SCT2A10STER

{
  "schema_version": 1,
  "type": "component",
  "slug": "sct2a10ster",
  "title": "SCT2A10STER",
  "brief": "SCT DC-DC Converters, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "sct2a10ster"
  ],
  "component": {
    "mpn": "SCT2A10STER",
    "manufacturer": "SCT",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fdf504afb68bc475651e477005958c02.pdf",
    "parts": {
      "symbol": "sct2a10ster.kicad_sym",
      "footprint": "sct2a10ster.kicad_mod",
      "model_3d": "sct2a10ster-etched.glb",
      "model_3d_plain": "sct2a10ster.glb",
      "model_3d_step": "sct2a10ster-etched.step",
      "model_3d_step_plain": "sct2a10ster.step",
      "lbr": "sct2a10ster.lbr"
    },
    "distributor_links": {
      "lcsc": "C509053"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Must be tied to the PCB ground plane and connected together with the thermal pad for proper operation and thermal performance."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, 4.5V to 85V operating range (absolute max 90V). Requires a local high-frequency bypass capacitor to GND placed as close as possible to the pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal pull-up current source (~1-4µA). Pull below 1.1V to disable the converter; float or drive to VIN to enable. A resistor divider from VIN to GND on EN programs the input UVLO threshold (VEN_H≈1.21V, VEN_L≈1.05V)."
      },
      {
        "number": "4",
        "name": "RT",
        "type": "input",
        "description": "Switching frequency programming pin. A resistor from RT to GND sets the internal oscillator frequency from 300kHz to 800kHz (e.g. RRT=500kΩ ≈500kHz). An external clock may be applied directly to RT/CLK to synchronize the internal PLL; if the external clock stops, operation reverts to the resistor-programmed frequency."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the transconductance error amplifier. Connect the tap of the external output-to-GND resistor divider here; the device regulates FB to VREF = 0.8V typical (±1%)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap supply for the high-side MOSFET gate driver. Connect a 0.1µF ceramic capacitor from BST to SW; the cap is recharged from an internal rail whenever the low-side MOSFET is on or SW is low. BOOT-SW absolute max is 6V."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switching node, output of the internal high-side/low-side MOSFET half-bridge. Connect to the external power inductor; also serves as the return for the bootstrap capacitor. Absolute max -1V to 90V."
      },
      {
        "number": "9",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Exposed thermal pad on the bottom of the ESOP-8 package. Primary heat dissipation path from the die. Must be soldered to the PCB ground plane and electrically connected to the GND pin for proper operation and optimized thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fdf504afb68bc475651e477005958c02.pdf",
        "pages": 18,
        "sha256": "864935163937d99b",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sct2a10ster.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sct2a10ster-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d037e5ce3d7feeaea75628dfb61f2c692bf055562c1b7605b0eba2f13b5996e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SCT",
      "Package": "ESOP-8",
      "Category": "PMIC",
      "Pins": "9"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sct2a10ster"
  ],
  "discovery_pitch": "SCT2A10STER (SCT) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sct2a10ster.kicad_sym",
    "sct2a10ster.kicad_mod",
    "sct2a10ster.glb",
    "sct2a10ster.step",
    "sct2a10ster.lbr",
    "docs/hero.png",
    "docs/sct2a10ster-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sct2a10ster-etched.step"
  ],
  "variants": [
    {
      "mpn": "SCT2A10STER",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T05:35:54.360Z"
}