ISL6146AFUZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "isl6146afuz",
  "title": "ISL6146AFUZ",
  "brief": "RENESAS Monitors & Reset Circuits, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management ics",
    "isl6146afuz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISL6146AFUZ",
    "manufacturer": "RENESAS",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c5c025b5072b1ca14c75a5837018528b.pdf",
    "parts": {
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      "footprint": "isl6146afuz.kicad_mod",
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      "model_3d_plain": "isl6146afuz-etched.glb",
      "model_3d_step": "isl6146afuz-etched.step",
      "model_3d_step_plain": "isl6146afuz.step",
      "lbr": "isl6146afuz.lbr"
    },
    "distributor_links": {
      "lcsc": "C1523994",
      "digikey": "ISL6146AFUZ-ND",
      "mouser": "968-ISL6146AFUZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:35:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISL6146AFUZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "968-ISL6146AFUZ",
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    },
    "pins": [
      {
        "number": "1",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output to the external N-channel MOSFET, generated by the internal charge pump, typically between VIN+7V at VIN=3.3V and VIN+12V at VIN=18V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Sourcing-supply side sense pin at the OR-ing MOSFET source, with an operating range of 0V to 24V."
      },
      {
        "number": "3",
        "name": "BIAS",
        "type": "power_in",
        "description": "Primary bias pin on the ISL6146A, which must be at least 3V and greater than VIN, with a range of 3.0 to 24V."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Active high enable input for the ISL6146A that turns on the FET, internally pulled low to GND through 2MΩ, with a range of 0V to 24V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground reference."
      },
      {
        "number": "6",
        "name": "FAULT",
        "type": "output",
        "description": "Open-drain, active-low fault output with internal on-chip filtering that is pulled to GND on a detected fault, with a range of 0 to VOUT."
      },
      {
        "number": "7",
        "name": "ADJ",
        "type": "input",
        "description": "Sets the VIN-VOUT threshold of the high speed comparator; it connects directly to VOUT or through a 5kΩ to 100kΩ resistor to GND, with a range of 0.4 to VOUT."
      },
      {
        "number": "8",
        "name": "VOUT",
        "type": "power_in",
        "description": "Load-side sense node connected to the OR-ing MOSFET drain and common to paralleled supplies, with a range of 0V to 24V."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 12,
        "cost_usd": 0.0231,
        "at": "2026-10-28T16:35:13"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c5c025b5072b1ca14c75a5837018528b.pdf",
        "pages": 28,
        "sha256": "5747d274e1b14869",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "zmin_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "MSOP-8",
      "Category": "Power Management ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5747d274e1b14869b81f5f13bfd8853a65489d8f67325bb668dca9dfc24e8138",
      "rows": [
        {
          "name": "Bias Supply Voltage Range",
          "symbol": "BIAS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OR'd Supply Voltage Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "upper limit BIAS",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature Range (TA)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
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          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BIAS, VIN, VOUT voltage",
          "symbol": "BIAS, VIN, VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "GATE voltage",
          "symbol": "GATE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "EN, EN, UVLO, OVP voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 24,
          "conditions": "",
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        },
        {
          "name": "ADJ voltage",
          "symbol": "ADJ",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit VOUT",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FAULT voltage",
          "symbol": "FAULT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "upper limit VOUT",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature (Plastic Package)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "Tested per JESD22-A114E",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Machine Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Tested per JESD22-A115-A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Latch-up",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Tested per JESD-78B; Class 2, Level A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "POR Rising BIAS threshold",
          "symbol": "PORL2H",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2.5,
          "max": 2.95,
          "conditions": "BIAS Rising, GATE Rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A/B/D/E BIAS Current (enabled)",
          "symbol": "IBIAS_en_18",
          "kind": "electrical",
          "unit": "mA",
          "min": 3.6,
          "typ": null,
          "max": 5,
          "conditions": "BIAS, VIN = 18V, ADJ, VOUT = 16.98V, enabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A VIN Current (enabled)",
          "symbol": "IVIN_en_18",
          "kind": "electrical",
          "unit": "µA",
          "min": 25,
          "typ": null,
          "max": 40,
          "conditions": "BIAS, VIN = 18V, ADJ, VOUT = 16.98V, enabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A/B/D/E VOUT Current (enabled)",
          "symbol": "IVOUT_en_18",
          "kind": "electrical",
          "unit": "µA",
          "min": 14,
          "typ": null,
          "max": 20,
          "conditions": "BIAS, VIN = 18V, VOUT = 16.98V, enabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A/B/D/E BIAS Current (disabled)",
          "symbol": "IBIAS_den_18",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.7,
          "typ": null,
          "max": 3,
          "conditions": "BIAS, VIN = 18V, ADJ, VOUT = 16.98V, disabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A VIN Current (disabled)",
          "symbol": "IVIN_den_18",
          "kind": "electrical",
          "unit": "µA",
          "min": 27,
          "typ": null,
          "max": 37,
          "conditions": "BIAS, VIN = 18V, ADJ, VOUT = 16.98V, disabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A/B/D/E VOUT Current (disabled)",
          "symbol": "IVOUT_den_18",
          "kind": "electrical",
          "unit": "µA",
          "min": 14,
          "typ": null,
          "max": 20,
          "conditions": "BIAS, VIN = 18V, VOUT = 16.98V, disabled",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "BIAS to GATE Delay",
          "symbol": "tBIAS2GTE",
          "kind": "timing",
          "unit": "µs",
