SD6039A

{
  "slug": "sd6039a",
  "version": "0.1.0",
  "type": "component",
  "description": "SHOUDING DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "sd6039a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sd6039a.kicad_sym",
    "sd6039a.kicad_mod",
    "sd6039a.glb",
    "sd6039a.step",
    "sd6039a.lbr",
    "docs/hero.png",
    "docs/sd6039a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sd6039a-hero.glb",
    "sd6039a-hero.overlay.json",
    "sd6039a-etched.glb"
  ],
  "component": {
    "mpn": "SD6039A",
    "manufacturer": "SHOUDING",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7413a849ceb835f58e65fe9926a399f3.pdf",
    "parts": {
      "symbol": "sd6039a.kicad_sym",
      "footprint": "sd6039a.kicad_mod",
      "model_3d": "sd6039a-hero.glb",
      "model_3d_plain": "sd6039a-etched.glb",
      "model_3d_step": "sd6039a-etched.step",
      "model_3d_step_plain": "sd6039a.step",
      "lbr": "sd6039a.lbr"
    },
    "distributor_links": {
      "lcsc": "C521375"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:32:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connect pin, not connected internally; the datasheet gives no electrical limits for it."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Main supply pin for the 5V to 16V unregulated input, which must be closely decoupled to GND with a 20μF or greater ceramic capacitor to prevent large voltage spikes."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch node connected to the inductor and to the drains of the internal main and synchronous power MOSFETs, and should be kept small in area because of high-frequency voltage swing."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; analog grounds should connect to a common node that ties to the power ground behind the output capacitors."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that receives the voltage from an external resistive divider across the output, with VOUT = 0.8V • [1 + (R2/R3)]."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Output of the transconductance error amplifier and input to the current comparator, compensated by a series R-C connected to ground."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "ON/OFF control where forcing the pin above 1V enables the part and forcing it below 0.7V shuts it down; it must not be left floating."
      },
      {
        "number": "8",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connect pin, not connected internally; the datasheet gives no electrical limits for it."
      }
    ],
    "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: Datasheet lists pins 1 and 8 only as N/C (No Connect) with no further electrical information.; The datasheet pin table labels VIN as 'Input' and gives no KiCad class; power_in for VIN, output for; The EN threshold text on page 5 is garbled ('can shuts down'); the 1V enable and 0.7V shutdown level"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0301,
        "at": "2026-10-30T16:32:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7413a849ceb835f58e65fe9926a399f3.pdf",
        "pages": 8,
        "sha256": "7dbceb00e6ebc371",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sd6039a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sd6039a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f90e0d100d5df8b4d00462468c4442dd763b0d0348b85141c2fbc29fe3d1d942",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP-8L",
      "source_page": 8,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.7,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "sd6039a.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}