D2577SAD

{
  "slug": "d2577sad",
  "version": "0.1.0",
  "type": "component",
  "description": "Silicore DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "d2577sad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "d2577sad.kicad_sym",
    "d2577sad.kicad_mod",
    "d2577sad.glb",
    "d2577sad.step",
    "d2577sad.lbr",
    "docs/hero.png",
    "docs/d2577sad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "d2577sad-hero.glb",
    "d2577sad-hero.overlay.json",
    "d2577sad-etched.glb"
  ],
  "component": {
    "mpn": "D2577SAD",
    "manufacturer": "Silicore",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944563725873152",
    "parts": {
      "symbol": "d2577sad.kicad_sym",
      "footprint": "d2577sad.kicad_mod",
      "model_3d": "d2577sad-hero.glb",
      "model_3d_plain": "d2577sad-etched.glb",
      "model_3d_step": "d2577sad-etched.step",
      "model_3d_step_plain": "d2577sad.step",
      "lbr": "d2577sad.lbr"
    },
    "distributor_links": {
      "lcsc": "C2837283"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T11:35:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Comp",
        "type": "passive",
        "description": "Compensation pin at the error amplifier output, where the RC/CC compensation network connects; CC of at least 0.22 µF is also required for the soft-start circuit."
      },
      {
        "number": "2",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback input to the error amplifier, compared with the 1.230V reference on the ADJ version (VOUT = 1.23V(1+R1/R2)) and tied directly to the output on the 12V and 15V versions."
      },
      {
        "number": "3",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground pin, and the package tab is also connected to ground."
      },
      {
        "number": "4",
        "name": "Switch",
        "type": "output",
        "description": "Collector of the internal 3.0A NPN output switch, which can stand off 65V (absolute maximum), recommended 0 to 60V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, recommended 3.5V to 40V (absolute maximum 45V), which should be bypassed close to the VIN and Ground pins."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 27 TO-263 outline labels the pins VIN, VOUT, COM, Oadj, Vsoft, which conflicts with the pag; The datasheet covers the 12V, 15V and ADJ versions and does not decode the MPN suffix 'SAD'. The pac",
          "exposed pad 6 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 28,
        "cost_usd": 0.4302,
        "at": "2026-10-20T11:35:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944563725873152",
        "pages": 28,
        "sha256": "7b07b696027306d4",
        "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": "d2577sad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "d2577sad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c89010c92df994ea753fa8f80bf4eb3466b8bdbd23f34aa1913e2cf02d51e0da",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}