BD8379EFV-ME2

{
  "schema_version": 1,
  "type": "component",
  "slug": "bd8379efv-me2",
  "title": "BD8379EFV-ME2",
  "brief": "ROHM Semicon LED Drivers, HTSSOP-20-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",
    "display modules - led drivers - display drivers",
    "bd8379efv-me2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BD8379EFV-ME2",
    "manufacturer": "ROHM Semicon",
    "package": "HTSSOP-20-EP",
    "pin_count": 21,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dc9f29a52cb2c37251850a616ff26456.pdf",
    "parts": {
      "symbol": "bd8379efv-me2.kicad_sym",
      "footprint": "bd8379efv-me2.kicad_mod",
      "model_3d": "bd8379efv-me2-hero.glb",
      "model_3d_plain": "bd8379efv-me2-etched.glb",
      "model_3d_step": "bd8379efv-me2-etched.step",
      "model_3d_step_plain": "bd8379efv-me2.step",
      "lbr": "bd8379efv-me2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678708",
      "digikey": "BD8379EFV-ME2TR-ND",
      "mouser": "755-BD8379EFV-ME2"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:18:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "BD8379EFV-ME2TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "755-BD8379EFV-ME2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply voltage input, recommended 3.0 to 5.5V (absolute max 7V)."
      },
      {
        "number": "2",
        "name": "SERIN",
        "type": "input",
        "description": "Serial data input, taken into the shift register on the rising edge of CLK."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "output",
        "description": "Open-drain output 0, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "output",
        "description": "Open-drain output 1, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "output",
        "description": "Open-drain output 2, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "6",
        "name": "D3",
        "type": "output",
        "description": "Open-drain output 3, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "7",
        "name": "D4",
        "type": "output",
        "description": "Open-drain output 4, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "8",
        "name": "D5",
        "type": "output",
        "description": "Open-drain output 5, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "9",
        "name": "RST_B",
        "type": "input",
        "description": "Active-low reset input; voltage below VTL resets the registers and opens D0 to D11 (Low: FF data 0)."
      },
      {
        "number": "10",
        "name": "OEN_B",
        "type": "input",
        "description": "Output enable input; High forces D0 to D11 open (output OFF), and a PWM signal gives PWM operation."
      },
      {
        "number": "11",
        "name": "SEROUT",
        "type": "output",
        "description": "Serial data output for cascade connection, transferred on the falling edge of CLK (VOH 4.6V min at 5V, -4mA)."
      },
      {
        "number": "12",
        "name": "LATCH",
        "type": "input",
        "description": "Latch signal input; the rising edge (High: data latch) records the shift register data."
      },
      {
        "number": "13",
        "name": "D6",
        "type": "output",
        "description": "Open-drain output 6, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "14",
        "name": "D7",
        "type": "output",
        "description": "Open-drain output 7, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "15",
        "name": "D8",
        "type": "output",
        "description": "Open-drain output 8, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "16",
        "name": "D9",
        "type": "output",
        "description": "Open-drain output 9, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "17",
        "name": "D10",
        "type": "output",
        "description": "Open-drain output 10, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "18",
        "name": "D11",
        "type": "output",
        "description": "Open-drain output 11, 35V max, 50mA DC max, 6Ω typ ON resistance."
      },
      {
        "number": "19",
        "name": "CLK",
        "type": "input",
        "description": "Clock input for the serial shift register, max 1.25MHz."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "21",
        "name": "Thermal PAD",
        "type": "passive",
        "description": "Back side thermal pad; please connect to GND."
