ADUM4146BRWZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "adum4146brwz",
  "title": "ADUM4146BRWZ",
  "brief": "Analog Devices Isolators - Gate Drivers, SOIC-16. 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 (pmic)",
    "adum4146brwz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADUM4146BRWZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "Isolators - Gate Drivers",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/adum4146.pdf",
    "parts": {
      "symbol": "adum4146brwz.kicad_sym",
      "footprint": "adum4146brwz.kicad_mod",
      "model_3d": "adum4146brwz-hero.glb",
      "model_3d_plain": "adum4146brwz-etched.glb",
      "model_3d_step": "adum4146brwz-etched.step",
      "model_3d_step_plain": "adum4146brwz.step",
      "lbr": "adum4146brwz.lbr"
    },
    "distributor_links": {
      "lcsc": "C17510307",
      "digikey": "505-ADUM4146BRWZ-ND",
      "mouser": "584-ADUM4146BRWZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:29:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADUM4146BRWZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-ADUM4146BRWZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS1",
        "type": "power_in",
        "description": "Ground reference for the primary side."
      },
      {
        "number": "2",
        "name": "VI+",
        "type": "input",
        "description": "Positive logic CMOS input drive signal, referenced to VSS1 (-0.3 V to +6.5 V)."
      },
      {
        "number": "3",
        "name": "VI−",
        "type": "input",
        "description": "Negative logic CMOS input drive signal, referenced to VSS1 (-0.3 V to +6.5 V)."
      },
      {
        "number": "4",
        "name": "READY",
        "type": "output",
        "description": "Open-drain logic output needing a pull-up resistor; high indicates the device is functional and ready, and low precludes the gate drive output from going high."
      },
      {
        "number": "5",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain logic output needing a pull-up resistor; low indicates a desaturation fault and precludes the gate drive output from going high."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "input",
        "description": "CMOS input with 300 kΩ internal pull-down; bring low (for more than 500 ns) to clear a fault."
      },
      {
        "number": "7",
        "name": "VDD1",
        "type": "power_in",
        "description": "Input supply voltage on the primary side, 2.5 V to 5.5 V, referenced to VSS1."
      },
      {
        "number": "8",
        "name": "VSS1",
        "type": "power_in",
        "description": "Ground reference for the primary side."
      },
      {
        "number": "9",
        "name": "VSS2",
        "type": "power_in",
        "description": "Negative supply for the secondary side, -15 V to 0 V, referenced to GND2."
      },
      {
        "number": "10",
        "name": "DESAT",
        "type": "input",
        "description": "Desaturation detection input; connect to an external current source or pull-up resistor, a fault asserts FAULT on the primary side and suspends the gate drive."
      },
      {
        "number": "11",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground reference for the secondary side; connect to the source of the SiC MOSFET being driven."
      },
      {
        "number": "12",
        "name": "VOUT_OFF",
        "type": "output",
        "description": "Gate drive output current path for the off signal."
      },
      {
        "number": "13",
        "name": "VDD2",
        "type": "power_in",
        "description": "Secondary side input supply voltage, 12 V to 30 V, referenced to VSS2."
      },
      {
        "number": "14",
        "name": "VOUT_ON",
        "type": "output",
        "description": "Gate drive output current path for the on signal."
      },
      {
        "number": "15",
        "name": "GATE_SENSE",
        "type": "bidirectional",
        "description": "Gate voltage sense input and Miller clamp output; connect to the gate of the power device, or tie to VSS2 when the Miller clamp is not used."
      },
      {
        "number": "16",
        "name": "VSS2",
        "type": "power_in",
        "description": "Negative supply for the secondary side, -15 V to 0 V, referenced to GND2."
      }
    ],
    "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: Datasheet gives VDD1 as 2.5 V to 5.5 V in the pin table but 2.5 V to 6 V in the electrical character; Pins 1 and 8 (VSS1) and pins 9 and 16 (VSS2) are listed as shared mnemonics; each physical pin is ou; The pin-type assignment for GATE_SENSE (bidirectional) and DESAT (input) is inferred from the descri"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1693,
        "at": "2026-10-30T16:29:40"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/adum4146.pdf",
        "pages": 17,
        "sha256": "82d414a6f5eff6ec",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adum4146brwz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adum4146brwz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fd6ec4eb40814080368b905f868fdf5a0fabe4c009ddfbaf50207c1a13022120",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "appearance": {
      "housing": {
        "quote": "In accordance with DIN V VDE V 0884-11, each ADuM4146 is proof tested by applying an insulation test voltage ≥ 4031 V peak for 1 second (partial discharge detection limit = 5 pC).",
        "page": 6,
        "doc": "ds.pdf",
        "material": "pC"
      },
      "version": 1,
      "datasheet_sha256": "82d414a6f5eff6ec8cf3ea12675a85a96ff292fd2421264ad251d1fdf2b21ae1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "82d414a6f5eff6ec8cf3ea12675a85a96ff292fd2421264ad251d1fdf2b21ae1",
      "rows": [
        {
          "name": "VDD2 Input Voltage",
          "symbol": "VDD2",
          "kind": "electrical",
          "unit": "V",
          "min": 12,
          "typ": null,
          "max": 30,
          "conditions": "VDD2 − VSS2 ≤ 30 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VSS2 Input Voltage",
          "symbol": "VSS2",
          "kind": "electrical",
          "unit": "V",
          "min": -15,
          "typ": null,
          "max": 0,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD2 Quiescent Input Current",
          "symbol": "IDD2 (Q)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.9,
          "max": 6.5,
          "conditions": "Ready high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VSS2 Quiescent Input Current",
          "symbol": "ISS2 (Q)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.82,
          "max": 6.21,
          "conditions": "Ready high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Input Voltage",
          "symbol": "VDD1",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Input Current, Output Low",
          "symbol": "IDD1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.78,
          "max": 2.17,
          "conditions": "Output signal low",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Input Current, Output High",
          "symbol": "IDD1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 10.45,
          "max": 14.5,
          "conditions": "Output signal high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current (VI+ and VI− Only)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0.01,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic High Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "VDD1 − VSS1 > 5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Low Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VDD1 − VSS1 > 5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Positive Going Threshold",
