BD9555FVM-CGTR

{
  "slug": "bd9555fvm-cgtr",
  "version": "0.1.0",
  "type": "component",
  "description": "ROHM Semicon Timers / Counters, MSOP-8-2.8mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "bd9555fvm-cgtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bd9555fvm-cgtr.kicad_sym",
    "bd9555fvm-cgtr.kicad_mod",
    "bd9555fvm-cgtr.glb",
    "bd9555fvm-cgtr.step",
    "bd9555fvm-cgtr.lbr",
    "docs/hero.png",
    "docs/bd9555fvm-cgtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bd9555fvm-cgtr-hero.glb",
    "bd9555fvm-cgtr-hero.overlay.json",
    "bd9555fvm-cgtr-etched.glb"
  ],
  "component": {
    "mpn": "BD9555FVM-CGTR",
    "manufacturer": "ROHM Semicon",
    "package": "MSOP-8-2.8mm",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590150517440741376",
    "parts": {
      "symbol": "bd9555fvm-cgtr.kicad_sym",
      "footprint": "bd9555fvm-cgtr.kicad_mod",
      "model_3d": "bd9555fvm-cgtr-hero.glb",
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      "model_3d_step": "bd9555fvm-cgtr-etched.step",
      "model_3d_step_plain": "bd9555fvm-cgtr.step",
      "lbr": "bd9555fvm-cgtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651392",
      "digikey": "BD9555FVM-CGTR-ND",
      "mouser": "755-BD9555FVM-CGTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:53:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BD9555FVM-CGTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "755-BD9555FVM-CGTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input, with a recommended operating range of 4.5 V to 42 V and an absolute maximum rating of -0.3 V to +50 V."
      },
      {
        "number": "2",
        "name": "DCENB",
        "type": "input",
        "description": "Enable input: a low level (VIL_DCENB max 3.6 V) fixes OUT at high, and a high level (VIH_DCENB min 4.4 V, up to VIN + 0.2 V) starts the PWM output."
      },
      {
        "number": "3",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Marked N.C. (no connection) in the pin table; the datasheet gives no function for this pin."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "output",
        "description": "PWM output that swings to VOH min 11.0 V at IOH = -10 mA and to VOL max 3.8 V at IOL = 50 mA, with an absolute maximum output current of 70 mA."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "Marked N.C. (no connection) in the pin table; the datasheet gives no function for this pin."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the IC."
      },
      {
        "number": "7",
        "name": "CRT",
        "type": "passive",
        "description": "CR timing connection for the external capacitor CCRT and resistor RCRT, which sets the ramp between the 1.1 V (typ) charge-on and 3.0 V (typ) discharge-on thresholds."
      },
      {
        "number": "8",
        "name": "DISC",
        "type": "passive",
        "description": "Discharge setting pin that sets the discharge path with a typical discharge resistance RD of 50 Ω."
      }
    ],
    "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 gives no KiCad electrical type for CRT or DISC; 'passive' is an inferred classificatio; N.C. pins are listed with no function beyond the label N.C.; type 'unconnected' is taken from the la; Pin descriptions use limits and functions stated in the Pin table, Electrical Characteristics and Ab"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0621,
        "at": "2026-10-18T03:51:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590150517440741376",
        "pages": 15,
        "sha256": "8ef2e509472f042f",
        "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"
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd9555fvm-cgtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2ee660e61ac813051b137f4aec8f8a6511c2fce9e764819701fe73fcfea9d953",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}