SSP9452

{
  "slug": "ssp9452",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Siproin Microelectronics DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ssp9452",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ssp9452.kicad_sym",
    "ssp9452.kicad_mod",
    "ssp9452.glb",
    "ssp9452.step",
    "ssp9452.lbr",
    "docs/hero.png",
    "docs/ssp9452-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ssp9452-hero.glb",
    "ssp9452-hero.overlay.json",
    "ssp9452-etched.glb"
  ],
  "component": {
    "mpn": "SSP9452",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010587060285440",
    "parts": {
      "symbol": "ssp9452.kicad_sym",
      "footprint": "ssp9452.kicad_mod",
      "model_3d": "ssp9452-hero.glb",
      "model_3d_plain": "ssp9452-etched.glb",
      "model_3d_step": "ssp9452-etched.step",
      "model_3d_step_plain": "ssp9452.step",
      "lbr": "ssp9452.lbr"
    },
    "distributor_links": {
      "lcsc": "C5444283"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:09:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply for all internal control circuits and the integrated switching MOSFET, with a 5V to 40V operating input range and a decoupling capacitor to ground required close to this pin."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection pin, as listed in the datasheet pin table."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: pulling it below the threshold disables the chip (shutdown current under 2μA), while going above the 1.7V enable threshold (0.6V hysteresis) enables it, and a 100kΩ resistor to VIN allows automatic start-up."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the error amplifier, where an external divider from the output to GND is compared to the internal 0.8V reference (Vfb 0.778V to 0.810V) to set the regulated output voltage."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection pin, as listed in the datasheet pin table."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, to be connected as close as possible to the output capacitor and kept away from high-current switching paths."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin that supplies the floating high-side MOSFET driver, with a bypass capacitor connected between BST and SW (BST to SW absolute maximum -0.3V to 6.0V)."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "Switch node output from the high-side switch, which requires a low-VF Schottky diode to ground close to this pin (SW absolute maximum -0.3V to VIN(MAX)+0.3V)."
      },
      {
        "number": "9",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table does not mention an exposed thermal pad for the ESOP-8 package; the package drawing on; The 'Pin Assignment ESOP8' diagram on page 2 is an image not present in the extracted text; pin posi; Pin type for BST is a judgment call: the datasheet describes it as a bootstrap capacitor connection ",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0486,
        "at": "2026-10-18T17:07:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010587060285440",
        "pages": 13,
        "sha256": "77c22cdbb619f656",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ssp9452.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ssp9452-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "22e820493f2a0738657bb2f29ecca7293a5b040ac0cf1cbc60636acc613e0690",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}