VP3186SPG8

{
  "slug": "vp3186spg8",
  "version": "0.1.0",
  "type": "component",
  "description": "VIVA DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "vp3186spg8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "vp3186spg8.kicad_sym",
    "vp3186spg8.kicad_mod",
    "vp3186spg8.glb",
    "vp3186spg8.step",
    "vp3186spg8.lbr",
    "docs/hero.png",
    "docs/vp3186spg8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "vp3186spg8-hero.glb",
    "vp3186spg8-hero.overlay.json",
    "vp3186spg8-etched.glb"
  ],
  "component": {
    "mpn": "VP3186SPG8",
    "manufacturer": "VIVA",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918504631750656",
    "parts": {
      "symbol": "vp3186spg8.kicad_sym",
      "footprint": "vp3186spg8.kicad_mod",
      "model_3d": "vp3186spg8-hero.glb",
      "model_3d_plain": "vp3186spg8-etched.glb",
      "model_3d_step": "vp3186spg8-etched.step",
      "model_3d_step_plain": "vp3186spg8.step",
      "lbr": "vp3186spg8.lbr"
    },
    "distributor_links": {
      "lcsc": "C782021"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:02:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground for the converter power stage."
      },
      {
        "number": "2",
        "name": "OC",
        "type": "input",
        "description": "Current limit setting: a resistor from OC to GND sets the peak switch current (2.1 A to 4.9 A over 20 kΩ to 43 kΩ), and leaving it floating selects the internal 5.5 A current limit."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Supply input that must be driven from a 2.7 V to 5.5 V source to activate the converter, with a minimum 1 µF ceramic bypass capacitor placed near the pin."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: pulling EN above 1 V enables the converter and below 0.4 V shuts it off, and a 100 kΩ pull-up starts it automatically."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground that must be connected to the exposed pad."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input from an external resistor divider on the output, regulated to the internal reference, which the electrical characteristics give as 0.6 V (the pin table prints 1.26 V)."
      },
      {
        "number": "7",
        "name": "VSEN",
        "type": "input",
        "description": "Output sense input that connects to the DC output to improve conversion efficiency."
      },
      {
        "number": "8",
        "name": "LX",
        "type": "output",
        "description": "Switch output connecting to the inductor and Schottky diode, rated -0.3 V to 18 V, with the trace to the input bypass capacitor kept short to reduce EMI."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet describes only the SO-8P green package (with exposed pad). The VP3186SPG8 suffix is not ex; FB reference is inconsistent in the datasheet: the pin table (page 2) says 1.26 V, while the electri; The pin table lists IN as I (input). It is typed power_in here because it is the supply pin; confirm",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0554,
        "at": "2026-10-18T10:00:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918504631750656",
        "pages": 11,
        "sha256": "5aadba11ebfff565",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "vp3186spg8-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": "2b2fb652c7f06020e373db78f3f7ad82ff88baf56d2bd97dcec6a4ff2a55eaa9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}