SE9450P-42-HF

{
  "slug": "se9450p-42-hf",
  "version": "0.1.0",
  "type": "component",
  "description": "Seaward Elec Battery Management, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "se9450p-42-hf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "se9450p-42-hf.kicad_sym",
    "se9450p-42-hf.kicad_mod",
    "se9450p-42-hf.glb",
    "se9450p-42-hf.step",
    "se9450p-42-hf.lbr",
    "docs/hero.png",
    "docs/se9450p-42-hf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "se9450p-42-hf-hero.glb",
    "se9450p-42-hf-hero.overlay.json"
  ],
  "component": {
    "mpn": "SE9450P-42-HF",
    "manufacturer": "Seaward Elec",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8761317294901202944",
    "parts": {
      "symbol": "se9450p-42-hf.kicad_sym",
      "footprint": "se9450p-42-hf.kicad_mod",
      "model_3d": "se9450p-42-hf-hero.glb",
      "model_3d_plain": "se9450p-42-hf.glb",
      "model_3d_step": "se9450p-42-hf-etched.step",
      "model_3d_step_plain": "se9450p-42-hf.step",
      "lbr": "se9450p-42-hf.lbr"
    },
    "distributor_links": {
      "lcsc": "C2838437"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T00:46:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TEMP",
        "type": "input",
        "description": "Battery temperature sense input for an NTC sensor; charging pauses when TEMP is below 45% of Vcc or above 80% of Vcc, and tying TEMP to ground disables the function."
      },
      {
        "number": "2",
        "name": "PROG",
        "type": "passive",
        "description": "Constant-charge-current programming and charge-current monitor pin; a resistor to GND sets the current (RPROG = 1000/IBAT in kΩ/A, e.g. 2k for 500mA, 1k for 1A)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive input supply; recommended 4.5V to 25V, absolute maximum 28V, with 6.5V over-voltage protection."
      },
      {
        "number": "5",
        "name": "BAT",
        "type": "power_out",
        "description": "Battery connection pin; charge current output to the single-cell Li-ion battery with the 4.2V float voltage for the -42 variant."
      },
      {
        "number": "6",
        "name": "STDBY",
        "type": "output",
        "description": "Open-drain charge-complete indicator that is pulled low internally when charging is complete and high-impedance otherwise (rated -0.3V to 28V)."
      },
      {
        "number": "7",
        "name": "CHRG",
        "type": "output",
        "description": "Open-drain charging indicator that is pulled low internally while charging and high-impedance otherwise (rated -0.3V to 28V)."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input; high level enables normal operation and low level stops the chip."
      },
      {
        "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-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 SOP8-EP drawing shows an exposed pad with no pin number or net assignment. The text only says it; The datasheet text calls pin 6 STDBY a 'battery fault' indicator in one place, but the pin table and; The BAT and PROG pin types are inferred from their function. The datasheet does not give electrical ",
          "exposed pad 9 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.4027,
        "at": "2026-10-10T00:44:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8761317294901202944",
        "pages": 14,
        "sha256": "8a53ce8ea33ee242",
        "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": "se9450p-42-hf.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "se9450p-42-hf-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": "c2c4075085489d2c6cf0dd14892af0ff13412a932f275634ef15b737f6726b2d",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}