          "symbol": "VVDD1UV+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.43,
          "max": 2.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Negative Going Threshold",
          "symbol": "VVDD1UV−",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.2,
          "max": 2.34,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD2 Positive Going Threshold",
          "symbol": "VVDD2UV+",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 11.5,
          "max": 12,
          "conditions": "Grade B and Grade C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD2 Negative Going Threshold",
          "symbol": "VVDD2UV−",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 10.4,
          "max": 11.1,
          "conditions": "Grade B and Grade C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FAULT Pull-Down FET Resistance",
          "symbol": "RFAULT_PD_FET",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 11,
          "max": 50,
          "conditions": "Tested at 5 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "READY Pull-Down FET Resistance",
          "symbol": "RRDY_PD_FET",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 11,
          "max": 50,
          "conditions": "Tested at 5 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Desaturation Detect Comparator Voltage",
          "symbol": "VDESAT, TH",
          "kind": "electrical",
          "unit": "V",
          "min": 8.73,
          "typ": 9.2,
          "max": 9.61,
          "conditions": "Grade B",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Desaturation Internal Current Source",
          "symbol": "IDESAT_SRC",
          "kind": "electrical",
          "unit": "µA",
          "min": 470,
          "typ": 527,
          "max": 593,
          "conditions": "Grade B",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Miller Clamp Voltage Threshold",
          "symbol": "VCLP_TH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.75,
          "typ": 2,
          "max": 2.25,
          "conditions": "Referenced to VSS2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pull-Down NMOS On Resistance",
          "symbol": "RDSON_N",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 470,
          "max": 807,
          "conditions": "Tested at 250 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Pull-Down NMOS On Resistance",
          "symbol": "RDSON_N",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 470,
          "max": 807,
          "conditions": "Tested at 1 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pull-Up PMOS On Resistance",
          "symbol": "RDSON_P",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 471,
          "max": 975,
          "conditions": "Tested at 250 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pull-Up PMOS On Resistance",
          "symbol": "RDSON_P",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 479,
          "max": 975,
          "conditions": "Tested at 1 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft Shutdown NMOS On Resistance",
          "symbol": "RDSON_FAULT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 10.2,
          "max": 22,
          "conditions": "Grade B, tested at 25 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal Miller Clamp Resistance",
          "symbol": "RDSON_MILLER",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1.1,
          "max": 2.75,
          "conditions": "Tested at 100 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pulse Width",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "CL = 2 nF, VDD2 = 15 V, RGON = RGOFF = 3.9 Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "RESET Debounce",
          "symbol": "tDEB_RESET",
          "kind": "timing",
          "unit": "ns",
          "min": 500,
          "typ": 615,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay",
          "symbol": "tDHL, tDLH",
          "kind": "timing",
          "unit": "ns",
          "min": 55,
          "typ": 75,
          "max": 100,
          "conditions": "CL = 2 nF, VDD2 = 15 V, RGON = RGOFF = 3.9 Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Skew",
          "symbol": "tPSK",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "CL = 2 nF, RGON = RGOFF = 3.9 Ω, VDD1 = 5 V to 6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Rise and Fall Time (10% to 90%)",
          "symbol": "tR/tF",
          "kind": "timing",
          "unit": "ns",
          "min": 11,
          "typ": 16,
          "max": 27,
          "conditions": "CL = 2 nF, VDD2 = 15 V, RGON = RGOFF = 3.9 Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Blanking Capacitor Discharge Switch Masking",
          "symbol": "tMASK",
          "kind": "timing",
          "unit": "ns",
          "min": 260,
          "typ": 300,
          "max": 340,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Desaturation Comparator Delay",
          "symbol": "tDESAT_DELAY",
          "kind": "timing",
          "unit": "ns",
          "min": 105,
          "typ": 132,
          "max": 160,
          "conditions": "Grade B",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Time to Report Desaturation Fault to Pin",
          "symbol": "tREPORT",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 1.2,
          "max": 2.2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Static CMTI",
          "symbol": "|CMTI|",
          "kind": "electrical",
          "unit": "kV/µs",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "Common-mode voltage (VCM) = 1500 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic CMTI",
          "symbol": "|CMTI|",
          "kind": "electrical",
          "unit": "kV/µs",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VCM = 1500 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 59.35,
          "max": null,
          "conditions": "4-layer printed circuit board (PCB)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction to Top Thermal Characterization",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 12.74,
          "max": null,
          "conditions": "4-layer PCB",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (TA Range)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Supply Voltage",
          "symbol": "VDD1",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 6,
          "conditions": "Referenced to VSS1",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDD2 Supply Voltage",
          "symbol": "VDD2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 12,
          "typ": null,
          "max": 30,
          "conditions": "Referenced to GND2",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VSS2 Supply Voltage",
          "symbol": "VSS2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -15,
          "typ": null,
          "max": 0,
          "conditions": "Referenced to GND2",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VDD1 Supply Voltage",
          "symbol": "VDD1",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "Referenced to VSS1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VDD2 Supply Voltage",
          "symbol": "VDD2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 35,
          "conditions": "Referenced to GND2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VSS2 Supply Voltage",
          "symbol": "VSS2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 0.3,
          "conditions": "Referenced to GND2",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VDD2 − VSS2",
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