RT7272AGSP

{
  "slug": "rt7272agsp",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "rt7272agsp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt7272agsp.kicad_sym",
    "rt7272agsp.kicad_mod",
    "rt7272agsp.glb",
    "rt7272agsp.step",
    "rt7272agsp.lbr",
    "docs/hero.png",
    "docs/rt7272agsp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt7272agsp-hero.glb",
    "rt7272agsp-hero.overlay.json",
    "rt7272agsp-etched.glb"
  ],
  "component": {
    "mpn": "RT7272AGSP",
    "manufacturer": "Richtek Tech",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/463845db747a36c0cd12822cef36ec7f.pdf",
    "parts": {
      "symbol": "rt7272agsp.kicad_sym",
      "footprint": "rt7272agsp.kicad_mod",
      "model_3d": "rt7272agsp-hero.glb",
      "model_3d_plain": "rt7272agsp-etched.glb",
      "model_3d_step": "rt7272agsp-etched.step",
      "model_3d_step_plain": "rt7272agsp.step",
      "lbr": "rt7272agsp.lbr"
    },
    "distributor_links": {
      "lcsc": "C3031672"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:36:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switch node that connects to the external L-C filter (absolute maximum −0.3V to 40.3V)."
      },
      {
        "number": "2",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap supply for the high-side gate drive; a 100nF or greater capacitor is recommended from BOOT to SW (VBOOT−VSW max 6V)."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; logic-high enables the converter and logic-low forces the device into shutdown mode."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connected internally to exposed pad 9 and must be tied to GND."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected to the converter output through a resistive divider to set the output voltage, regulating to 0.8V reference."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node for the regulation control loop; connect a series RC network from COMP to GND, with an additional capacitor to GND in some cases."
      },
      {
        "number": "7",
        "name": "RLIM",
        "type": "passive",
        "description": "Current limit setting; connect a resistor to determine the current limit (1.9A to 7A range)."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a 4.5V to 36V input voltage range; must be bypassed with a suitable large ceramic capacitor."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad ground; must be soldered to a large PCB area 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: Datasheet gives two exposed-pad size options (Option 1 and Option 2); the ordering info states packa"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1218,
        "at": "2026-10-22T22:36:16"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/463845db747a36c0cd12822cef36ec7f.pdf",
        "pages": 14,
        "sha256": "4fe86b9aa2c60994",
        "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": "rt7272agsp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt7272agsp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3d786051bd2089157146e996d1af3635868b7793a91dba37cdc0f0c5a48bb94b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}