NCP45495XMNTWG

{
  "slug": "ncp45495xmntwg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Monitors & Reset Circuits, QFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ncp45495xmntwg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ncp45495xmntwg.kicad_sym",
    "ncp45495xmntwg.kicad_mod",
    "ncp45495xmntwg.glb",
    "ncp45495xmntwg.step",
    "ncp45495xmntwg.lbr",
    "docs/hero.png",
    "docs/ncp45495xmntwg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncp45495xmntwg-hero.glb",
    "ncp45495xmntwg-hero.overlay.json",
    "ncp45495xmntwg-etched.glb"
  ],
  "component": {
    "mpn": "NCP45495XMNTWG",
    "manufacturer": "onsemi",
    "package": "QFN-32(4x4)",
    "pin_count": 33,
    "category": "Power Supply Chip",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp45495xmntw-d.pdf",
    "parts": {
      "symbol": "ncp45495xmntwg.kicad_sym",
      "footprint": "ncp45495xmntwg.kicad_mod",
      "model_3d": "ncp45495xmntwg-hero.glb",
      "model_3d_plain": "ncp45495xmntwg-etched.glb",
      "model_3d_step": "ncp45495xmntwg-etched.step",
      "model_3d_step_plain": "ncp45495xmntwg.step",
      "lbr": "ncp45495xmntwg.lbr"
    },
    "distributor_links": {
      "lcsc": "C3686428"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:29:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN_N1",
        "type": "input",
        "description": "Channel 1 sense resistor sense minus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "2",
        "name": "IN_P1",
        "type": "input",
        "description": "Channel 1 sense resistor sense plus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "3",
        "name": "BV_IN1",
        "type": "input",
        "description": "Channel 1 bus voltage input for voltage monitoring (absolute max 30 V)."
      },
      {
        "number": "4",
        "name": "IN_N2",
        "type": "input",
        "description": "Channel 2 sense resistor sense minus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "5",
        "name": "IN_P2",
        "type": "input",
        "description": "Channel 2 sense resistor sense plus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "6",
        "name": "BV_IN2",
        "type": "input",
        "description": "Channel 2 bus voltage input for voltage monitoring (absolute max 30 V)."
      },
      {
        "number": "7",
        "name": "IMON_IN1",
        "type": "input",
        "description": "Current monitor channel input, high impedance; float or ground if unused."
      },
      {
        "number": "8",
        "name": "IMON_IN2",
        "type": "input",
        "description": "Current monitor channel input, high impedance; float or ground if unused."
      },
      {
        "number": "9",
        "name": "RGND",
        "type": "power_in",
        "description": "Reference ground for the multiplexer and differential amplifier."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "11",
        "name": "BV_IN3",
        "type": "input",
        "description": "Channel 3 bus voltage input for voltage monitoring (absolute max 30 V)."
      },
      {
        "number": "12",
        "name": "IN_P3",
        "type": "input",
        "description": "Channel 3 sense resistor sense plus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "13",
        "name": "IN_N3",
        "type": "input",
        "description": "Channel 3 sense resistor sense minus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "14",
        "name": "BV_IN4",
        "type": "input",
        "description": "Channel 4 bus voltage input for voltage monitoring (absolute max 30 V)."
      },
      {
        "number": "15",
        "name": "IN_P4",
        "type": "input",
        "description": "Channel 4 sense resistor sense plus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "16",
        "name": "IN_N4",
        "type": "input",
        "description": "Channel 4 sense resistor sense minus high-voltage input (recommended 5 to 26 V, absolute max 30 V)."
      },
      {
        "number": "17",
        "name": "BG_REF_OUT",
        "type": "output",
        "description": "Buffered bandgap voltage analog output (-0.3 to 5.5 V)."
      },
      {
        "number": "18",
        "name": "BV_REF",
        "type": "input",
        "description": "BV_OK comparator threshold reference analog input."
      },
      {
        "number": "19",
        "name": "DIFF_OUT_N",
        "type": "output",
        "description": "Negative differential analog output (-0.3 to 5.5 V); route matched with DIFF_OUT_P."
      },
      {
        "number": "20",
        "name": "DIFF_OUT_P",
        "type": "output",
        "description": "Positive differential analog output (-0.3 to 5.5 V); route matched with DIFF_OUT_N."
      },
      {
        "number": "21",
        "name": "ADRS[0]",
        "type": "input",
        "description": "I2C address bit 0 set input; tie to GND or VCC."
      },
      {
        "number": "22",
        "name": "ADRS[1]",
        "type": "input",
        "description": "I2C address bit 1 set input; tie to GND or VCC."
      },
      {
        "number": "23",
        "name": "SCL",
        "type": "input",
        "description": "I2C clock input (-0.3 to 5.5 V)."
      },
      {
        "number": "24",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C data signal, input/output (-0.3 to 5.5 V)."
      },
      {
        "number": "25",
        "name": "SKIP",
        "type": "input",
        "description": "Skip function control that masks BV_OK; high level is VCC (2.8 to 3.8 V) and low level is GND."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "27",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, recommended 2.8 to 3.8 V (absolute max -0.3 to 5.5 V)."
      },
      {
        "number": "28",
        "name": "EN_B",
        "type": "input",
        "description": "Device enable bar input; when high, places the device in low-power state."
      },
      {
        "number": "29",
        "name": "MUX_SEL",
        "type": "input",
        "description": "Multiplexer select input; keep isolated from other dynamic signals."
      },
      {
        "number": "30",
        "name": "BV_OK",
        "type": "output",
        "description": "Bus OK open-drain output; high impedance means bus OK."
      },
      {
        "number": "31",
        "name": "SYNC",
        "type": "output",
        "description": "Sync output that pulses at the beginning of every MUX_SEL sequence; float if unused."
      },
      {
        "number": "32",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground (exposed back paddle), to be connected 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: Pin 33 is the exposed paddle (shown as '33:GND' in the pin configuration); it is not a numbered peri; NC pins 10, 26 and 32 are not in the pin description table. They are taken from the pin configuratio; The pin table gives ADRS[1:0] as pins 21,22 without saying which is which. The pin configuration dia"
        ],
        "pages_sent": 6,
        "cost_usd": 0.1218,
        "at": "2026-10-22T22:29:07"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp45495xmntw-d.pdf",
        "pages": 19,
        "sha256": "cddd0040872e7742",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncp45495xmntwg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncp45495xmntwg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b83b9afb57affa1668a0eae3cc5b955b7342a060f4435a7dab60fe1f62e57c0b",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}