main
Ray Publish 0.1.0 0aa8a91 8d ago
{
  "slug": "eg1182",
  "version": "0.1.0",
  "type": "component",
  "description": "EG Micro DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "eg1182",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "eg1182.kicad_sym",
    "eg1182.kicad_mod",
    "eg1182.glb",
    "eg1182.step",
    "eg1182.lbr",
    "docs/hero.png",
    "docs/eg1182-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "eg1182-hero.glb",
    "eg1182-hero.overlay.json",
    "eg1182-etched.glb"
  ],
  "component": {
    "mpn": "EG1182",
    "manufacturer": "EG Micro",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882528035868672",
    "parts": {
      "symbol": "eg1182.kicad_sym",
      "footprint": "eg1182.kicad_mod",
      "model_3d": "eg1182-hero.glb",
      "model_3d_plain": "eg1182-etched.glb",
      "model_3d_step": "eg1182-etched.step",
      "model_3d_step_plain": "eg1182.step",
      "lbr": "eg1182.lbr"
    },
    "distributor_links": {
      "lcsc": "C81687"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:17:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "High-voltage supply input rated 20V to 60V (absolute maximum -0.3V to 65V to GND) that feeds the internal high-voltage circuits, drive circuit and power switch, and should be decoupled with a low-frequency filter capacitor plus a 0.1uF high-frequency bypass capacitor."
      },
      {
        "number": "2",
        "name": "Vcc",
        "type": "power_in",
        "description": "Low-voltage supply for the internal control circuits, oscillator, amplifier and comparators, with a 30V absolute maximum and 15V typical operating input, fed from FB through an internal diode and requiring a 4.7uF/25V capacitor."
      },
      {
        "number": "3",
        "name": "CT",
        "type": "input",
        "description": "Oscillator timing capacitor input that sets the switching frequency from 10kHz to 100kHz via f = 37.5x10^6 / CT (CT in pF), with an absolute maximum of 30V to GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the chip."
      },
      {
        "number": "5",
        "name": "ADJ",
        "type": "input",
        "description": "Output voltage adjust input for the internal error amplifier with a 1.35V reference, where Vout = (1 + R1/R2) x 1.35V, R1 is the resistor from FB to ADJ and R2 is the resistor from ADJ to GND, with an absolute maximum of 30V."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input that requires a feedback voltage of at least 5V, with an absolute maximum of 30V to GND, and that also supplies Vcc through an internal diode."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Power transistor output that connects to the inductor and freewheeling diode, with an absolute maximum of 65V to GND."
      },
      {
        "number": "8",
        "name": "IPK",
        "type": "input",
        "description": "Peak current set/sense pin that connects through a resistor to Vin, with the peak limit set by IPK = 0.7/Rsense x 84 (about 500mA typical), and an absolute maximum of 80V to GND."
      },
      {
        "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: The SOP8-EP dimension drawing (section 9.2, page 13) contains no extractable text, so the SOP-8-EP p; The exposed pad (EP) of the SOP8-EP package is not mentioned as a pin or assigned a number anywhere ; The internal reference is given as 1.35V (pin description, section 7.2 typical value, and section 8.",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0564,
        "at": "2026-10-19T04:15:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882528035868672",
        "pages": 13,
        "sha256": "314154a873b91951",
        "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": [
      {
        "file": "eg1182.step",
        "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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "eg1182-etched.step",
        "role": "eda",
        "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": "19722a639737b50215bfd5a08267d57328fce984bae9e728af4665e8a5745988",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}