NCN5120MNTWG

{
  "slug": "ncn5120mntwg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Interface - Specialized, QFN-40(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "ncn5120mntwg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ncn5120mntwg.kicad_sym",
    "ncn5120mntwg.kicad_mod",
    "ncn5120mntwg.glb",
    "ncn5120mntwg.step",
    "ncn5120mntwg.lbr",
    "docs/hero.png",
    "docs/ncn5120mntwg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncn5120mntwg-hero.glb",
    "ncn5120mntwg-hero.overlay.json",
    "ncn5120mntwg-etched.glb"
  ],
  "component": {
    "mpn": "NCN5120MNTWG",
    "manufacturer": "onsemi",
    "package": "QFN-40(6x6)",
    "pin_count": 41,
    "category": "Interface ICs",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncn5120mntw-d.pdf",
    "parts": {
      "symbol": "ncn5120mntwg.kicad_sym",
      "footprint": "ncn5120mntwg.kicad_mod",
      "model_3d": "ncn5120mntwg-hero.glb",
      "model_3d_plain": "ncn5120mntwg-etched.glb",
      "model_3d_step": "ncn5120mntwg-etched.step",
      "model_3d_step_plain": "ncn5120mntwg.step",
      "lbr": "ncn5120mntwg.lbr"
    },
    "distributor_links": {
      "lcsc": "C130364",
      "digikey": "2832-NCN5120MNTWGTR-ND",
      "mouser": "863-NCN5120MNTWG"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:10:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2832-NCN5120MNTWGTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "863-NCN5120MNTWG",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog supply voltage ground."
      },
      {
        "number": "2",
        "name": "VBUS2",
        "type": "power_in",
        "description": "Ground for the KNX transmitter."
      },
      {
        "number": "3",
        "name": "TXO",
        "type": "output",
        "description": "KNX transmitter analog output (Type 1, 60 V protected structure)."
      },
      {
        "number": "4",
        "name": "CCP",
        "type": "passive",
        "description": "AC coupling external capacitor connection (analog I/O, Type 2)."
      },
      {
        "number": "5",
        "name": "CAV",
        "type": "passive",
        "description": "Capacitor connection to the average bus DC voltage (analog I/O, Type 3)."
      },
      {
        "number": "6",
        "name": "VBUS1",
        "type": "power_in",
        "description": "KNX power supply input (Type 5)."
      },
      {
        "number": "7",
        "name": "CEQ1",
        "type": "passive",
        "description": "Capacitor connection 1 for defining the equalization pulse (analog I/O, Type 4)."
      },
      {
        "number": "8",
        "name": "CEQ2",
        "type": "passive",
        "description": "Capacitor connection 2 for defining the equalization pulse (analog I/O, Type 4)."
      },
      {
        "number": "9",
        "name": "VFILT",
        "type": "passive",
        "description": "Filtered bus voltage (supply, Type 5)."
      },
      {
        "number": "10",
        "name": "V20V",
        "type": "power_out",
        "description": "20 V supply output (Type 5)."
      },
      {
        "number": "11",
        "name": "VDD2MV",
        "type": "input",
        "description": "Voltage monitor of Voltage Regulator 2 (analog input, Type 8)."
      },
      {
        "number": "12",
        "name": "VDD2MC",
        "type": "input",
        "description": "Current monitor input 1 of Voltage Regulator 2 (analog input, Type 9)."
      },
      {
        "number": "13",
        "name": "VDD2",
        "type": "input",
        "description": "Current monitor input 2 of Voltage Regulator 2 (analog input, Type 8)."
      },
      {
        "number": "14",
        "name": "VSS2",
        "type": "power_in",
        "description": "Voltage Regulator 2 ground."
      },
      {
        "number": "15",
        "name": "VSW2",
        "type": "output",
        "description": "Switch output of Voltage Regulator 2 (analog output, Type 6)."
      },
      {
        "number": "16",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input for Voltage Regulators 1 and 2 (Type 5)."
      },
      {
        "number": "17",
        "name": "VSW1",
        "type": "output",
        "description": "Switch output of Voltage Regulator 1 (analog output, Type 6)."
      },
      {
        "number": "18",
        "name": "VSS1",
        "type": "power_in",
        "description": "Voltage Regulator 1 ground."
