HG8551CM

{
  "slug": "hg8551cm",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Pre-ordered Chips, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "hg8551cm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hg8551cm.kicad_sym",
    "hg8551cm.kicad_mod",
    "hg8551cm.glb",
    "hg8551cm.step",
    "hg8551cm.lbr",
    "docs/hero.png",
    "docs/hg8551cm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hg8551cm-hero.glb",
    "hg8551cm-hero.overlay.json",
    "hg8551cm-etched.glb"
  ],
  "component": {
    "mpn": "HG8551CM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e5968d09c07462bf9933467a68ec7e96.pdf",
    "parts": {
      "symbol": "hg8551cm.kicad_sym",
      "footprint": "hg8551cm.kicad_mod",
      "model_3d": "hg8551cm-hero.glb",
      "model_3d_plain": "hg8551cm-etched.glb",
      "model_3d_step": "hg8551cm-etched.step",
      "model_3d_step_plain": "hg8551cm.step",
      "lbr": "hg8551cm.lbr"
    },
    "distributor_links": {
      "lcsc": "C910861"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T20:53:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the SOP-8 HG8551 package."
      },
      {
        "number": "2",
        "name": "INA-",
        "type": "input",
        "description": "Inverting input of the amplifier, with an input voltage range of VSS-0.5V to VDD+0.5V absolute maximum and a normal common-mode range of VSS-0.1V to VDD+0.1V."
      },
      {
        "number": "3",
        "name": "INA+",
        "type": "input",
        "description": "Non-inverting input of the amplifier, with an input voltage range of VSS-0.5V to VDD+0.5V absolute maximum and a normal common-mode range of VSS-0.1V to VDD+0.1V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply (ground in single-supply operation), where VDD to VSS is rated -0.5V to 7.5V absolute maximum and dual supplies of ±1.05V to ±2.75V are supported."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the SOP-8 HG8551 package."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Rail-to-rail amplifier output with 30mA typical output current and 43mA short-circuit limit."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply for single-supply operation from 2.1V to 5.5V (7.5V absolute maximum), to be bypassed with a 0.1µF ceramic capacitor placed close to the pin."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the SOP-8 HG8551 package."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOP-8 single-amplifier pin diagram on page 2 is captioned 'HG8851', which looks like a typo for ; The SOP-8 diagram labels the inputs INA- and INA+ even though HG8551 is a single amplifier. They are",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1954,
        "at": "2026-11-04T20:53:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e5968d09c07462bf9933467a68ec7e96.pdf",
        "pages": 13,
        "sha256": "b9f0386d7c47e332",
        "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": "hg8551cm.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": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hg8551cm-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": "0ca57c46ce162b384236dd515f07e78c0011505bbc811c4f154dfb90c30941d5",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}