COS129UA

{
  "slug": "cos129ua",
  "version": "0.1.0",
  "type": "component",
  "description": "COSINE Instrumentation OpAmps, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "operational amplifier-comparator",
    "cos129ua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cos129ua.kicad_sym",
    "cos129ua.kicad_mod",
    "cos129ua.glb",
    "cos129ua.step",
    "cos129ua.lbr",
    "docs/hero.png",
    "docs/cos129ua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cos129ua-hero.glb",
    "cos129ua-hero.overlay.json",
    "cos129ua-etched.glb"
  ],
  "component": {
    "mpn": "COS129UA",
    "manufacturer": "COSINE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e8fb533d3f8893598a3383762d077604.pdf",
    "parts": {
      "symbol": "cos129ua.kicad_sym",
      "footprint": "cos129ua.kicad_mod",
      "model_3d": "cos129ua-hero.glb",
      "model_3d_plain": "cos129ua-etched.glb",
      "model_3d_step": "cos129ua-etched.step",
      "model_3d_step_plain": "cos129ua.step",
      "lbr": "cos129ua.lbr"
    },
    "distributor_links": {
      "lcsc": "C5358244"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:07:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin; for gains greater than 1 place a gain resistor between pin 1 and pin 8 (G = 1 + 49.4 kΩ/RG for COS129)."
      },
      {
        "number": "2",
        "name": "VIN-",
        "type": "power_in",
        "description": "Negative input."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "power_in",
        "description": "Positive input."
      },
      {
        "number": "4",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply, dual supply range ±2.25V to ±18V."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "input",
        "description": "Reference input that must be driven by low impedance or connected to ground."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Output."
      },
      {
        "number": "7",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply, bypass with a 0.1μF ceramic capacitor close to the pin."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Gain setting pin; for gains greater than 1 place a gain resistor between pin 1 and pin 8."
      }
    ],
    "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: Pin configuration figure is not in the extracted text; pin numbers and names come from the Pin Funct"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0538,
        "at": "2026-10-23T03:07:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e8fb533d3f8893598a3383762d077604.pdf",
        "pages": 8,
        "sha256": "e35a1a4eec057f26",
        "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"
    },
    "models_3d": [
      {
        "file": "cos129ua.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cos129ua-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": "d10aeff32be1b482bf4b8555f890295e56ec1d1774f5f319da0ea133468884b4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}