      }
    ],
    "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 datasheet lists the thermal pad with pin number '-'. I assigned it number 21 as a placeholder. C; The datasheet does not state pin types. Types were inferred from the functions (D0 to D11 as open-dr",
          "1/21 pins cited to the wrong page (name found elsewhere): ['21:Thermal PAD@p2']"
        ],
        "pages_sent": 20,
        "cost_usd": 0.15,
        "at": "2026-10-23T09:17:26"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/dc9f29a52cb2c37251850a616ff26456.pdf",
        "pages": 20,
        "sha256": "fc31922510b7c2b4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bd8379efv-me2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.41,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "781cc3bc53483e81ba3d02e69368dc14c7dddc6569f8a1fbbb4f4eb3de02de61",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bd8379efv-me2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0ffb89202361fe6c65f02dd11b87c8d85c968019fbbb97c55914866e58de76d9",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM Semicon",
      "Package": "HTSSOP-20-EP",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "21"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fc31922510b7c2b46c5a0b68b49fa2f80274436c1b64b2a476bfd6795711d194",
      "rows": [
        {
          "name": "ON Resistor1",
          "symbol": "RON1",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 6,
          "max": 12,
          "conditions": "ID=20mA, VCC=4.5 to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON Resistor2",
          "symbol": "RON2",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 9,
          "max": 18,
          "conditions": "ID=20mA, VCC=3.0 to 4.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current1",
          "symbol": "IDL1",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "VD=34V, Ta=-40~125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Upper limit threshold voltage1",
          "symbol": "VTH1",
          "kind": "electrical",
          "unit": "xVCC",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "VCC=4.5 to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Upper limit threshold voltage2",
          "symbol": "VTH2",
          "kind": "electrical",
          "unit": "xVCC",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "VCC=3.0 to 4.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Bottom limit threshold voltage1",
          "symbol": "VTL1",
          "kind": "electrical",
          "unit": "xVCC",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC=4.5 to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Bottom limit threshold voltage2",
          "symbol": "VTL2",
          "kind": "electrical",
          "unit": "xVCC",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "VCC=3.0 to 4.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OEN_B Hysteresis width",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.15,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "VCC=5.0, OEN_B PIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Serial clock frequency",
          "symbol": "FCLK",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input leakage Current L",
          "symbol": "IINLL",
          "kind": "electrical",
          "unit": "μA",
          "min": -5,
          "typ": 0,
          "max": null,
          "conditions": "VIN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input leakage Current H",
          "symbol": "IINLH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 5,
          "conditions": "VIN=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Circuit Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.05,
          "max": 1,
          "conditions": "Serial Data Input, VCC=5V, CLK=500KHz, VTH=VCC, VTL=0V, SEROUT=OPEN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static Current",
          "symbol": "ISTN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0,
          "max": 50,
          "conditions": "SEROUT=OPEN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Output Voltage High1",
          "symbol": "VOH1",
          "kind": "electrical",
          "unit": "V",
          "min": 4.6,
          "typ": 4.8,
          "max": null,
          "conditions": "VCC=5V, ISO=-4mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Output Voltage Low1",
          "symbol": "VOL1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "VCC=5V, ISO=4mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Output Voltage High2",
          "symbol": "VOH2",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3,
          "max": null,
          "conditions": "VCC=3.3V, ISO=-4mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Output Voltage Low2",
          "symbol": "VOL2",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": 0.6,
          "conditions": "VCC=3.3V, ISO=4mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CLK period",
          "symbol": "TCK",
          "kind": "timing",
          "unit": "ns",
          "min": 800,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "CLK high pulse width",
          "symbol": "TCKH",
          "kind": "timing",
          "unit": "ns",
          "min": 380,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "CLK low pulse width",
          "symbol": "TCKL",
          "kind": "timing",
          "unit": "ns",
          "min": 380,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SERIN high and low pulse width",
          "symbol": "TSEW",
          "kind": "timing",
          "unit": "ns",
          "min": 780,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SERIN setup time prior to CLK rise",
          "symbol": "TSEST",
          "kind": "timing",
          "unit": "ns",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SERIN hold time after CLK rise",
          "symbol": "TSEHD",
          "kind": "timing",
          "unit": "ns",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "LATCH high pulse time",
          "symbol": "TLAH",
          "kind": "timing",
          "unit": "ns",
          "min": 380,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Last CLK rise to LATCH rise",
          "symbol": "TLADZ",
          "kind": "timing",
          "unit": "ns",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "Ta=-40 to 105°C VCC=3.0 to 5.5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "OEN_B Switching Time (L→H)",
          "symbol": "TDOENH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 3000,
          "conditions": "Ta=-40 to 105℃ VCC=3.0 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "OEN_B Switching Time (H→L)",
          "symbol": "TDOENL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Ta=-40 to 105℃ VCC=3.0 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "LATCH Switching Delay Time",
          "symbol": "TDLAH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 3000,
          "conditions": "Ta=-40 to 105℃ VCC=3.0 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Propagation Delay Time (L→H)",
          "symbol": "TDSOH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Ta=-40 to 105℃ VCC=3.0 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "SEROUT Propagation Delay Time (H→L)",
          "symbol": "TDSOL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Ta=-40 to 105℃ VCC=3.0 to 5.5V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VDmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3 to VCC",
          "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": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drive Current (DC)",
          "symbol": "IomaxD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drive Current (Pulse)",
          "symbol": "IomaxP",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "*1",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "Tjmax",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operational Temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rising Slew Rate",
          "symbol": "SRRISE",
          "kind": "timing",
          "unit": "V/μs",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Ta=25°C, VCC=5V, RL=500Ω, VBAT=10V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Falling Slew Rate",
          "symbol": "SRFALL",
          "kind": "timing",
          "unit": "V/μs",
          "min": null,
          "typ": 20,
          "max": null,
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