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Ray Set visibility: public 2cf3a38 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bd90620efj-ce2",
  "title": "BD90620EFJ-CE2",
  "brief": "ROHM Semicon DC-DC Converters, HTSOP-8-EP. 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 ics",
    "bd90620efj-ce2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BD90620EFJ-CE2",
    "manufacturer": "ROHM Semicon",
    "package": "HTSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/629cf9cb8bd0aa0465c8be44e1d5557d.pdf",
    "parts": {
      "symbol": "bd90620efj-ce2.kicad_sym",
      "footprint": "bd90620efj-ce2.kicad_mod",
      "model_3d": "bd90620efj-ce2-hero.glb",
      "model_3d_plain": "bd90620efj-ce2-etched.glb",
      "model_3d_step": "bd90620efj-ce2-etched.step",
      "model_3d_step_plain": "bd90620efj-ce2.step",
      "lbr": "bd90620efj-ce2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071828",
      "digikey": "BD90620EFJ-CE2TR-ND",
      "mouser": "755-BD90620EFJ-CE2"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T06:24:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BD90620EFJ-CE2TR-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "755-BD90620EFJ-CE2",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RT",
        "type": "passive",
        "description": "Switching frequency setting resistor connection; the resistor sets the switching frequency in the 50 kHz to 600 kHz range."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switching output of the integrated Pch POWER MOSFET."
      },
      {
        "number": "3",
        "name": "EN / SYNC",
        "type": "input",
        "description": "Enable and external clock input; normal operation above 2.6 V, shutdown below 0.8 V, and an external clock within ±20 % of the RT-set frequency synchronizes switching."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "VC",
        "type": "output",
        "description": "Error amplifier output that controls the switching duty and connects to the external phase compensation circuit."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input (3.5 V to 36 V, initial startup over 3.9 V); must be shorted to PVIN."
      },
      {
        "number": "7",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power supply input for the power stage; must be shorted to VIN."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input compared with the 0.8 V (Typ) reference of the error amplifier."
      },
      {
        "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package hint says HTSOP-8-EP, but the supplied pages list no exposed-pad or FIN pin for HTSOP-J8; Pin types for RT (passive) and VC (output) are inferred from their functions, because the datasheet "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0956,
        "at": "2026-10-31T06:24:02"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/629cf9cb8bd0aa0465c8be44e1d5557d.pdf",
        "pages": 43,
        "sha256": "10ed871c6d5e80ea",
        "source_tier": "mfr"
      },
      "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": "bd90620efj-ce2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5725ef8fdb2a59de31e3e536dac45cd9ef218380d71f34406b961c302e1ec9b9",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd90620efj-ce2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d21dfefa3c542282a11575d74b7df34ceb6526b0b7bf77e155e76766027a296c",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "HTSOP-8-EP",
      "Category": "Power Management ICs",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "10ed871c6d5e80ea3cfb58d1d5d141185a181ad0dacd149922c382ec6bf2d44e",
      "rows": [
        {
          "name": "Operating Output Switch Current of Overcurrent Protection",
          "symbol": "ISWLIMIT20",
          "kind": "electrical",
          "unit": "A",
          "min": 2.5,
          "typ": 4.3,
          "max": null,
          "conditions": "Ta = -40 °C to +125 °C, VIN = 13.2 V, VEN/SYNC = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Circuit Current",
          "symbol": "ISDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 5,
          "conditions": "VEN / SYNC = 0 V, Ta < 105 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 3.3,
          "conditions": "Io = 0 A, VFB = 2 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "POWER MOSFET ON Resistance",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.16,
          "max": 0.32,
          "conditions": "ISW = 30 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Leak Current",
          "symbol": "IOLK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 5,
          "conditions": "VIN = 36 V, VEN / SYNC = 0 V, Ta < 105 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage 1",
          "symbol": "VREF1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.792,
          "typ": 0.8,
          "max": 0.808,
          "conditions": "VVC = VFB, Ta = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage 2",
          "symbol": "VREF2",
          "kind": "electrical",
          "unit": "V",
          "min": 0.784,
          "typ": 0.8,
          "max": 0.816,
          "conditions": "VVC = VFB",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VC Sink Current",
          "symbol": "IVCSINK",
          "kind": "electrical",
          "unit": "μA",
          "min": -76.5,
          "typ": -54,
          "max": -31.5,
          "conditions": "VVC = 1.25 V, VFB = 1.3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VC Source Current",
          "symbol": "IVCSOURCE",
          "kind": "electrical",
          "unit": "μA",
          "min": 31.5,
          "typ": 54,
          "max": 76.5,
