RT4722CGQW

{
  "slug": "rt4722cgqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "rt4722cgqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt4722cgqw.kicad_sym",
    "rt4722cgqw.kicad_mod",
    "rt4722cgqw.glb",
    "rt4722cgqw.step",
    "rt4722cgqw.lbr",
    "docs/hero.png",
    "docs/rt4722cgqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt4722cgqw-hero.glb",
    "rt4722cgqw-hero.overlay.json",
    "rt4722cgqw-etched.glb"
  ],
  "component": {
    "mpn": "RT4722CGQW",
    "manufacturer": "Richtek Tech",
    "package": "WQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a8c7881c7552a574c588dbe34cdc4843.pdf",
    "parts": {
      "symbol": "rt4722cgqw.kicad_sym",
      "footprint": "rt4722cgqw.kicad_mod",
      "model_3d": "rt4722cgqw-hero.glb",
      "model_3d_plain": "rt4722cgqw-etched.glb",
      "model_3d_step": "rt4722cgqw-etched.step",
      "model_3d_step_plain": "rt4722cgqw.step",
      "lbr": "rt4722cgqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C3031668"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:03:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LX1",
        "type": "passive",
        "description": "Switching node of the 1st boost converter (VO1, fixed 4.6V)."
      },
      {
        "number": "2",
        "name": "PGND1",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "3",
        "name": "VO1",
        "type": "power_out",
        "description": "Output of the 1st boost converter (VPOS, typically 4.6V, up to 300mA)."
      },
      {
        "number": "4",
        "name": "FBS",
        "type": "input",
        "description": "Output feedback sense of the 1st boost converter; connect to the VO1 pin if unused."
      },
      {
        "number": "5",
        "name": "FD",
        "type": "input",
        "description": "Enables or disables active discharge during shutdown; default floating."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "AGND",
        "type": "power_in",
        "description": "Signal ground, shared with the exposed pad (pin 17)."
      },
      {
        "number": "8",
        "name": "ENO3",
        "type": "input",
        "description": "Enable/disable pin for the 2nd boost converter (VO3); input high threshold 1.2V min, low threshold 0.4V max."
      },
      {
        "number": "9",
        "name": "SWIRE",
        "type": "input",
        "description": "Single-wire control pin that enables/disables VPOS and VNEG and programs the VO2 and VO3 output voltages; 150kΩ typical internal pull-down."
      },
      {
        "number": "10",
        "name": "VO2",
        "type": "power_out",
        "description": "Buck/boost converter output (negative voltage, programmable -1.4V to -5.4V, up to 300mA)."
      },
      {
        "number": "11",
        "name": "LX2",
        "type": "passive",
        "description": "Switching node of the buck/boost converter."
      },
      {
        "number": "12",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input voltage, 2.9V to 4.5V recommended operating range."
      },
      {
        "number": "13",
        "name": "VO3",
        "type": "power_out",
        "description": "Output of the 2nd boost converter (AVDD, 5.8V to 7.9V, up to 55mA)."
      },
      {
        "number": "14",
        "name": "PGND2",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "15",
        "name": "LX3",
        "type": "passive",
        "description": "Switching node of the 2nd boost converter."
      },
      {
        "number": "16",
        "name": "AVIN",
        "type": "power_in",
        "description": "Analog input voltage, 2.9V to 4.5V recommended operating range."
      },
      {
        "number": "17",
        "name": "AGND",
        "type": "power_in",
        "description": "Exposed pad, signal ground; solder to a large PCB ground area and connect to AGND 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: The text-extracted pin configuration drawing (page 2) and the layout figure (page 16) are garbled an; The datasheet doesn't give pin electrical types. The types are inferred from the functions. LX nodes; AGND appears on two pins (7 and the exposed pad 17), which the table lists together."
        ],
        "pages_sent": 18,
        "cost_usd": 0.1503,
        "at": "2026-10-23T03:03:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a8c7881c7552a574c588dbe34cdc4843.pdf",
        "pages": 18,
        "sha256": "fd870f9bc9147939",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt4722cgqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt4722cgqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "82dfb0b30fcc7e1fb6bee23b085abcd832b6eb98e173d088c4722d3bd5ef7d20",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}