RT8077GQW

{
  "slug": "rt8077gqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, WDFN-8(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt8077gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt8077gqw.kicad_sym",
    "rt8077gqw.kicad_mod",
    "rt8077gqw.glb",
    "rt8077gqw.step",
    "rt8077gqw.lbr",
    "docs/hero.png",
    "docs/rt8077gqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt8077gqw-hero.glb",
    "rt8077gqw-hero.overlay.json",
    "rt8077gqw-etched.glb"
  ],
  "component": {
    "mpn": "RT8077GQW",
    "manufacturer": "Richtek Tech",
    "package": "WDFN-8(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907190272479232",
    "parts": {
      "symbol": "rt8077gqw.kicad_sym",
      "footprint": "rt8077gqw.kicad_mod",
      "model_3d": "rt8077gqw-hero.glb",
      "model_3d_plain": "rt8077gqw-etched.glb",
      "model_3d_step": "rt8077gqw-etched.step",
      "model_3d_step_plain": "rt8077gqw.step",
      "lbr": "rt8077gqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C3190143",
      "digikey": "1028-1418-2-ND",
      "mouser": "835-RT8077GQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:50:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-1418-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "835-RT8077GQW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RT",
        "type": "input",
        "description": "Switching frequency setting pin; a resistor from this pin to GND sets the switching frequency within the 300kHz to 2MHz range."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground; all small-signal and compensation components should connect to this ground, which connects to PGND at one point."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Switch node connected to the inductor; it has a high-frequency voltage swing and should be kept within a small area."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect close to the negative terminal of CIN and COUT."
      },
      {
        "number": "5",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power input supply with a specified range of 2.6V to 5.5V; decouple to PGND with a capacitor."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; logic-high (1.2V < EN < 5.5V) enables the converter and logic-low forces shutdown mode."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage input receiving the resistor-divided output voltage, regulated to the internal 0.8V reference."
      },
      {
        "number": "8",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node; the current comparator threshold rises with this control voltage, and external compensation elements connect here to stabilize the loop."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad, to be connected to GND per the PCB layout guidance."
      }
    ],
    "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: Package variant: the ordering information lists only the QW code (WDFN-8L 2x2), so the WDFN-8L 2x2 p; Pin 2 and pin 9 are both listed as GND in the pin table; pin 9 is the exposed pad. Both are reported; KiCad pin types for RT, LX, FB, COMP and EN were inferred from their functions because the datasheet"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0606,
        "at": "2026-10-19T02:50:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907190272479232",
        "pages": 15,
        "sha256": "5943354b08d56e5c",
        "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": "rt8077gqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.02,
          2.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94803d60a0b0df57e909bcffd0dedc8885db0341056fe55bafb880de90ab765d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt8077gqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.02,
          2.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "aa9ecc0820b1d8662c13e256b7ca649ecd08753e76c8d4211df9a832465ebe8d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}