main
Ray Publish 0.1.0 42921eb 10d ago
{
  "slug": "ba2901sf-e2",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon Comparators, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ba2901sf-e2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ba2901sf-e2.kicad_sym",
    "ba2901sf-e2.kicad_mod",
    "ba2901sf-e2.glb",
    "ba2901sf-e2.step",
    "ba2901sf-e2.lbr",
    "docs/hero.png",
    "docs/ba2901sf-e2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ba2901sf-e2-hero.glb",
    "ba2901sf-e2-hero.overlay.json",
    "ba2901sf-e2-etched.glb"
  ],
  "component": {
    "mpn": "BA2901SF-E2",
    "manufacturer": "ROHM Semicon",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225503324823552",
    "parts": {
      "symbol": "ba2901sf-e2.kicad_sym",
      "footprint": "ba2901sf-e2.kicad_mod",
      "model_3d": "ba2901sf-e2-hero.glb",
      "model_3d_plain": "ba2901sf-e2-etched.glb",
      "model_3d_step": "ba2901sf-e2-etched.step",
      "model_3d_step_plain": "ba2901sf-e2.step",
      "lbr": "ba2901sf-e2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2983919"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:57:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT2",
        "type": "output",
        "description": "Open-collector output of comparator channel 2, with ground-sense operation as stated for the device's inputs and outputs."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Open-collector output of comparator channel 1, with ground-sense operation as stated for the device's inputs and outputs."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin; the device operates from +2.0V to +36.0V single supply or ±1.0V to ±18.0V split supply, with 36V absolute maximum VCC-VEE."
      },
      {
        "number": "4",
        "name": "-IN1",
        "type": "input",
        "description": "Inverting input of comparator channel 1; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "5",
        "name": "+IN1",
        "type": "input",
        "description": "Non-inverting input of comparator channel 1; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "6",
        "name": "-IN2",
        "type": "input",
        "description": "Inverting input of comparator channel 2; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "7",
        "name": "+IN2",
        "type": "input",
        "description": "Non-inverting input of comparator channel 2; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "8",
        "name": "-IN3",
        "type": "input",
        "description": "Inverting input of comparator channel 3; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "9",
        "name": "+IN3",
        "type": "input",
        "description": "Non-inverting input of comparator channel 3; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "10",
        "name": "-IN4",
        "type": "input",
        "description": "Inverting input of comparator channel 4; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "11",
        "name": "+IN4",
        "type": "input",
        "description": "Non-inverting input of comparator channel 4; the input common-mode range is (VEE-0.3)V to (VEE+36)V, and input current is limited to 10mA absolute maximum."
      },
      {
        "number": "12",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply pin (ground in single-supply use); the input common-mode range is referenced to VEE, so inputs must stay above VEE-0.3V."
      },
      {
        "number": "13",
        "name": "OUT4",
        "type": "output",
        "description": "Open-collector output of comparator channel 4, with ground-sense operation as stated for the device's inputs and outputs."
      },
      {
        "number": "14",
        "name": "OUT3",
        "type": "output",
        "description": "Open-collector output of comparator channel 3, with ground-sense operation as stated for the device's inputs and outputs."
      }
    ],
    "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 datasheet's Pin Configuration table lists pin 1 as OUT2 and pin 2 as OUT1 (reverse of the expect; Page 3 pin table is the quad pinout shared by the SOP14 package of BA10339F, BA2901SF and BA2901F; i; The datasheet pages provided do not show a per-pin electrical table; pin descriptions are built from"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0459,
        "at": "2026-10-18T07:56:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225503324823552",
        "pages": 59,
        "sha256": "d03140fa0ae29b4f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ba2901sf-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ba2901sf-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6630b8d5bf36daf72337e02fafde5994e6665cae8fd3da685c77d58f1e51e626",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}