      },
      {
        "number": "19",
        "name": "VDD1",
        "type": "input",
        "description": "Current input 2 and voltage monitor input of Voltage Regulator 1 (analog input, Type 8)."
      },
      {
        "number": "20",
        "name": "VDD1M",
        "type": "input",
        "description": "Current monitor input 1 of Voltage Regulator 1 (analog input, Type 9)."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (do not connect)."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (do not connect)."
      },
      {
        "number": "23",
        "name": "MODE1",
        "type": "input",
        "description": "Mode selection input 1 (digital input, Type 12)."
      },
      {
        "number": "24",
        "name": "MODE2",
        "type": "input",
        "description": "Mode selection input 2 (digital input, Type 12)."
      },
      {
        "number": "25",
        "name": "TREQ",
        "type": "input",
        "description": "Transmit request input (digital input, Type 12)."
      },
      {
        "number": "26",
        "name": "CSB/UC1",
        "type": "bidirectional",
        "description": "Chip select output (SPI) or configuration input (UART), type depending on MODE1/MODE2 state."
      },
      {
        "number": "27",
        "name": "SDI/RXD",
        "type": "input",
        "description": "Serial data input (SPI) or receive input (UART) (digital input, Type 14)."
      },
      {
        "number": "28",
        "name": "SDO/TXD",
        "type": "output",
        "description": "Serial data output (SPI) or transmit output (UART) (digital output, Type 13)."
      },
      {
        "number": "29",
        "name": "SCK/UC2",
        "type": "bidirectional",
        "description": "Serial clock output (SPI) or configuration input (UART), type depending on MODE1/MODE2 state."
      },
      {
        "number": "30",
        "name": "VDDD",
        "type": "power_in",
        "description": "Digital supply voltage input (Type 7)."
      },
      {
        "number": "31",
        "name": "VSSD",
        "type": "power_in",
        "description": "Digital supply voltage ground."
      },
      {
        "number": "32",
        "name": "XCLK",
        "type": "output",
        "description": "Oscillator clock output (digital output, Type 13)."
      },
      {
        "number": "33",
        "name": "XSEL",
        "type": "input",
        "description": "Clock selection, quartz or digital clock (digital input, Type 12)."
      },
      {
        "number": "34",
        "name": "XTAL2",
        "type": "bidirectional",
        "description": "Clock generator output (quartz) or input (digital clock), depending on XSEL."
      },
      {
        "number": "35",
        "name": "XTAL1",
        "type": "input",
        "description": "Clock generator input for quartz (analog input, Type 10)."
      },
      {
        "number": "36",
        "name": "SAVEB",
        "type": "output",
        "description": "Save signal, open drain with pull-up (digital output, Type 15)."
      },
      {
        "number": "37",
        "name": "RESETB",
        "type": "output",
        "description": "Reset signal, open drain with pull-up (digital output, Type 15)."
      },
      {
        "number": "38",
        "name": "FANIN/WAKE",
        "type": "input",
        "description": "Fan-in and wake-up input (digital input, Type 11)."
      },
      {
        "number": "39",
        "name": "TESTOUT",
        "type": "unconnected",
        "description": "Test output (analog output); do not connect."
      },
      {
        "number": "40",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply voltage input (Type 7)."
      },
      {
        "number": "41",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The exposed thermal pad has no pin number in the text. Page 55 says it must be soldered to the PCB g; The datasheet lists pin 3 as 'TX0' in the table and 'TXO' in the figures. I used TXO.; The datasheet only calls these 'Supply' or 'Analog I/O'. The passive and power types are my interpre",
          "2/41 pins cited to the wrong page (name found elsewhere): ['34:XTAL2@p4', '35:XTAL1@p4']"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1335,
        "at": "2026-10-24T00:09:50"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncn5120mntw-d.pdf",
        "pages": 56,
        "sha256": "822da73315c1b8da",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncn5120mntwg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e5b4286c2329085d9ef7f90d5eb5bf41a435241ecc1baaf1383823b6d6a946ae",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncn5120mntwg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9f571ba81eb3a676681668851ac4e385f416f8eea3b3c59c534de26d1f789891",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}