SS540S

{
  "schema_version": 1,
  "type": "component",
  "slug": "ss540s",
  "title": "SS540S",
  "brief": "orisilicon AC-DC Controllers & Regulators, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "ss540s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SS540S",
    "manufacturer": "orisilicon",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/893bd2f5d224acc5121d642464c41232.pdf",
    "parts": {
      "symbol": "ss540s.kicad_sym",
      "footprint": "ss540s.kicad_mod",
      "model_3d": "ss540s-hero.glb",
      "model_3d_plain": "ss540s-etched.glb",
      "model_3d_step": "ss540s-etched.step",
      "model_3d_step_plain": "ss540s.step",
      "lbr": "ss540s.lbr"
    },
    "distributor_links": {
      "lcsc": "C19631598"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:02:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 739 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin; output is about 22V (typ) for input above 22V and follows the input below 22V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, left floating."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, left floating."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, left floating."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, left floating."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, left floating."
      },
      {
        "number": "8",
        "name": "VAC",
        "type": "power_in",
        "description": "High-voltage power supply input, 22 VDC to 700 VDC."
      },
      {
        "number": "9",
        "name": "Epad",
        "type": "power_in",
        "description": "Exposed pad connected to chip ground, used for heat dissipation."
      }
    ],
    "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: Datasheet lists pins 3-7 as a range 'NC'; expanded into individual pins 3,4,5,6,7. Exposed pad is nu"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0389,
        "at": "2026-10-22T23:02:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/893bd2f5d224acc5121d642464c41232.pdf",
        "pages": 7,
        "sha256": "ce28954bcda86996",
        "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": "ss540s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ss540s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5db900a72e68c196122dc1545f926a8456bd6cb16c651077288d281fb405fed7",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "orisilicon",
      "Package": "ESOP-8",
      "Category": "Power Management ICs",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ce28954bcda86996799266e55d67118156691348d46990002ee69e48829cb38a",
      "rows": [
        {
          "name": "Power supply input voltage",
          "symbol": "VAC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "VAC = 80VDC; COUT = 10µF; TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current (quiescent)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "VAC = 80VDC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 24,
          "max": null,
          "conditions": "IOUT=1uA@VAC=80VDC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "IOUT =11mA@VAC=80VDC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "IOUT =1mA , VAC=25VDC to 700VDC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "IOUT =1uA to 11mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "VAC=80VDC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output overvoltage",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "VAC= VO",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "VDC",
          "min": 22,
          "typ": null,
          "max": 700,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "Ta",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ss540s"
  ],
  "discovery_pitch": "SS540S (orisilicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ss540s.kicad_sym",
    "ss540s.kicad_mod",
    "ss540s.glb",
    "ss540s.step",
    "ss540s.lbr",
    "docs/hero.png",
    "docs/ss540s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ss540s-hero.glb",
    "ss540s-hero.overlay.json",
    "ss540s-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}