RT8055GQW

{
  "slug": "rt8055gqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, WDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "rt8055gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt8055gqw.kicad_sym",
    "rt8055gqw.kicad_mod",
    "rt8055gqw.glb",
    "rt8055gqw.step",
    "rt8055gqw.lbr",
    "docs/hero.png",
    "docs/rt8055gqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt8055gqw-hero.glb",
    "rt8055gqw-hero.overlay.json",
    "rt8055gqw-etched.glb"
  ],
  "component": {
    "mpn": "RT8055GQW",
    "manufacturer": "Richtek Tech",
    "package": "WDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a3d541b5f917884c1be6ae011b69a649.pdf",
    "parts": {
      "symbol": "rt8055gqw.kicad_sym",
      "footprint": "rt8055gqw.kicad_mod",
      "model_3d": "rt8055gqw-hero.glb",
      "model_3d_plain": "rt8055gqw-etched.glb",
      "model_3d_step": "rt8055gqw-etched.step",
      "model_3d_step_plain": "rt8055gqw.step",
      "lbr": "rt8055gqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C425767",
      "digikey": "1028-RT8055GQWTR-ND",
      "mouser": "835-RT8055GQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:22:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-RT8055GQWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT8055GQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHDN/RT",
        "type": "input",
        "description": "Shutdown control or frequency setting input; a resistor to ground sets the switching frequency, and forcing the pin to VDD or GND shuts the device down."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground for small-signal and compensation components, connected to PGND at one point."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Internal power MOSFET switch output; connect to the inductor."
      },
      {
        "number": "4",
        "name": "LX",
        "type": "output",
        "description": "Internal power MOSFET switch output; connect to the inductor."
      },
      {
        "number": "5",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect close to the negative terminal of CIN and COUT."
      },
      {
        "number": "6",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply input; decouple to PGND with a capacitor."
      },
      {
        "number": "7",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power supply input; decouple to PGND with a capacitor."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Signal supply input (2.6V to 5.5V), decoupled to GND with a capacitor and generally equal to PVDD."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin receiving the feedback voltage from a resistive divider across the output; reference is 0.8V typical."
      },
      {
        "number": "10",
        "name": "COMP",
        "type": "passive",
        "description": "Error amplifier compensation point; connect external compensation elements to stabilize the control loop."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad; must be soldered to a large PCB area and connected to GND for maximum power 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: Pin 11 (exposed pad) is listed in the datasheet as GND, sharing the name with pin 2. It is included ; COMP type chosen as passive because it connects to external compensation components. The datasheet d; The datasheet gives conflicting WDFN-10L thermal resistance values: 60°C/W in Absolute Maximum Ratin"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1231,
        "at": "2026-10-23T09:22:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a3d541b5f917884c1be6ae011b69a649.pdf",
        "pages": 14,
        "sha256": "cc47a1266404232a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt8055gqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7761ffce616f1df784d76940b3bf79789ee874971473d3bbd915b4c05faf8122",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt8055gqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4cb89b3568bc298b2922ebd0e524f43e103f35a521b01f2c99f6ec71ced0b476",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}