NCP3232NMNTXG

{
  "slug": "ncp3232nmntxg",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi DC-DC Converters, QFN-40-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ncp3232nmntxg",
    "factory-2.0.0",
    "extractor-text"
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    "ncp3232nmntxg.step",
    "ncp3232nmntxg.lbr",
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    "docs/ncp3232nmntxg-datasheet.pdf",
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  "component": {
    "mpn": "NCP3232NMNTXG",
    "manufacturer": "onsemi",
    "package": "QFN-40-EP(6x6)",
    "pin_count": 41,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590000839160070144",
    "parts": {
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      "lbr": "ncp3232nmntxg.lbr"
    },
    "distributor_links": {
      "lcsc": "C904491",
      "digikey": "NCP3232NMNTXGOSTR-ND",
      "mouser": "863-NCP3232NMNTXG"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T04:58:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP3232NMNTXGOSTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "863-NCP3232NMNTXG",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SS",
        "type": "passive",
        "description": "A capacitor from this pin to GND sets the soft-start ramp time."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input to the error amplifier, referenced to the internal 0.6 V reference."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "output",
        "description": "Output of the error amplifier, which requires a type III compensation network."
      },
      {
        "number": "4",
        "name": "ISET",
        "type": "passive",
        "description": "A resistor from this pin to ground sets the over-current protection (OCP) threshold; if RSET is not connected, OCP switches to a fixed 300 mV threshold."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "6",
        "name": "OTS",
        "type": "input",
        "description": "Negative input of the internal thermal comparator with a 0.6 V rising threshold; tie to ground if not used."
      },
      {
        "number": "7",
        "name": "PG",
        "type": "output",
        "description": "Power good indicator of the output voltage; open-drain output that must be connected to VDD through an external resistor."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "11",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "13",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Connected to the internal power NMOS switch; the pin has high di/dt edges and must be decoupled to ground close to the pin."
      },
      {
        "number": "15",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "18",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "19",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "20",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "21",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "22",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "23",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "24",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "25",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "26",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "27",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "28",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "29",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "30",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "31",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "32",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "33",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "34",
        "name": "VSWH",
        "type": "passive",
        "description": "Drain and source connection of the internal NMOS switches; the inductor drives this pin below ground at switch-off with high dv/dt."
      },
      {
        "number": "35",
        "name": "VSW",
        "type": "passive",
        "description": "Connection to the switch node between the top and bottom MOSFETs; return path of the high-side gate driver and sense point for low-side OCP."
      },
      {
        "number": "36",
        "name": "BST",
        "type": "power_in",
        "description": "Top gate driver input supply; a bootstrap capacitor connects between SWN and this pin."
      },
      {
        "number": "37",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground reference and high-current return path for the bottom gate driver and low-side NMOS."
      },
      {
        "number": "38",
        "name": "VB",
        "type": "power_out",
        "description": "Internal LDO output and input supply for the charge pump; connect a minimum of 4.7 uF ceramic capacitor from this pin to ground."
      },
      {
        "number": "39",
        "name": "VCC",
        "type": "power_in",
        "description": "Input supply for the IC; this pin must be connected to VIN."
      },
      {
        "number": "40",
        "name": "EN",
        "type": "input",
        "description": "Logic enable for the switcher with an internal pull-up that enables the device automatically when floating; drive high to turn on or low to turn off."
      },
      {
        "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-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 PIN CONNECTIONS diagram on page 1 is garbled in the text extraction, so pin numbers and names we; The datasheet names the exposed pads EP41, EP42 and EP43 but does not assign them numbers on the pac; The KiCad ERC enum has no open-drain class, so PG (pin 7) is typed as output even though the datashe",
          "exposed pad 41 added from the footprint",
          "dropped thermal pad ['EP41', 'EP42', 'EP43'] absent from footprint"
        ],
        "pages_sent": 15,
        "cost_usd": 0.105,
        "at": "2026-10-18T04:55:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590000839160070144",
        "pages": 15,
        "sha256": "1a074d95dd477d4c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 41,
        "described": 41,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}