RT9718BGQW

{
  "slug": "rt9718bgqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech Monitors & Reset Circuits, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "rt9718bgqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt9718bgqw.kicad_sym",
    "rt9718bgqw.kicad_mod",
    "rt9718bgqw.glb",
    "rt9718bgqw.step",
    "rt9718bgqw.lbr",
    "docs/hero.png",
    "docs/rt9718bgqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt9718bgqw-hero.glb",
    "rt9718bgqw-hero.overlay.json",
    "rt9718bgqw-etched.glb"
  ],
  "component": {
    "mpn": "RT9718BGQW",
    "manufacturer": "Richtek Tech",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ec019631f240b43d6f77c9a063f7775c.pdf",
    "parts": {
      "symbol": "rt9718bgqw.kicad_sym",
      "footprint": "rt9718bgqw.kicad_mod",
      "model_3d": "rt9718bgqw-hero.glb",
      "model_3d_plain": "rt9718bgqw-etched.glb",
      "model_3d_step": "rt9718bgqw-etched.step",
      "model_3d_step_plain": "rt9718bgqw.step",
      "lbr": "rt9718bgqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C425806",
      "digikey": "1028-RT9718BGQWTR-ND",
      "mouser": "835-RT9718BGQW"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:39:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1028-RT9718BGQWTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "835-RT9718BGQW",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "The input power source, which can withstand up to 30V input."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "WRN",
        "type": "output",
        "description": "Open-drain logic output that turns LOW when any protection event occurs."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Active-low chip enable: pull low or leave floating to enable the IC, force high (>1.5V) to disable it."
      },
      {
        "number": "6",
        "name": "VB",
        "type": "power_in",
        "description": "Battery voltage monitoring input, connected to the battery pack positive terminal via an isolation resistor."
      },
      {
        "number": "7",
        "name": "ILIM",
        "type": "passive",
        "description": "Over current protection threshold setting pin; connect a resistor between this pin and GND to set the OCP threshold."
      },
      {
        "number": "8",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output through the power MOSFET."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad, must be soldered to a large PCB and connected to GND for maximum thermal 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: Package hint says DFN-8-EP(2x2); datasheet names it WDFN-8L 2x2 (W-Type), and the MPN suffix QW matc"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0893,
        "at": "2026-10-23T12:39:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ec019631f240b43d6f77c9a063f7775c.pdf",
        "pages": 10,
        "sha256": "34899e92895406a2",
        "source_tier": "mfr"
      },
      "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": "rt9718bgqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt9718bgqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7f9b87b24b1ce16af14d8a4965a79b2720a70689a4fdececd43867cce083bb67",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}