SK6637

{
  "slug": "sk6637",
  "version": "0.1.0",
  "type": "component",
  "description": "Suntek DC-DC Converters, SOT-563. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sk6637",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sk6637.kicad_sym",
    "sk6637.kicad_mod",
    "sk6637.glb",
    "sk6637.step",
    "sk6637.lbr",
    "docs/hero.png",
    "docs/sk6637-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sk6637-hero.glb",
    "sk6637-hero.overlay.json",
    "sk6637-etched.glb"
  ],
  "component": {
    "mpn": "SK6637",
    "manufacturer": "Suntek",
    "package": "SOT-563",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909011623960576",
    "parts": {
      "symbol": "sk6637.kicad_sym",
      "footprint": "sk6637.kicad_mod",
      "model_3d": "sk6637-hero.glb",
      "model_3d_plain": "sk6637-etched.glb",
      "model_3d_step": "sk6637-etched.step",
      "model_3d_step_plain": "sk6637.step",
      "lbr": "sk6637.lbr"
    },
    "distributor_links": {
      "lcsc": "C5120330"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:41:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Power supply pin; the recommended input voltage range is 4.5 V to 17 V and the absolute maximum VIN is 19 V."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "power_out",
        "description": "Switching pin (phase node of the internal power MOSFETs); SW voltage is limited to -0.3 V to VIN+1 V, or -5 V to VIN+2 V for 10 ns transients."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which the datasheet recommends connecting to a large copper area to cool the chip."
      },
      {
        "number": "4",
        "name": "BS",
        "type": "passive",
        "description": "Bootstrap pin; a capacitor must be connected between SW and BS to form the floating high-side driver supply, with BS voltage limited to -0.3 V to VSW+5 V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input; drive high to enable the IC and low to disable it into micro-power shutdown, with a 1.4 V rising threshold, 0.8 V falling threshold, and absolute maximum of -0.3 V to 19 V."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Adjustable-version feedback input, connected to the center point of the external resistor divider; the feedback voltage is 0.805 V nominal and the absolute maximum is -0.3 V to 6 V."
      }
    ],
    "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": [],
        "pages_sent": 14,
        "cost_usd": 0.0538,
        "at": "2026-10-18T16:39:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590909011623960576",
        "pages": 14,
        "sha256": "0951c873a30a59a2",
        "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": "sk6637.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "76c34aa4905777c0a8abe4718019904a3a9f8343cab7cc056f4516b7ef5165fc",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sk6637-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          1.6,
          0.63
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4f03a11a609e3e04bf2378bcf5d85d3dcc054a38114fc7ae40cece04e165f664",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}