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Ray Set visibility: public 2b36144 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bd7682fj-lbe2",
  "title": "BD7682FJ-LBE2",
  "brief": "ROHM Semicon AC-DC Controllers & Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management",
    "bd7682fj-lbe2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BD7682FJ-LBE2",
    "manufacturer": "ROHM Semicon",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dba7e36ec08c1083b85cd31a91341a43.pdf",
    "parts": {
      "symbol": "bd7682fj-lbe2.kicad_sym",
      "footprint": "bd7682fj-lbe2.kicad_mod",
      "model_3d": "bd7682fj-lbe2-hero.glb",
      "model_3d_plain": "bd7682fj-lbe2-etched.glb",
      "model_3d_step": "bd7682fj-lbe2-etched.step",
      "model_3d_step_plain": "bd7682fj-lbe2.step",
      "lbr": "bd7682fj-lbe2.lbr"
    },
    "distributor_links": {
      "lcsc": "C17458028",
      "digikey": "BD7682FJ-LBE2TR-ND",
      "mouser": "755-BD7682FJ-LBE2"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:00:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BD7682FJ-LBE2TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "755-BD7682FJ-LBE2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ZT",
        "type": "input",
        "description": "Zero current detect pin with a ZT pin maximum current of 3.0 mA and ZT overvoltage detection at VZTL typ 3.5V latched after tLATCH typ 150us."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Feedback signal input pin with an absolute maximum applied voltage of -0.3 to +6.5V, where overload protection is triggered when FB stays above VFOLP1 typ 2.8V and the timer times out."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin with an absolute maximum applied voltage of -0.3 to +6.5V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the IC."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "MOSFET gate drive pin with an absolute maximum applied voltage of -0.3 to +25.0V."
      },
      {
        "number": "6",
        "name": "MASK",
        "type": "output",
        "description": "Open-drain output that drives an external transistor to hold VCC constant, with an absolute maximum applied voltage of -0.3 to +32.0V and left open when unused."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin with a recommended operating range of 15.0 to 27.5V and an absolute maximum applied voltage of -0.3 to +32.0V."
      },
      {
        "number": "8",
        "name": "BO",
        "type": "bidirectional",
        "description": "Brown-out monitor pin with a B.O. detection voltage of 1.000V typ and an absolute maximum applied voltage of -0.3 to +6.5V."
      }
    ],
    "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: MPN BD7682FJ-LBE2 maps to package FJ (SOP-J8) with E2 embossed tape and reel per the ordering inform"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0142,
        "at": "2026-10-28T15:59:59"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dba7e36ec08c1083b85cd31a91341a43.pdf",
        "pages": 30,
        "sha256": "890e4fec2b1d7c71",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "bd7682fj-lbe2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd7682fj-lbe2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "85ae14635f5f27083f5587a54f9844c905b5459602bdd203e862a6bba01d8967",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "SOIC-8",
      "Category": "Power Management",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "890e4fec2b1d7c7189aa4ac7508e32687a4d1db700bb516bd48abcc26306364b",
      "rows": [
        {
          "name": "Maximum Applied Voltage 1",
          "symbol": "Vmax1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 32,
          "conditions": "OUT, VCC, MASK",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Applied Voltage 2",
          "symbol": "Vmax2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "ZT, CS, FB, BO",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Applied Voltage 3",
          "symbol": "Vmax3",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "OUT",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ZT Pin Maximum Current1",
          "symbol": "ISZT1",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ZT Pin Maximum Current2",
          "symbol": "ISZT2",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.67,
          "conditions": "SOP-J8 mounted on 70 mm x 70 mm, 1.6 mm glass epoxy single-layer substrate; de-rated 5.4mW/°C above Ta=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "MAX Junction Temperature",
          "symbol": "Tjmax",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstr",
          "kind": "thermal",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage Range",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 15,
          "typ": null,
          "max": 27.5,
          "conditions": "VCC pin voltage",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current (OFF)",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": 10,
          "typ": 19,
          "max": 30,
          "conditions": "VCC=18.0V (VCC UVLO=Disable)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current (ON) 1",
          "symbol": "ION1",
          "kind": "electrical",
          "unit": "µA",
          "min": 300,
          "typ": 800,
          "max": 1500,
          "conditions": "FB=1.0V (at pulse operation)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current (ON) 2",
          "symbol": "ION2",
          "kind": "electrical",
          "unit": "µA",
          "min": 150,
          "typ": 500,
          "max": 1000,
          "conditions": "FB=0.0V (at burst operation)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current (Protect circuit is on)",
          "symbol": "Iprotect",
          "kind": "electrical",
          "unit": "µA",
          "min": 800,
          "typ": 1600,
          "max": 2200,
          "conditions": "FBOLP,VCCOVP,ZTOVP",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "B.O. Detection Voltage",
          "symbol": "VBO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.92,
          "typ": 1,
          "max": 1.08,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "B.O. Detection Hysteresis Current",
          "symbol": "IBO",
          "kind": "electrical",
          "unit": "µA",
          "min": 10,
          "typ": 15,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO Voltage 1",
