SSP9481

{
  "slug": "ssp9481",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Siproin Microelectronics DC-DC Converters, SOT23-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ssp9481",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ssp9481.kicad_sym",
    "ssp9481.kicad_mod",
    "ssp9481.glb",
    "ssp9481.step",
    "ssp9481.lbr",
    "docs/hero.png",
    "docs/ssp9481-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "SSP9481",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "SOT23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904778132443136",
    "parts": {
      "symbol": "ssp9481.kicad_sym",
      "footprint": "ssp9481.kicad_mod",
      "model_3d": "ssp9481.glb",
      "model_3d_step": "ssp9481.step",
      "lbr": "ssp9481.lbr"
    },
    "distributor_links": {
      "lcsc": "C5444285"
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_in",
        "description": "Bootstrap power supply for internal floating high side MOSFET driver; connect bypass capacitor between BST and SW with maximum voltage range of 6.0V relative to SW."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; connect as close as possible to the output capacitor to minimize high current switching paths."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to error amplifier for output voltage setting; foldback circuit reduces oscillation frequency to 150 kHz when FB voltage is below 250mV during short circuit for current limiting protection."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input; pull below 1.0V turn-off threshold to disable or above 1.35V turn-on threshold to enable; can connect 100kΩ resistor to VIN for automatic startup."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage with operating range 4.5V to 80V; powers all internal control circuits and switching tube; decoupling capacitor to ground required close to this pin to reduce switching spikes."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switch node output; connect low forward voltage Schottky diode to ground close to this pin to reduce switching spikes; voltage range -0.3V to VIN(MAX)+0.3V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.0772,
        "at": "2026-09-17T19:30:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904778132443136",
        "pages": 10,
        "sha256": "9ec55c2653568dfd",
        "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": "ssp9481.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ssp9481-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "db6f2752c668a4b581ee2c120140b9ecd54faf6170149ba7747c249ff5d7c4a2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}