          "min": 150,
          "typ": null,
          "max": 210,
          "conditions": "BIAS > PORL2H to GATE Rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge Pump Voltage (3V bias), above VIN",
          "symbol": "VGH_3",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 7,
          "max": 10.5,
          "conditions": "VIN, BIAS = 3V; VIN - VOUT > VFWD_VR; value is VIN + x V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge Pump Voltage (12V bias), above VIN",
          "symbol": "VGH_12",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 10,
          "max": 17.5,
          "conditions": "VIN, BIAS = 12V; VIN - VOUT > VFWD_VR; value is VIN + x V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Charge Pump Voltage (18V bias), above VIN",
          "symbol": "VGH_18",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 10,
          "max": 18,
          "conditions": "VIN, BIAS = 18V; VIN - VOUT > VFWD_VR; value is VIN + x V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Voltage Level",
          "symbol": "VGL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN - VOUT < 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low Pull-Down Current",
          "symbol": "IPDL",
          "kind": "electrical",
          "unit": "mA",
          "min": 5,
          "typ": 8.4,
          "max": 13,
          "conditions": "VIN = 12V, VOUT = 12.2V ADJ = 11V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Pull-Down Current",
          "symbol": "IPDH",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 6.5,
          "conditions": "VIN falling from 12V to 10V in 2µs",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Fast Turn-off Time",
          "symbol": "ttoff",
          "kind": "timing",
          "unit": "ns",
          "min": 65,
          "typ": null,
          "max": 130,
          "conditions": "VIN = VBIAS = 12V, VGATE = 18V to 10V, CGATE = 57nF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Slow Turn-off Time",
          "symbol": "ttoffs",
          "kind": "timing",
          "unit": "µs",
          "min": 58,
          "typ": null,
          "max": 80,
          "conditions": "VIN = VBIAS = 12V, VGATE = 18V to 10V, CGATE = 57nF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Current",
          "symbol": "ION",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "BIAS = 12V, VG = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Current",
          "symbol": "ION",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.15,
          "conditions": "BIAS = 12V, VG = 20V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "GATE to VIN Rising Fault Voltage",
          "symbol": "VVG_FLTr",
          "kind": "electrical",
          "unit": "mV",
          "min": 320,
          "typ": 440,
          "max": 560,
          "conditions": "GATE > VIN, enabled, FLT output is high",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "GATE to VIN Falling Fault Voltage",
          "symbol": "VVG_FLTf",
          "kind": "electrical",
          "unit": "mV",
          "min": 140,
          "typ": 220,
          "max": 300,
          "conditions": "GATE > VIN, enabled, FLT output is low",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage Detection Rising VOUT Threshold",
          "symbol": "VRr",
          "kind": "electrical",
          "unit": "mV",
          "min": 35,
          "typ": 57,
          "max": 79,
          "conditions": "VOUT rising",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Reverse Voltage Detection Falling VOUT Threshold",
          "symbol": "VRf",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
          "typ": 30,
          "max": 51,
          "conditions": "VOUT falling",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Amplifier Forward Voltage Regulation",
          "symbol": "VFWD_VR",
          "kind": "electrical",
          "unit": "mV",
          "min": 11,
          "typ": 19,
          "max": 28,
          "conditions": "ISL6146 controls voltage across FET VDS to VFWD_VR during static forward operation at loads resulting in Id*rDS(ON) < VFWD_VR",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HS Comparator Input Offset Voltage",
          "symbol": "VOS_HS",
          "kind": "electrical",
          "unit": "mV",
          "min": -14,
          "typ": 0.7,
          "max": 14,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ADJ Adjust Threshold with 5k to GND",
          "symbol": "VTH(HS5k)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.57,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "RADJ = 5kΩ to GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ADJ Adjust Threshold with 100k to GND",
          "symbol": "VTH(HS100k)",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
          "typ": 40,
          "max": 95,
          "conditions": "RADJ = 100kΩ to GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN to VOUT Forward Fault Voltage",
          "symbol": "VFWD_FLT",
          "kind": "electrical",
          "unit": "mV",
          "min": 330,
          "typ": 450,
          "max": 570,
          "conditions": "VIN > VOUT, GATE is fully on, FLT output is low",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "FAULT Sink Current",
          "symbol": "IFLT_SINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": 9,
          "conditions": "BIAS = 18V FAULT = 0.5V, VIN < VOUT, VGATE = VGL",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "FAULT Leakage Current",
          "symbol": "IFLT_LEAK",
          "kind": "electrical",
          "unit": "µA",
          "min": 0.04,
          "typ": null,
          "max": 10,
          "conditions": "FAULT = VFLT_H, VIN > VOUT, VGATE = VIN + VGQP",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "FAULT Low to High Delay",
          "symbol": "tFLT_L2H",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": 23,
          "conditions": "GATE = VGQP to FAULT output is high",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "FAULT High to Low Delay",
          "symbol": "tFLT_H2L",
          "kind": "timing",
          "unit": "µs",
          "min": 1.7,
          "typ": null,
          "max": 3,
          "conditions": "GATE = VIN to FAULT output is low",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ISL6146A/D EN Rising Vth",
          "symbol": "VthRa",
          "kind": "electrical",
          "unit": "mV",
          "min": 580,
          "typ": 606,
          "max": 631,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "EN/UVLO Rising to GATE Rising Delay",
          "symbol": "tEN2GTER",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient, MSOP",
          "symbol": "JA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "MSOP package, typical (Notes 4, 7)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case, MSOP",
          "symbol": "JC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 41,
          "max": null,
          "conditions": "MSOP package, typical (Notes 4, 7)",
          "source_page": 6,
          "source": "datasheet"
        },
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