SS550

{
  "slug": "ss550",
  "version": "0.1.0",
  "type": "component",
  "description": "orisilicon AC-DC Controllers And Regulators, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ss550",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ss550.kicad_sym",
    "ss550.kicad_mod",
    "ss550.glb",
    "ss550.step",
    "ss550.lbr",
    "docs/hero.png",
    "docs/ss550-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ss550-hero.glb",
    "ss550-hero.overlay.json",
    "ss550-etched.glb"
  ],
  "component": {
    "mpn": "SS550",
    "manufacturer": "orisilicon",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5d65237f1f2e26bd1a0405ebe8d7702a.pdf",
    "parts": {
      "symbol": "ss550.kicad_sym",
      "footprint": "ss550.kicad_mod",
      "model_3d": "ss550-hero.glb",
      "model_3d_plain": "ss550-etched.glb",
      "model_3d_step": "ss550-etched.step",
      "model_3d_step_plain": "ss550.step",
      "lbr": "ss550.lbr"
    },
    "distributor_links": {
      "lcsc": "C22392481"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:49:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage power input; the datasheet gives an input range of 40VDC to 900VDC, with BV up to 1000V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; left floating."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; left floating."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground."
      },
      {
        "number": "5",
        "name": "BGIN",
        "type": "input",
        "description": "1.3V voltage input; on SS550 a resistor between REG9 and BGIN sets the REG9 output between 1.3V and 9V."
      },
      {
        "number": "6",
        "name": "REG9",
        "type": "power_out",
        "description": "9V voltage output (typ. 9V); on SS550 it is adjustable from 1.3V to 9V through a resistor to BGIN, with an absolute maximum of 22V to GND."
      },
      {
        "number": "7",
        "name": "REG18",
        "type": "power_out",
        "description": "18V voltage output (typ. 18V), with an absolute maximum of 22V to GND."
      },
      {
        "number": "8",
        "name": "HVR",
        "type": "passive",
        "description": "High-voltage resistor output; an internal 48MΩ resistor between HV and HVR allows sensing of the high-voltage input, with an absolute maximum of 1000V to GND."
      },
      {
        "number": "9",
        "name": "Epad",
        "type": "power_in",
        "description": "Exposed pad connected to chip ground for heat dissipation."
      }
    ],
    "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 MPN is listed as orisilicon, but the datasheet is from Sinasilicon (Rev. A, SS550/SS551). The pi; The datasheet gives two eSOP-8 pin configurations. Figure 2 (SS550) puts BGIN on pin 5 and REG9 on p; Pins 2-3 are a range in the source table (NC, floating). They are listed here as separate entries 2 "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0129,
        "at": "2026-10-27T06:49:05"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5d65237f1f2e26bd1a0405ebe8d7702a.pdf",
        "pages": 10,
        "sha256": "5e95ca8aa16d2a3f",
        "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": "ss550.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ss550-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c32595be231b93f62fb4b949415b6e63749ab581c41db5f29167eb927f667f74",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}