FR9811S6

{
  "slug": "fr9811s6",
  "version": "0.1.0",
  "type": "component",
  "description": "Fitipower Integrated Tech DC-DC Converters, SOT23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "fr9811s6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fr9811s6.kicad_sym",
    "fr9811s6.kicad_mod",
    "fr9811s6.glb",
    "fr9811s6.step",
    "fr9811s6.lbr",
    "docs/hero.png",
    "docs/fr9811s6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fr9811s6-hero.glb",
    "fr9811s6-hero.overlay.json"
  ],
  "component": {
    "mpn": "FR9811S6",
    "manufacturer": "Fitipower Integrated Tech",
    "package": "SOT23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905744529174528",
    "parts": {
      "symbol": "fr9811s6.kicad_sym",
      "footprint": "fr9811s6.kicad_mod",
      "model_3d": "fr9811s6-hero.glb",
      "model_3d_plain": "fr9811s6.glb",
      "model_3d_step": "fr9811s6-etched.step",
      "model_3d_step_plain": "fr9811s6.step",
      "lbr": "fr9811s6.lbr"
    },
    "distributor_links": {
      "lcsc": "C7525146"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:59:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "passive",
        "description": "High-side gate drive boost pin; a capacitor rated between 0.1uF and 1uF must be connected from this pin to LX to fully turn on the internal high-side NMOS."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input; connect FB and VOUT through a resistive divider, and the IC regulates FB at 0.6V (VFB 0.591V to 0.609V, 4.5V to 21V VIN)."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Enable input: pull high to turn the IC on and low to turn it off (EN low threshold 0.5V, high threshold 1.5V); connect to VIN through a 100kΩ resistor for self-startup."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, specified at 4.5V to 21V (absolute maximum -0.3V to +22V); place input capacitors as close as possible between VIN and GND."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Power switching node; connect the external inductor to this pin (absolute maximum -0.3V to VIN +0.3V)."
      }
    ],
    "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 pin-name cell for pin 4 is blank in the Functional Pin Description table. The name SHDN is taken; KiCad ERC types were assigned from function, since the datasheet does not classify pins: BST as pass; The datasheet gives the SOT-23-6 pin assignment (Figure 1, pins 1-3 top row and 6-4 bottom row) and "
        ],
        "pages_sent": 9,
        "cost_usd": 0.045,
        "at": "2026-10-09T23:57:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905744529174528",
        "pages": 9,
        "sha256": "a18864a82003c220",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fr9811s6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fr9811s6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7c51ae62a55175051eeee9fd5c5b617aa2a5e7175c7c2d14895f786cc7562dbf",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}