NCN5151MNTWG

{
  "slug": "ncn5151mntwg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Interface - Specialized, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ncn5151mntwg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ncn5151mntwg.kicad_sym",
    "ncn5151mntwg.kicad_mod",
    "ncn5151mntwg.glb",
    "ncn5151mntwg.step",
    "ncn5151mntwg.lbr",
    "docs/hero.png",
    "docs/ncn5151mntwg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ncn5151mntwg-hero.glb",
    "ncn5151mntwg-hero.overlay.json",
    "ncn5151mntwg-etched.glb"
  ],
  "component": {
    "mpn": "NCN5151MNTWG",
    "manufacturer": "onsemi",
    "package": "QFN-20-EP(4x4)",
    "pin_count": 21,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncn5151mntw-d.pdf",
    "parts": {
      "symbol": "ncn5151mntwg.kicad_sym",
      "footprint": "ncn5151mntwg.kicad_mod",
      "model_3d": "ncn5151mntwg-hero.glb",
      "model_3d_plain": "ncn5151mntwg-etched.glb",
      "model_3d_step": "ncn5151mntwg-etched.step",
      "model_3d_step_plain": "ncn5151mntwg.step",
      "lbr": "ncn5151mntwg.lbr"
    },
    "distributor_links": {
      "lcsc": "C904368",
      "digikey": "488-NCN5151MNTWGTR-ND",
      "mouser": "863-NCN5151MNTWG"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:47:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-NCN5151MNTWGTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCN5151MNTWG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages in the datasheet are referenced to GND."
      },
      {
        "number": "2",
        "name": "BUSL1",
        "type": "passive",
        "description": "Bus line connection made through series resistors (typically two 220 Ω); connections are polarity independent and the absolute maximum bus voltage |BUSL1 − BUSL2| is 50 V."
      },
      {
        "number": "3",
        "name": "BUSL2",
        "type": "passive",
        "description": "Bus line connection made through series resistors (typically two 220 Ω); connections are polarity independent and the absolute maximum bus voltage |BUSL1 − BUSL2| is 50 V."
      },
      {
        "number": "4",
        "name": "VB",
        "type": "power_out",
        "description": "Rectified bus voltage from the internal bridge rectifier; the VB monitor enables PMODE at 8.0 V to 10.5 V (9.4 V typical)."
      },
      {
        "number": "5",
        "name": "PMODE",
        "type": "output",
        "description": "Power mode output indicating the VB voltage level; the absolute maximum voltage on this pin is 3.6 V and its high level is VDD − 0.3 V minimum."
      },
      {
        "number": "6",
        "name": "STC",
        "type": "output",
        "description": "Storage capacitor pin to be connected to a bulk storage capacitor (typically 100 to 470 µF, minimum 10 µF), clamped by a shunt regulator to VSTC."
      },
      {
        "number": "7",
        "name": "RIDD",
        "type": "input",
        "description": "Mark current adjustment pin to be connected to the programming resistor; the voltage on RIDD is 1.15 V to 1.25 V (1.2 V typical)."
      },
      {
        "number": "8",
        "name": "PF",
        "type": "output",
        "description": "Active-low power-fail output that is disabled in low power mode; its high level is VIO − 0.6 V minimum and it is pulled to ground during 2WLPM or 3WLPM operation."
      },
      {
        "number": "9",
        "name": "SC",
        "type": "output",
        "description": "Mark bus voltage level storage capacitor pin to be connected to a ceramic capacitor (typically 220 nF, range 100 nF to 330 nF)."
      },
      {
        "number": "10",
        "name": "2WLPM",
        "type": "input",
        "description": "2-wire low power mode selection input; the high level is 0.8 × VDD minimum to VDD, and the absolute maximum voltage is 3.6 V."
      },
      {
        "number": "11",
        "name": "TXI",
        "type": "output",
        "description": "Inverted UART data output; the high level is VIO − 0.6 V minimum and the low level is 0.35 V maximum at 100 µA."
      },
      {
        "number": "12",
        "name": "TX",
        "type": "output",
        "description": "UART data output; the high level is VIO − 0.6 V minimum and the low level is 0.35 V maximum at 100 µA."
      },
      {
        "number": "13",
        "name": "VIO",
        "type": "input",
        "description": "I/O supply pin that sets the high level of RX, RXI, TX, TXI and PF; the VIO pin voltage range is 2.5 V to 3.8 V."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "Leave this pin floating."
      },
      {
        "number": "15",
        "name": "3WLPM",
        "type": "input",
        "description": "3-wire low power mode selection input; the high level is 0.8 × VDD minimum to VDD, and the absolute maximum voltage is 3.6 V."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_out",
        "description": "Output of the integrated 3.3 V LDO regulator (3.1 V to 3.6 V, peak 15 mA); connect to a minimum 1 µF decoupling capacitor."
      },
      {
        "number": "17",
        "name": "RX",
        "type": "input",
        "description": "UART data input; the high level is VIO − 0.8 V minimum to 5.5 V and the low level is 0 V to 0.8 V."
      },
      {
        "number": "18",
        "name": "RXI",
        "type": "input",
        "description": "Inverted UART data input; the high level is VIO − 0.8 V minimum to 5.5 V and the low level is 0 V to 0.8 V."
      },
      {
        "number": "19",
        "name": "OD",
        "type": "output",
        "description": "Open-drain output (active low) used for slave-to-master communication in 3-wire low power mode; the absolute maximum voltage is 40 V and the current is limited to 20 mA."
      },
      {
        "number": "20",
        "name": "RIS",
        "type": "input",
        "description": "Modulation current adjustment pin; with RRIS = 100 Ω the typical modulation current IMC is 15 mA (12.5 mA to 18 mA), and the RIS voltage is 1.2 V to 1.6 V."
      },
      {
        "number": "21",
        "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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing on page 20 shows an exposed pad (EP) on the QFN20 4x4 package, but the datasheet; The datasheet labels the package NQFP20 / QFN20 4x4 (case 485E), which matches the package hint, and; Some KiCad electrical types are judgment calls because the datasheet uses general categories (Output",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0997,
        "at": "2026-10-30T21:47:10"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncn5151mntw-d.pdf",
        "pages": 21,
        "sha256": "c25c805204fe54eb",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ncn5151mntwg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncn5151mntwg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f0f77e038044605764ef3c62b40ee47eb1dc73bdbc861ce99bc9505c500450c3",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "QFN20, 4x4, 0.5P (CASE 485E)",
      "source_page": 20,
      "D": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.9,
        "range_mm": [
          0.8,
          1.0
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ncn5151mntwg.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}