SY5955FFP

{
  "slug": "sy5955ffp",
  "version": "0.1.0",
  "type": "component",
  "description": "Silergy Corp AC-DC Controllers & Regulators, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management",
    "sy5955ffp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sy5955ffp.kicad_sym",
    "sy5955ffp.kicad_mod",
    "sy5955ffp.glb",
    "sy5955ffp.step",
    "sy5955ffp.lbr",
    "docs/hero.png",
    "docs/sy5955ffp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sy5955ffp-hero.glb",
    "sy5955ffp-hero.overlay.json",
    "sy5955ffp-etched.glb"
  ],
  "component": {
    "mpn": "SY5955FFP",
    "manufacturer": "Silergy Corp",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Power Management",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e49e5caa78325df2fcd78891dcb3ca40.pdf",
    "parts": {
      "symbol": "sy5955ffp.kicad_sym",
      "footprint": "sy5955ffp.kicad_mod",
      "model_3d": "sy5955ffp-hero.glb",
      "model_3d_plain": "sy5955ffp-etched.glb",
      "model_3d_step": "sy5955ffp-etched.step",
      "model_3d_step_plain": "sy5955ffp.step",
      "lbr": "sy5955ffp.lbr"
    },
    "distributor_links": {
      "lcsc": "C21726226"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:58:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GATEH",
        "type": "output",
        "description": "Half bridge controller high side drive pin; absolute maximum is HB-0.3V to HB+15V."
      },
      {
        "number": "2",
        "name": "HB",
        "type": "passive",
        "description": "Half bridge controller high side ground pin (half-bridge midpoint); HS-HB is limited to -0.3V to 30V."
      },
      {
        "number": "3",
        "name": "HS",
        "type": "power_in",
        "description": "Half bridge controller high side bias supply pin; absolute maximum -0.3V to 650V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias supply pin; absolute maximum -0.3V to 30V."
      },
      {
        "number": "6",
        "name": "ISEN",
        "type": "input",
        "description": "Half bridge controller resonant current sense pin; absolute maximum -1.1V to 1.1V."
      },
      {
        "number": "7",
        "name": "VSEN",
        "type": "input",
        "description": "Half bridge controller output voltage sense pin; absolute maximum -0.3V to 3.6V."
      },
      {
        "number": "8",
        "name": "FBL",
        "type": "input",
        "description": "Half bridge controller feedback pin; absolute maximum -0.3V to 3.6V."
      },
      {
        "number": "9",
        "name": "LNS",
        "type": "input",
        "description": "PFC controller input voltage sense pin; absolute maximum -0.3V to 3.6V."
      },
      {
        "number": "10",
        "name": "CS",
        "type": "input",
        "description": "PFC controller input current sense pin; absolute maximum -1.1V to 1.1V."
      },
      {
        "number": "11",
        "name": "FBB",
        "type": "input",
        "description": "PFC controller output feedback pin; absolute maximum -0.3V to 3.6V."
      },
      {
        "number": "12",
        "name": "GATEB",
        "type": "output",
        "description": "PFC controller gate drive pin; absolute maximum -0.3V to 15V."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "14",
        "name": "GATEL",
        "type": "output",
        "description": "Half bridge controller low side drive pin; absolute maximum -0.3V to 15V."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "16",
        "name": "HV",
        "type": "input",
        "description": "High voltage start-up pin combined with Boost QR detect function; absolute maximum -0.3V to 650V."
      }
    ],
    "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: HB and HS types are inferred from descriptions (HB high-side ground/switching node as passive, HS bi"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0598,
        "at": "2026-10-22T20:57:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e49e5caa78325df2fcd78891dcb3ca40.pdf",
        "pages": 21,
        "sha256": "53265f8e87ec235b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sy5955ffp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sy5955ffp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8e92edfb714c2a775a776528032539c64350e66e0d4b94af3085652c4768531c",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}