GC7780AD

{
  "slug": "gc7780ad",
  "version": "0.1.0",
  "type": "component",
  "description": "Sungine Human Body Sensing Sensor, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "gc7780ad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gc7780ad.kicad_sym",
    "gc7780ad.kicad_mod",
    "gc7780ad.glb",
    "gc7780ad.step",
    "gc7780ad.lbr",
    "docs/hero.png",
    "docs/gc7780ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gc7780ad-hero.glb",
    "gc7780ad-hero.overlay.json",
    "gc7780ad-etched.glb"
  ],
  "component": {
    "mpn": "GC7780AD",
    "manufacturer": "Sungine",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Sensors",
    "subcategory": "Human Body Sensing Sensor",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8324c77c6e1b74c73dda82189fefcb8a.pdf",
    "parts": {
      "symbol": "gc7780ad.kicad_sym",
      "footprint": "gc7780ad.kicad_mod",
      "model_3d": "gc7780ad-hero.glb",
      "model_3d_plain": "gc7780ad-etched.glb",
      "model_3d_step": "gc7780ad-etched.step",
      "model_3d_step_plain": "gc7780ad.step",
      "lbr": "gc7780ad.lbr"
    },
    "distributor_links": {
      "lcsc": "C5274774"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:12:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "input",
        "description": "Repeat-trigger control: A=1 allows retriggering, A=0 gives non-retriggerable operation (input high min 3.5V, low max 1.5V at VDD=5V)."
      },
      {
        "number": "2",
        "name": "VO",
        "type": "output",
        "description": "Control signal output that goes high on a valid trigger (rising edge of VS) and stays low outside delay time TX and when there is no VS rising edge."
      },
      {
        "number": "3",
        "name": "RR1",
        "type": "passive",
        "description": "Output delay time TX adjustment terminal with R1, where TX ≈ 49152·R1·C1."
      },
      {
        "number": "4",
        "name": "RC1",
        "type": "passive",
        "description": "Output delay time TX adjustment terminal with C1, where TX ≈ 49152·R1·C1."
      },
      {
        "number": "5",
        "name": "RC2",
        "type": "passive",
        "description": "Trigger lockout time Ti adjustment terminal with C2, where Ti ≈ 24·R2·C2."
      },
      {
        "number": "6",
        "name": "RR2",
        "type": "passive",
        "description": "Trigger lockout time Ti adjustment terminal with R2, where Ti ≈ 24·R2·C2."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply terminal, normally connected to 0V."
      },
      {
        "number": "8",
        "name": "VRF/RESET",
        "type": "input",
        "description": "Reference voltage and reset input, normally tied to VDD; taking it to 0 resets the timers."
      },
      {
        "number": "9",
        "name": "VC",
        "type": "input",
        "description": "Trigger inhibit input: triggering is inhibited when VC<VR and enabled when VC>VR, with VR≈0.2VDD."
      },
      {
        "number": "10",
        "name": "IB",
        "type": "passive",
        "description": "Op-amp bias current setting terminal, connected to VSS through RB of about 1MΩ."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply terminal, range 3 to 12V."
      },
      {
        "number": "12",
        "name": "2OUT",
        "type": "output",
        "description": "Output of the second-stage operational amplifier."
      },
      {
        "number": "13",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting input of the second-stage operational amplifier."
      },
      {
        "number": "14",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting input of the first-stage operational amplifier."
      },
      {
        "number": "15",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input of the first-stage operational amplifier."
      },
      {
        "number": "16",
        "name": "1OUT",
        "type": "output",
        "description": "Output of the first-stage operational amplifier."
      }
    ],
    "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 pin-function text calls pin 13 '2IN- 反相输出端' (inverting output), which looks like a typo for inve; The text gives the Ti formula as 'TX ≈ 24R2C2', which is probably a typo for Ti. I wrote Ti.; The text labels pin 14 '1IN+' as the non-inverting input. The pin names are printed as IIN-/IIN+/IOU",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2383,
        "at": "2026-10-22T21:12:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8324c77c6e1b74c73dda82189fefcb8a.pdf",
        "pages": 8,
        "sha256": "20f8b0015c14c4c8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gc7780ad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gc7780ad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ad0aa9095d08fc21e23372f4955807ff5423f25fe73cedc3ff0b823fca30ce5c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}