256": "2d840005217a3aea",
        "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": "mic4428ym.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mic4428ym-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": "1ec11c8879944de4231a278f7144e1b80c3a9abd7781aefd356580610f8d58ad",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}