BD9B400MUV-E2

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  "title": "BD9B400MUV-E2",
  "brief": "ROHM DC-DC Converters, VQFN-16-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "BD9B400MUV-E2",
    "manufacturer": "ROHM",
    "package": "VQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201110030_ROHM-Semicon-BD9B400MUV-E2_C2070999.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power supply input to the switching regulator output stage (2.7 V to 5.5 V). Tied in parallel with pin 2. Requires a 22µF ceramic bypass capacitor."
      },
      {
        "number": "2",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power supply input to the switching regulator output stage (2.7 V to 5.5 V). Tied in parallel with pin 1."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the switching regulator output stage. Tied in parallel with pin 4."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the switching regulator output stage. Tied in parallel with pin 3."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the control circuit. Kelvin-connect to PGND at a single point."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input, the inverting input to the error amplifier and main comparator. Regulates to VFB = 0.8 V (typ, 0.792-0.808 V) via an external resistor divider from VOUT."
      },
      {
        "number": "7",
        "name": "FREQ",
        "type": "input",
        "description": "Switching-frequency select. Tie to GND for constant on-time corresponding to 2 MHz; tie to AVIN for 1 MHz. Must be fixed to AVIN or ground in operation."
      },
      {
        "number": "8",
        "name": "MODE",
        "type": "input",
        "description": "Switching-control mode select. Tie to AVIN for fixed-frequency PWM; tie to GND to enable Deep-SLLM auto mode (auto switching between Deep-SLLM and fixed PWM). Must be fixed to AVIN or ground in operation."
      },
      {
        "number": "9",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start timing. Connect a capacitor to GND to set the output-voltage rise time; internal soft-start current ISS ≈ 1 µA (typ). Internal soft-start defaults to 1 ms (typ) when SS is open."
      },
      {
        "number": "10",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node - source of the high-side MOSFET and drain of the low-side MOSFET. Pins 10, 11, 12 are internally connected; connect the output inductor here (0.47µH-1µH for FREQ=L, 1µH-1.5µH for FREQ=H)."
      },
      {
        "number": "11",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node (paralleled with pins 10 and 12)."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "power_out",
        "description": "Switch node (paralleled with pins 10 and 11). A 0.1µF bootstrap capacitor between SW and BOOT is required."
      },
      {
        "number": "13",
        "name": "BOOT",
        "type": "passive",
        "description": "Bootstrap capacitor node for the high-side MOSFET gate drive. Connect a 0.1µF ceramic capacitor between BOOT and SW; V(BOOT-SW) is the high-side gate-drive supply (~5 V)."
      },
      {
        "number": "14",
        "name": "PGD",
        "type": "output",
        "description": "Power-Good open-drain output. Requires an external pull-up resistor. Goes high-Z (High) when VFB exceeds 80% of 0.8 V; RPGD ≈ 100 Ω (typ), max sink 1 mA gives VOL ≈ 0.1 V."
      },
      {
        "number": "15",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Drive Low (≤0.8 V) to enter shutdown; drive High (≥2.0 V) to enable the device. IEN ≈ 5 µA @ EN=5V. Must be terminated (no internal pull)."
      },
      {
        "number": "16",
        "name": "AVIN",
        "type": "power_in",
        "description": "Analog/control-circuit supply (2.7 V to 5.5 V). Must be connected to PVIN. A 0.1µF ceramic bypass capacitor is recommended."
      },
      {
        "number": "17",
        "name": "E-Pad",
        "type": "power_in",
        "description": "Backside exposed thermal pad. Connect to the internal PCB ground plane with multiple thermal vias for heat dissipation."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "ROHM",
      "Package": "VQFN-16-EP(3x3)",
      "Category": "PMIC",
      "Pins": "17"
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          "name": "MODE Terminal Voltage",
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          "name": "Operating Temperature Range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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        {
          "name": "Storage Temperature Range",
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          "min": -55,
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          "name": "Supply Voltage",
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          "kind": "recommended_operating",
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          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "Ta= -40°C to +85°C",
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          "conditions": "Ta= -40°C to +85°C; Pd, ASO should not be exceeded",
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        {
          "name": "Output Voltage Range",
          "symbol": "VRANGE",
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          "name": "Standby Supply Current",
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          "min": null,
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          "max": 10,
          "conditions": "EN=GND",
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          "kind": "electrical",
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          "conditions": "FREQ=AVIN, IOUT=0mA, Non switching",
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        {
          "name": "UVLO Detection Threshold",
          "symbol": "VUVLO1",
          "kind": "electrical",
          "unit": "V",
          "min": 2.35,
          "typ": 2.45,
          "max": 2.55,
          "conditions": "VIN falling",
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        {
          "name": "UVLO Release Threshold",
          "symbol": "VUVLO2",
          "kind": "electrical",
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          "min": 2.425,
          "typ": 2.55,
          "max": 2.7,
          "conditions": "VIN rising",
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        {
          "name": "UVLO Hysteresis",
          "symbol": "VUVLOHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 100,
          "max": 200,
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        {
          "name": "EN Input High Level Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 2,
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          "name": "EN Input Low Level Voltage",
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          "name": "FB Terminal Voltage",
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        {
          "name": "FB Input Bias Current",
          "symbol": "IFB",
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          "max": 1,
          "conditions": "FB=0.8V",
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        {
          "name": "Internal Soft Start Time",
          "symbol": "TSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.5,
          "typ": 1,
          "max": 2,
          "conditions": "SS terminal is open",
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          "name": "Soft Start Terminal Current",
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          "kind": "electrical",
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          "min": 0.5,
          "typ": 1,
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          "name": "FREQ Input Low Level Voltage",
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          "kind": "electrical",
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          "name": "MODE Input Low Level Voltage",
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        {
          "name": "On time1",
          "symbol": "ONT1",
          "kind": "electrical",
          "unit": "ns",
          "min": 96,
          "typ": 120,
          "max": 144,
          "conditions": "VOUT=1.2V, FREQ=GND",
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          "name": "On time2",
          "symbol": "ONT2",
          "kind": "electrical",
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          "min": 192,
          "typ": 240,
          "max": 288,
          "conditions": "VOUT=1.2V, FREQ=AVIN",
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        {
          "name": "Power Good Rising Threshold",
          "symbol": "VPGDH",
          "kind": "electrical",
          "unit": "%",
          "min": 75,
          "typ": 80,
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          "conditions": "FB rising, VPGDH=FB/VFBx100",
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          "name": "Power Good Falling Threshold",
          "symbol": "VPGDL",
          "kind": "electrical",
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          "name": "Output Leakage Current",
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          "name": "Power Good On Resistance",
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          "kind": "electrical",
          "unit": "Ω",
          "min": null,
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          "name": "Power Good Low Level Voltage",
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          "unit": "V",
          "min": null,
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          "max": 0.2,
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          "name": "High Side FET On Resistance",
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          "kind": "electrical",
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          "max": 60,
          "conditions": "BOOT - SW = 5 V",
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          "name": "High Side Output Leakage Current",
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          "min": null,
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          "max": 10,
          "conditions": "No switching",
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        },
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          "name": "Thermal Resistance Junction to Ambient (1s board)",
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          "typ": 189,
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          "min": null,
          "typ": 57.5,
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          "name": "Junction to Top Characterization Parameter (1s board)",
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          "typ": 23,
          "max": null,
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          "name": "Junction to Top Characterization Parameter (2s2p board)",
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