          "conditions": "VVC = 1.25 V, VFB = 0.3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Trans Conductance",
          "symbol": "GEA",
          "kind": "electrical",
          "unit": "μA / V",
          "min": 135,
          "typ": 270,
          "max": 540,
          "conditions": "IVC = ±10 μA, VVC = 1.25 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 1.13,
          "typ": 1.38,
          "max": 1.63,
          "conditions": "RRT = 27 kΩ",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": 450,
          "typ": 500,
          "max": 550,
          "conditions": "RRT = 27 kΩ",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable / Sync Threshold Voltage",
          "symbol": "VEN / SYNC",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": 1.9,
          "max": 2.6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SYNC Current",
          "symbol": "IEN / SYNC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 23,
          "max": 50,
          "conditions": "VEN / SYNC = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO ON Mode Voltage",
          "symbol": "VUVLO_ON",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.24,
          "max": 3.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO OFF Mode Voltage",
          "symbol": "VUVLO_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.52,
          "max": 3.9,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage Input Regulation",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "3.5 V ≤ VIN ≤ 36 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Sense Trans Conductance",
          "symbol": "GCS",
          "kind": "electrical",
          "unit": "A / V",
          "min": null,
          "typ": 5.2,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Frequency Input Regulation",
          "symbol": "ΔfSW",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "3.5 V ≤ VIN ≤ 36 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO Hysteresis",
          "symbol": "VUVLO_HYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 280,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Power Supply Voltage",
          "symbol": "VIN, PVIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 42,
          "conditions": "Ta = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN / SYNC Pin Voltage",
          "symbol": "VEN / SYNC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit VIN; Ta = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RT, VC, FB Pin Voltage",
          "symbol": "VRT, VVC, VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "Ta = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation HTSOP-J8",
          "symbol": "Pd",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3.1,
          "conditions": "Reduce by 24.8 mW / °C above 25 °C; 4-layer board",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "Tjmax",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Power Supply Voltage",
          "symbol": "VIN, PVIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": 36,
          "conditions": "Initial startup is over 3.9 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Switch Current",
          "symbol": "ISW20",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "BD90620HFP/EFJ-C; includes output DC current and ripple current",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "Upper limit VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Min ON Pulse Width",
          "symbol": "TON_MIN",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": 250,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 50,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency Set Resistance",
          "symbol": "RRT",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 22,
          "typ": null,
          "max": 330,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Synchronous Operation Frequency Range",
          "symbol": "fSYNC",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 50,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Synchronous Operation Frequency",
          "symbol": "fSYNC_RT",
          "kind": "recommended_operating",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "External Clock ON Duty",
          "symbol": "DSYNC",
          "kind": "recommended_operating",
          "unit": "%",
          "min": 10,
          "typ": null,
          "max": 90,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Capacitance of Input Capacitor",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "Including temperature, DC bias and aging change",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient, 1-layer PCB (HTSOP-J8)",
          "symbol": "θja",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 189.4,
          "max": null,
          "conditions": "1-layer PCB, 114.3 mm x 76.2 mm x 1.60 mmt",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Ambient, 4-layer PCB (HTSOP-J8)",
          "symbol": "θja",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 40.3,
          "max": null,
          "conditions": "4-layer PCB, 114.3 mm x 76.2 mm x 1.60 mmt",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case Top (HTSOP-J8)",
          "symbol": "θjc",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 44,
          "max": null,
          "conditions": "Top",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case Bottom (HTSOP-J8)",
          "symbol": "θjc",
          "kind": "thermal",
          "unit": "°C / W",
          "min": null,
          "typ": 14,
          "max": null,
          "conditions": "Bottom",
          "source_page": 32,
          "source": "datasheet"
        },
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