BD9G401EFJ-ME2

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  "slug": "bd9g401efj-me2",
  "title": "BD9G401EFJ-ME2",
  "brief": "ROHM DC-DC Converters, HTSOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
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  "component": {
    "mpn": "BD9G401EFJ-ME2",
    "manufacturer": "ROHM",
    "package": "HTSOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a9611b0275122703345a49508f307728.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "LX",
        "type": "output",
        "description": "Switching node. Drain of the internal high-side N-channel power MOSFET (RonH = 140 mΩ typ); connect the external inductor and catch diode here. Absolute max LX-GND = 45 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return for the power stage and control logic. Also serves as the reference for all pin voltage limits."
      },
      {
        "number": "3",
        "name": "VC",
        "type": "output",
        "description": "Error amplifier output / compensation node. Connect an external RC network to GND to set the loop compensation. Absolute max VC-GND = 7 V."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the error amplifier. Internal reference is 0.8 V (typ); connect a resistor divider from VOUT to set the output voltage. Absolute max FB-GND = 7 V."
      },
      {
        "number": "5",
        "name": "SYNC",
        "type": "input",
        "description": "External clock synchronization input, 250 kHz to 500 kHz. VIH ≥ 2.0 V, VIL ≤ 0.8 V; internally pulled down. Tie to GND when the synchronization function is not used. Absolute max SYNC-GND = 7 V."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable / on-off input. VEN < 0.3 V = IC off; 0.3-1.4 V turns internal REG on; > 1.8 V (typ) enables the IC with 10 µA (typ) source current hysteresis. May be driven from a resistor divider off VCC for arbitrary UVLO. Absolute max EN-GND = 45 V."
      },
      {
        "number": "7",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap capacitor terminal for the high-side FET gate drive. Connect a 0.1 µF capacitor from BST to LX. Absolute max BST-GND = 50 V, BST-LX = 7 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply pin, 4.5 V to 42 V operating (4.65 V required for start-up). Bypass with a 10 µF / 50 V ceramic close to the pin. Absolute max VCC-GND = 45 V."
      },
      {
        "number": "9",
        "name": "THERMAL_PAD",
        "type": "passive",
        "description": "Exposed thermal pad on the package underside. Must always be connected to GND and to a copper heat-spreading area/thermal vias for heat dissipation."
      }
    ],
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
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  "metadata": {
    "specs": {
      "Manufacturer": "ROHM",
      "Package": "HTSOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
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          "name": "VCC Standby Current",
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          "kind": "electrical",
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          "name": "Oscillator Frequency",
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          "min": 270,
          "typ": 300,
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        {
          "name": "MaxDuty Cycle",
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          "unit": "%",
          "min": 95,
          "typ": 97,
          "max": 99.9,
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        {
          "name": "FB Threshold Voltage (Ta= 25°C)",
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          "name": "FB Threshold Voltage (Ta= -40 to +105°C)",
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        {
          "name": "FB Input Bias Current",
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          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VFB= 3.0V",
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        {
          "name": "FB Leak Current",
          "symbol": "Ileak",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VFB= 0V",
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        },
        {
          "name": "SoftStart Time",
          "symbol": "tsoft",
          "kind": "electrical",
          "unit": "ms",
          "min": 5.6,
          "typ": 8,
          "max": 10.4,
          "conditions": "VSYNC= 0V",
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        {
          "name": "Over Current Detect",
          "symbol": "Iocp",
          "kind": "electrical",
          "unit": "A",
          "min": 4,
          "typ": 6,
          "max": null,
          "conditions": "",
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        {
          "name": "EN Terminal Internal REG ON-Voltage",
          "symbol": "VENON",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": null,
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          "name": "EN Terminal IC Output on Threshold",
          "symbol": "VENUV",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 1.95,
          "conditions": "IC on or off threshold",
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        {
          "name": "EN Terminal Source Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "VEN= 3V",
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        {
          "name": "SYNC Terminal Control Voltage High",
          "symbol": "VSYNCH",
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          "name": "SYNC Terminal Control Voltage Low",
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          "unit": "V",
          "min": -0.3,
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          "name": "SYNC Terminal Input Current",
          "symbol": "ISYNC",
          "kind": "electrical",
          "unit": "µA",
          "min": 6,
          "typ": 12,
          "max": 24,
          "conditions": "VSYNC= 3V",
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        {
          "name": "Power Supply Voltage (recommended)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 42,
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        {
          "name": "Output Voltage (recommended)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
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          "name": "Output Current (recommended)",
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          "kind": "recommended_operating",
          "unit": "A",
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          "name": "SYNC Terminal Input Frequency",
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          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 250,
          "typ": null,
          "max": 500,
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        {
          "name": "Input Capacitance",
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          "kind": "recommended_operating",
          "unit": "µF",
          "min": 2.2,
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          "name": "Inductance",
          "symbol": "L",
          "kind": "recommended_operating",
          "unit": "µH",
          "min": 11,
          "typ": null,
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        {
          "name": "VCC-GND Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
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        {
          "name": "BST-GND Voltage",
          "symbol": "VBST",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
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        {
          "name": "BST-LX Voltage",
          "symbol": "VBST-LX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
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        {
          "name": "EN-GND Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
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        {
          "name": "LX-GND Voltage",
          "symbol": "VLX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
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        {
          "name": "FB-GND Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "name": "VC-GND Voltage",
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          "name": "SYNC-GND Voltage",
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          "name": "Operating Temperature",
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          "name": "Storage Temperature",
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