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Ray Set visibility: public d6b52b0 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp349mnaetbg",
  "title": "NCP349MNAETBG",
  "brief": "onsemi Monitors & Reset Circuits, DFN-6-EP(1.6x2). 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 ics",
    "ncp349mnaetbg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP349MNAETBG",
    "manufacturer": "onsemi",
    "package": "DFN-6-EP(1.6x2)",
    "pin_count": 7,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp349mnaetb-d.pdf",
    "parts": {
      "symbol": "ncp349mnaetbg.kicad_sym",
      "footprint": "ncp349mnaetbg.kicad_mod",
      "model_3d": "ncp349mnaetbg-hero.glb",
      "model_3d_plain": "ncp349mnaetbg-etched.glb",
      "model_3d_step": "ncp349mnaetbg-etched.step",
      "model_3d_step_plain": "ncp349mnaetbg.step",
      "lbr": "ncp349mnaetbg.lbr"
    },
    "distributor_links": {
      "lcsc": "C233712",
      "digikey": "2832-NCP349MNAETBG-488-ND",
      "mouser": "863-NCP349MNAETBG"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:36:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2832-NCP349MNAETBG-488-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-NCP349MNAETBG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin that must be bypassed to GND with a 1.0 µF low-ESR ceramic capacitor or larger placed as close as possible to the device, and it must be connected together with pin 7; the IN to GND maximum rating is 30 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "3",
        "name": "FLAG",
        "type": "output",
        "description": "Open-drain fault indication output that goes low when the input exceeds the OVLO threshold or drops below the UVLO threshold, and requires an external pull-up resistor to VCC of at least 10 kΩ."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Output voltage pin that follows the IN pins when no fault is detected and must be hardwired together with pin 5."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Output voltage pin that follows the IN pins when no fault is detected and must be hardwired together with pin 4."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable pin where a high level puts the device in shutdown and disconnects OUT from IN, while it must be tied low or to GND for normal operation; the EN voltage high threshold is 1.2 V and the low threshold is 0.4 V maximum."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin, listed with pin 1 as IN, that must be connected together with pin 1 to the supply; per the PCB recommendations it is the exposed pad internally connected to the NMOS drain and must be connected to pin 1 and not to any other potential."
      }
    ],
    "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: Pin 7 is listed as a second IN pin in the pin function table, but the pin-connection diagram labels "
        ],
        "pages_sent": 12,
        "cost_usd": 0.017,
        "at": "2026-10-28T16:36:50"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp349mnaetb-d.pdf",
        "pages": 12,
        "sha256": "7274967bd9a43a93",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "63d52b10d54d56eb892b770a1fa9814be211afccd500ab5250c41a2a41cb5beb",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "37be3e75b29fcf9637124cdfcc25d4edf0cb7229a55b1d7d6d58e659149134d4",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DFN-6-EP(1.6x2)",
      "Category": "Power Management ICs",
      "Pins": "7"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7274967bd9a43a933f66eb4a64c2ffd7fe26fc47bc56c8664f31e29afbdec550",
      "rows": [
        {
          "name": "Undervoltage Lockout Threshold",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 2.95,
          "max": 3.1,
          "conditions": "Vin falls below UVLO threshold from 5 V to 2.7 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Overvoltage Lockout Threshold",
          "symbol": "OVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 5.53,
          "typ": 5.68,
          "max": 5.83,
          "conditions": "Vin rises above OVLO threshold",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Vin versus Vout Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "m",
          "min": null,
          "typ": 65,
          "max": 110,
          "conditions": "Vin = 5.0 V, EN = GND, Load connected to Vout",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Quiescent Current",
          "symbol": "Idd",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": 150,
          "conditions": "No load. EN = 5.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Quiescent Current",
          "symbol": "Idd",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 140,
          "max": 250,
          "conditions": "No load. EN = Gnd",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FLAG Output Low Voltage",
          "symbol": "Volflag",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 400,
          "conditions": "1.2 V < VIN < UVLO; Sink 50 µA on FLAG pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FLAG Output Low Voltage",
          "symbol": "Volflag",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "VIN > OVLO; Sink 1.0 mA on FLAG pin",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Voltage High",
          "symbol": "Vih",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Voltage Low",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Startup Delay",
          "symbol": "ton",
          "kind": "timing",
          "unit": "ms",
          "min": 6,
          "typ": 10,
          "max": 14,
          "conditions": "From Vin > UVLO to Vout = 0.3 V (See Figures 3 & 7)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "FLAG Going Up Delay",
          "symbol": "tstart",
          "kind": "timing",
          "unit": "ms",
          "min": 6,
          "typ": 10,
          "max": 14,
          "conditions": "From Vout = 0.3 V to FLAG = 1.2 V (See Figures 3 & 9)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Turn Off Time",
          "symbol": "toff",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 1.5,
          "max": 5,
          "conditions": "From Vin > OVLO to Vout <= 0.3 V; Vin increasing from 5.0 V to 8.0 V at 3.0 V/s; Rload connected on Vout",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Disable Time",
          "symbol": "tdis",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "From EN >= 1.2 V to Vout < 0.3 V; Rload = 5.0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Voltage (IN to GND)",
          "symbol": "Vminin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Voltage (All others to GND)",
          "symbol": "Vmin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Voltage (IN to GND)",
          "symbol": "Vmaxin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Voltage (All others to GND)",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Current",
          "symbol": "Imax",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "UVLO<VIN<OVLO",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Peak Current",
          "symbol": "Imaxpeak",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "t <= 1 ms, TA = 85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Air",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "Note 1",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Operating Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage (IEC 61000-4-2) Air",
          "symbol": "Vesd",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Air, input only, when bypassed with 1.0 µF capacitor",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage (IEC 61000-4-2) Contact",
          "symbol": "Vesd",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Contact, input only, when bypassed with 1.0 µF capacitor",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage Human Body Model",
          "symbol": "Vesd",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "HBM, Model = 2 (Note 2)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Withstand Voltage Machine Model",
          "symbol": "Vesd",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "MM, Model = B (Note 3)",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "NCP349MNAETBG (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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