GBI1633SMAR

{
  "slug": "gbi1633smar",
  "version": "0.1.0",
  "type": "component",
  "description": "GOSEMICON DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "gbi1633smar",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gbi1633smar.kicad_sym",
    "gbi1633smar.kicad_mod",
    "gbi1633smar.glb",
    "gbi1633smar.step",
    "gbi1633smar.lbr",
    "docs/hero.png",
    "docs/gbi1633smar-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gbi1633smar-hero.glb",
    "gbi1633smar-hero.overlay.json",
    "gbi1633smar-etched.glb"
  ],
  "component": {
    "mpn": "GBI1633SMAR",
    "manufacturer": "GOSEMICON",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756313141577953280",
    "parts": {
      "symbol": "gbi1633smar.kicad_sym",
      "footprint": "gbi1633smar.kicad_mod",
      "model_3d": "gbi1633smar-hero.glb",
      "model_3d_plain": "gbi1633smar-etched.glb",
      "model_3d_step": "gbi1633smar-etched.step",
      "model_3d_step_plain": "gbi1633smar.step",
      "lbr": "gbi1633smar.lbr"
    },
    "distributor_links": {
      "lcsc": "C5451749"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:04:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "input",
        "description": "Power supply for the high-side power MOSFET gate driver; must connect a 0.1uF or greater ceramic capacitor between the BOOT and SW pins."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input for the device (4.5V to 60V operating range), which must be locally bypassed."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable logic input that supports voltages up to the VIN supply, with precision thresholds of 1.21V rising and 1.05V falling; floating the pin enables the device."
      },
      {
        "number": "4",
        "name": "RT",
        "type": "input",
        "description": "Resistor timing pin that sets the switching frequency through a resistor to GND, and must not be left floating or shorted to GND."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Buck converter feedback sense input; a resistor divider from VOUT to FB and from FB to GND sets the output, regulating FB to the internal 0.75V reference."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "input",
        "description": "Soft-start time pin; a capacitor to GND sets the soft-start time, and the pin may be left floating for a default soft-start time of about 5ms."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the buck converter, rated up to 65V (SW to GND) per the absolute maximum ratings."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad that must be grounded in the PCB layout."
      }
    ],
    "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: The datasheet labels BOOT as type 'I' (input) but it is a bootstrap node charged internally, so the ; The RT pin description on page 2 has no limits; the constraint (no floating, no short to GND) comes ; The thermal pad is printed as pin 9 in the pin table but is not a leaded pin; it is typed power_in p"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0782,
        "at": "2026-10-18T22:03:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756313141577953280",
        "pages": 19,
        "sha256": "3c112b7acfbd9ef8",
        "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": "gbi1633smar.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gbi1633smar-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "37b3e85a1537f3b480e10f3ef70ac154868b9c2ca0c6a253fdd2e43fdc244a8a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}