SDH8635

{
  "slug": "sdh8635",
  "version": "0.1.0",
  "type": "component",
  "description": "Hangzhou Silan Microelectronics AC-DC Controllers And Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "sdh8635",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sdh8635.kicad_sym",
    "sdh8635.kicad_mod",
    "sdh8635.glb",
    "sdh8635.step",
    "sdh8635.lbr",
    "docs/hero.png",
    "docs/sdh8635-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sdh8635-hero.glb",
    "sdh8635-hero.overlay.json",
    "sdh8635-etched.glb"
  ],
  "component": {
    "mpn": "SDH8635",
    "manufacturer": "Hangzhou Silan Microelectronics",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911055859036160",
    "parts": {
      "symbol": "sdh8635.kicad_sym",
      "footprint": "sdh8635.kicad_mod",
      "model_3d": "sdh8635-hero.glb",
      "model_3d_plain": "sdh8635-etched.glb",
      "model_3d_step": "sdh8635-etched.step",
      "model_3d_step_plain": "sdh8635.step",
      "lbr": "sdh8635.lbr"
    },
    "distributor_links": {
      "lcsc": "C250751"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:03:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the controller and the primary-side circuit."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for the cycle-by-cycle peak current limit; the limit starts at 0.45 V at D=0 and clamps at 0.7 V, with absolute maximum voltage of -0.3 V to 7 V."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin that receives high-voltage start-up charging (3.5 mA) and runs the controller; it starts at 16.5 V typical, stops at 8.9 V, has overvoltage protection at 25.5 V, and VCCMAX is 28 V."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that sets the PWM, PFM and burst-mode operating points and the overload trigger at 4.45 V; its absolute maximum voltage is -0.3 V to 7 V and its input impedance is 50 kΩ typical."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the pin is left floating."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "bidirectional",
        "description": "Drain of the integrated power MOSFET, rated for 650 V BVDSS with 7.0 A continuous drain current at Tamb=25°C and 20 A pulsed current."
      },
      {
        "number": "7",
        "name": "DRAIN",
        "type": "bidirectional",
        "description": "Drain of the integrated power MOSFET, rated for 650 V BVDSS with 7.0 A continuous drain current at Tamb=25°C and 20 A pulsed current."
      },
      {
        "number": "8",
        "name": "DRAIN",
        "type": "bidirectional",
        "description": "Drain of the integrated power MOSFET, rated for 650 V BVDSS with 7.0 A continuous drain current at Tamb=25°C and 20 A pulsed current."
      }
    ],
    "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 classifies VCC as I/O (电源供电端, power supply terminal). Mapped to KiCad power_in since it is; Datasheet classifies DRAIN as I/O (功率 MOSFET 漏端). Mapped to bidirectional; no KiCad power class fits; The pin arrangement diagram (管脚排列图) on page 4 is an image with no text; pin numbers and names were t"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0424,
        "at": "2026-10-19T06:01:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911055859036160",
        "pages": 10,
        "sha256": "7cc42e51bf9ec903",
        "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": "sdh8635.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sdh8635-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7d30eea5ea61c45665c06c512aa3011f3f1cbe4e67e8d0c59de99d485fe4266b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}