main
Ray Set visibility: public 7317614 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "rt8077gqw",
  "title": "RT8077GQW",
  "brief": "Richtek Tech DC-DC Converters, WDFN-8(2x2). 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 (pmic)",
    "rt8077gqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 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": [
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          2,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "aa9ecc0820b1d8662c13e256b7ca649ecd08753e76c8d4211df9a832465ebe8d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "WDFN-8(2x2)",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5943354b08d56e5c06ae76d1c24dfd7165a0afa30afb1f2844c599d621db9002",
      "rows": [
        {
          "name": "Feedback Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.788,
          "typ": 0.8,
          "max": 0.812,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Voltage Logic-High",
          "symbol": "VEN_H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Input Voltage Logic-Low",
          "symbol": "VEN_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Leakage Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "VFB = 3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (Shutdown)",
          "symbol": "",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Shutdown, VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.44,
          "typ": 1.8,
          "max": 2.16,
          "conditions": "ROSC = 180kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjustable Switching Frequency Range",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch High-Side On-Resistance",
          "symbol": "RDS(ON)_P",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 90,
          "max": 130,
          "conditions": "ISW = 0.3A, PVDD = 3.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switch Low-Side On-Resistance",
          "symbol": "RDS(ON)_N",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 90,
          "max": 130,
          "conditions": "ISW = 0.3A, PVDD = 3.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage, PVDD (recommended operating)",
          "symbol": "PVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.6,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended operating)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range (recommended operating)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Input Voltage, PVDD (absolute maximum)",
          "symbol": "PVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, WDFN-8L 2x2",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.833,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction to ambient, WDFN-8L 2x2",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "WDFN-8L 2x2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (soldering, 10 sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "HBM (Human Body Model)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rt8077gqw"
  ],
  "discovery_pitch": "RT8077GQW (Richtek Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}