          "symbol": "VUVLO1",
          "kind": "electrical",
          "unit": "V",
          "min": 19,
          "typ": 19.5,
          "max": 20,
          "conditions": "VCC rise",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO Voltage 2",
          "symbol": "VUVLO2",
          "kind": "electrical",
          "unit": "V",
          "min": 13,
          "typ": 14,
          "max": 15,
          "conditions": "VCC fall",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC OVP Voltage 1",
          "symbol": "VOVP1",
          "kind": "electrical",
          "unit": "V",
          "min": 27.5,
          "typ": 29.5,
          "max": 31.5,
          "conditions": "VCC rise",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC OVP Voltage 2",
          "symbol": "VOVP2",
          "kind": "electrical",
          "unit": "V",
          "min": 21,
          "typ": 23,
          "max": 25,
          "conditions": "VCC fall",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Latch Mask Time",
          "symbol": "tLATCH",
          "kind": "timing",
          "unit": "µs",
          "min": 50,
          "typ": 150,
          "max": 250,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Pin pull-up Resistance",
          "symbol": "RFB",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 15,
          "typ": 20,
          "max": 25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS Over-Current Sensor Voltage 1A",
          "symbol": "VLIM1A",
          "kind": "electrical",
          "unit": "V",
          "min": 0.95,
          "typ": 1,
          "max": 1.05,
          "conditions": "FB=2.2V (IZT>-1mA)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS Over-Current Sensor Voltage 1B",
          "symbol": "VLIM1B",
          "kind": "electrical",
          "unit": "V",
          "min": 0.62,
          "typ": 0.7,
          "max": 0.78,
          "conditions": "FB=2.2V (IZT<-1mA)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS Over-Current Sensor Voltage 2A",
          "symbol": "VLIM2A",
          "kind": "electrical",
          "unit": "V",
          "min": 0.2,
          "typ": 0.3,
          "max": 0.4,
          "conditions": "FB=0.6V (IZT>-1mA)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS Over-Current Sensor Voltage 2B",
          "symbol": "VLIM2B",
          "kind": "electrical",
          "unit": "V",
          "min": 0.14,
          "typ": 0.21,
          "max": 0.28,
          "conditions": "FB=0.6V (IZT<-1mA)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CS Switching ZT Current",
          "symbol": "IZT",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Frequency 1",
          "symbol": "fSW1",
          "kind": "electrical",
          "unit": "kHz",
          "min": 106,
          "typ": 120,
          "max": 134,
          "conditions": "FB=2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Frequency 2",
          "symbol": "fSW2",
          "kind": "electrical",
          "unit": "kHz",
          "min": 20,
          "typ": 30,
          "max": 40,
          "conditions": "FB=0.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency Reduction Start FB Voltage",
          "symbol": "VFBSW1",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": 1.25,
          "max": 1.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency Reduction End FB Voltage 1",
          "symbol": "VFBSW2",
          "kind": "electrical",
          "unit": "V",
          "min": 0.4,
          "typ": 0.5,
          "max": 0.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AVCS",
          "kind": "electrical",
          "unit": "V/V",
          "min": 1.7,
          "typ": 2,
          "max": 2.3,
          "conditions": "ΔVFB/ΔVCS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZT Comparator Voltage 1",
          "symbol": "VZT1",
          "kind": "electrical",
          "unit": "mV",
          "min": 60,
          "typ": 100,
          "max": 140,
          "conditions": "ZT fall",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZT Comparator Voltage 2",
          "symbol": "VZT2",
          "kind": "electrical",
          "unit": "mV",
          "min": 120,
          "typ": 200,
          "max": 280,
          "conditions": "ZT rise",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZT Trigger Mask Time",
          "symbol": "tZTMASK",
          "kind": "timing",
          "unit": "µs",
          "min": 0.25,
          "typ": 0.6,
          "max": 0.95,
          "conditions": "For noise prevention after OUT H⇒L",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZT Trigger Timeout Period 1",
          "symbol": "tZTOUT",
          "kind": "timing",
          "unit": "µs",
          "min": 8,
          "typ": 15,
          "max": 24,
          "conditions": "Count from final ZT trigger (1-stage)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ZT Trigger Timeout Period 2",
          "symbol": "tZTOUT2",
          "kind": "timing",
          "unit": "µs",
          "min": 2,
          "typ": 5,
          "max": 8,
          "conditions": "Count from final ZT trigger (2-stage)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Time",
          "symbol": "tZTON",
          "kind": "timing",
          "unit": "µs",
          "min": 27,
          "typ": 45,
          "max": 62,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time 1",
          "symbol": "tSS1",
          "kind": "timing",
          "unit": "ms",
          "min": 0.6,
          "typ": 1,
          "max": 1.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time 2",
          "symbol": "tSS2",
          "kind": "timing",
          "unit": "ms",
          "min": 2.4,
          "typ": 4,
          "max": 5.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB OLP Voltage 1",
          "symbol": "VFOLP1",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 2.8,
          "max": 3.1,
          "conditions": "FB rise",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB OLP Voltage 2",
          "symbol": "VFOLP2",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": 2.6,
          "max": 2.9,
          "conditions": "FB fall",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FB OLP Timer",
          "symbol": "tFOLP",
          "kind": "timing",
          "unit": "ms",
          "min": 90,
          "typ": 128,
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