NCP1611ADR2G

{
  "slug": "ncp1611adr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi AC-DC Controllers & Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ncp1611adr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ncp1611adr2g.kicad_sym",
    "ncp1611adr2g.kicad_mod",
    "ncp1611adr2g.glb",
    "ncp1611adr2g.step",
    "ncp1611adr2g.lbr",
    "docs/hero.png",
    "docs/ncp1611adr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncp1611adr2g-hero.glb",
    "ncp1611adr2g-hero.overlay.json",
    "ncp1611adr2g-etched.glb"
  ],
  "component": {
    "mpn": "NCP1611ADR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp1611a-d.pdf",
    "parts": {
      "symbol": "ncp1611adr2g.kicad_sym",
      "footprint": "ncp1611adr2g.kicad_mod",
      "model_3d": "ncp1611adr2g-hero.glb",
      "model_3d_plain": "ncp1611adr2g-etched.glb",
      "model_3d_step": "ncp1611adr2g-etched.step",
      "model_3d_step_plain": "ncp1611adr2g.step",
      "lbr": "ncp1611adr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C364883",
      "digikey": "NCP1611ADR2GOSTR-ND",
      "mouser": "863-NCP1611ADR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:14:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP1611ADR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP1611ADR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCONTROL",
        "type": "output",
        "description": "Error amplifier output; the network to ground sets the regulation loop bandwidth (typically below 20 Hz) and the pin is grounded when the circuit is off to provide soft-start."
      },
      {
        "number": "2",
        "name": "VSENSE",
        "type": "input",
        "description": "Senses a portion of the instantaneous input voltage for brown-out detection (stops pulsing if below 0.9 V for more than 50 ms, resumes above 1.0 V) and line range detection (high-line above 2.2 V, low-line if below 1.7 V for more than 25 ms); grounding it disables the part."
      },
      {
        "number": "3",
        "name": "FFCONTROL",
        "type": "output",
        "description": "Sources a current representative of the line current; a resistor to ground sets a voltage compared to the 2.5 V VREF for CrM versus dead-time generation, and cycles are skipped when the pin is below 0.65 V."
      },
      {
        "number": "4",
        "name": "CS/ZCD",
        "type": "input",
        "description": "Monitors the MOSFET current for maximum current limitation and serves as the zero current detection input from the auxiliary winding (0.75 V ZCD threshold), requiring pin impedance of 3.9 kOhm or more."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Connect this pin to the PFC stage ground."
      },
      {
        "number": "6",
        "name": "DRV",
        "type": "output",
        "description": "Totem pole gate drive output with -0.5 A/+0.8 A capability for driving high gate charge power MOSFETs."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply of the IC; starts at 10.5 V (A version), turns off below 9.0 V typical, and operates from 9.5 V up to 35 V after start-up."
      },
      {
        "number": "8",
        "name": "Feedback",
        "type": "input",
        "description": "Receives a portion of the PFC output voltage for regulation, Dynamic Response Enhancer (below 95.5% of target) and OVP/UVP comparators (soft OVP above 105% VREF, fast OVP at 107%, UVP below 12% VREF); a 250 nA sink current disables the part if the pin is open."
      }
    ],
    "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 types for VCONTROL (error amplifier output) and FFCONTROL (current source output) were inferred "
        ],
        "pages_sent": 7,
        "cost_usd": 0.081,
        "at": "2026-10-23T09:14:14"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp1611a-d.pdf",
        "pages": 29,
        "sha256": "e9e46309484a984f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "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": "ncp1611adr2g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "34689b4d841a407e07b6508b04cd4e4a1ceea45b190a8b70e442862ab7c6b24f",
        "checked": "2026-10-23",
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  }
}