SCT2A27STER

{
  "slug": "sct2a27ster",
  "version": "0.1.0",
  "type": "component",
  "description": "SCT DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sct2a27ster",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sct2a27ster.kicad_sym",
    "sct2a27ster.kicad_mod",
    "sct2a27ster.glb",
    "sct2a27ster.step",
    "sct2a27ster.lbr",
    "docs/hero.png",
    "docs/sct2a27ster-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sct2a27ster-hero.glb",
    "sct2a27ster-hero.overlay.json",
    "sct2a27ster-etched.glb"
  ],
  "component": {
    "mpn": "SCT2A27STER",
    "manufacturer": "SCT",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602834757667737600",
    "parts": {
      "symbol": "sct2a27ster.kicad_sym",
      "footprint": "sct2a27ster.kicad_mod",
      "model_3d": "sct2a27ster-hero.glb",
      "model_3d_plain": "sct2a27ster-etched.glb",
      "model_3d_step": "sct2a27ster-etched.step",
      "model_3d_step_plain": "sct2a27ster.step",
      "lbr": "sct2a27ster.lbr"
    },
    "distributor_links": {
      "lcsc": "C5367631"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:31:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the comparator; the external feedback divider from VOUT to GND sets the output voltage, and the device regulates FB to the 1.2V typical internal reference (1.188V to 1.212V)."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable pin with an internal pull-up current source; pull it below 1.23V to disable the converter, and float it to enable the converter."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, specified from 5.5V to 100V; connect a local bypass capacitor from VIN to GND with the path kept as short as possible."
      },
      {
        "number": "4",
        "name": "BST",
        "type": "power_out",
        "description": "Bootstrap supply for the high-side power MOSFET gate driver; connect a 0.1uF capacitor from BST to SW, which is charged while the low-side MOSFET is on or SW is low."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Regulator switching output; connect to the external power inductor, with the catch diode from SW to GND."
      },
      {
        "number": "6",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Supply input for the LDO with internal VBIAS UVLO (rising 3V, falling 2.7V); connect to VOUT for low-power operation, and quiescent current drops when VBIAS is above 6V."
      },
      {
        "number": "7",
        "name": "LDO",
        "type": "power_out",
        "description": "Output of the integrated 200mA LDO, which requires at least a 1uF ceramic capacitor."
      },
      {
        "number": "8",
        "name": "EN_LDO",
        "type": "input",
        "description": "LDO enable and output-voltage select: below 0.8V disables the LDO, 1.2V to 1.8V sets 3.3V, and above 2.2V or floating sets 5V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be connected to the PCB ground plane for proper operation and thermal performance (this is the exposed thermal pad of the ESOP-8 package)."
      }
    ],
    "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 package is an 8-lead ESOP, but the datasheet pin table numbers GND as pin 9. This is the exposed; The pin types for BST (power_out, an internally generated bootstrap node) and LDO (power_out) are my; The EN threshold is given as 1.23V in the pin description, 1.24V in the UVLO section and 1.25V (VEN_"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0901,
        "at": "2026-10-18T14:29:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602834757667737600",
        "pages": 20,
        "sha256": "3befa6af618d6037",
        "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": "sct2a27ster.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": "sct2a27ster-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": "33d23b64aa31e9ab313f4fbb9deb385c2a1350b2386f9ec61aa4a933f704cb2e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}