SCT2A11STER

{
  "schema_version": 1,
  "type": "component",
  "slug": "sct2a11ster",
  "title": "SCT2A11STER",
  "brief": "SCT DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "sct2a11ster",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SCT2A11STER",
    "manufacturer": "SCT",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940946733453312",
    "parts": {
      "symbol": "sct2a11ster.kicad_sym",
      "footprint": "sct2a11ster.kicad_mod",
      "model_3d": "sct2a11ster-hero.glb",
      "model_3d_plain": "sct2a11ster.glb",
      "model_3d_step": "sct2a11ster-etched.step",
      "model_3d_step_plain": "sct2a11ster.step",
      "lbr": "sct2a11ster.lbr"
    },
    "distributor_links": {
      "lcsc": "C2846062"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T21:59:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 547 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage with a recommended range of 4.5 V to 100 V; connect a local bypass capacitor from VIN to GND with the path kept as short as possible."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with an internal pull-up current source; pulling it below 1.05 V disables the converter, while floating or connecting it to VIN enables the converter."
      },
      {
        "number": "4",
        "name": "RT",
        "type": "input",
        "description": "Sets the internal oscillator frequency through a resistor to ground over a 300 kHz to 800 kHz range; the pin must not be left floating or shorted to ground."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the transconductance error amplifier that regulates FB to the 0.8 V typical internal reference, with the output set by an external resistor divider."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet gives no electrical function for this pin."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "power_out",
        "description": "Power supply bias for the high-side MOSFET gate driver; connect a 0.1 uF capacitor from BOOT to SW."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Regulator switching output; connect to the external power inductor."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Heat dissipation path of the die, electrically connected to GND and required to be connected to the PCB ground plane for proper operation and thermal performance."
      }
    ],
    "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 thermal pad is listed as pin 9 in the pin table and figure, but it is not one of the eight numbe; Pin 6 is listed as NC with no function. It is typed unconnected based on the datasheet name.; BST is typed power_out because the internal regulator charges the bootstrap capacitor, and the datas"
        ],
        "pages_sent": 18,
        "cost_usd": 0.083,
        "at": "2026-10-09T21:56:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940946733453312",
        "pages": 18,
        "sha256": "d17eee7c6417a486",
        "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": "sct2a11ster.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sct2a11ster-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1db6ab59399b25c09003a6fd7f67a720b781886b7b7dca2c0f88daccd070730d",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SCT",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d17eee7c6417a486",
      "rows": [
        {
          "name": "Input voltage range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN, EN voltage",
          "symbol": "VIN, EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BOOT voltage",
          "symbol": "BOOT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 111,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW voltage",
          "symbol": "SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "BOOT-SW voltage",
          "symbol": "BOOT-SW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB, RT voltage",
          "symbol": "FB, RT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage of FB",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.792,
          "typ": 0.8,
          "max": 0.808,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency range using RT mode",
          "symbol": "FRANGE_RT",
          "kind": "electrical",
          "unit": "kHz",
          "min": 300,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 420,
          "typ": 500,
          "max": 600,
          "conditions": "RRT=500 kΩ(1%)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "sct2a11ster"
  ],
  "discovery_pitch": "SCT2A11STER (SCT) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}