main
Ray Set visibility: public 9c2e1c3 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ndp2331kc",
  "title": "NDP2331KC",
  "brief": "NDP DC-DC Converters, SOP-8. 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 (pmic)",
    "ndp2331kc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NDP2331KC",
    "manufacturer": "NDP",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903749898682368",
    "parts": {
      "symbol": "ndp2331kc.kicad_sym",
      "footprint": "ndp2331kc.kicad_mod",
      "model_3d": "ndp2331kc-hero.glb",
      "model_3d_plain": "ndp2331kc-etched.glb",
      "model_3d_step": "ndp2331kc-etched.step",
      "model_3d_step_plain": "ndp2331kc.step",
      "lbr": "ndp2331kc.lbr"
    },
    "distributor_links": {
      "lcsc": "C7420587"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:29:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VFB",
        "type": "input",
        "description": "Output voltage feedback input; the internal FB reference is 1.0V (0.980V to 1.02V), and the VFB short-protect threshold is 0.6V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet gives no function or electrical limits for this pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input; switching is enabled when EN rises above 1.5V and disabled when it falls below 0.6V, with an absolute maximum of -0.3V to 25V to GND."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive power input with an operating range of 5.5V to 30V and an absolute maximum of -0.3V to 33V to GND."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "output",
        "description": "Switching node connected to the inductor, rated -0.3V to VIN+0.3V to GND; pins 5 and 6 are both SW and are internally the same node."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switching node connected to the inductor, rated -0.3V to VIN+0.3V to GND; pins 5 and 6 are both SW and are internally the same node."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      }
    ],
    "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 2 is listed as NC in the pin table with no function or limits given.; The datasheet lists pins 5 and 6 together as SW in one row; each is shown separately here with the s; The KiCad type for VFB (input), EN (input) and SW (output) is an engineering classification, since t"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0388,
        "at": "2026-10-18T18:29:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903749898682368",
        "pages": 10,
        "sha256": "cc5cab9ce24dc764",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ndp2331kc.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ndp2331kc-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7277a4277fc85e84fe442e84a0ccbeb7d84fde4d31e5e757329ab5d291953dce",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NDP",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cc5cab9ce24dc764b5b4b030243f5c8d3d9073da02ad53fdfff1e599388a4991",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5.5,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Reference Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.98,
          "typ": 1,
          "max": 1.02,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "ISB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.7,
          "max": 2.2,
          "conditions": "No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 33,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 105,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "UVLO_OFF",
          "symbol": "VUVLO_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.8,
          "max": null,
          "conditions": "VIN Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "UVLO_ON",
          "symbol": "VUVLO_ON",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "VIN Falling",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "ICCQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1300,
          "max": null,
          "conditions": "VFB = 1.2V, no switch",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VFB bias Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "FSW",
          "kind": "electrical",
          "unit": "KHz",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN voltage rising threshold",
          "symbol": "VEN_H",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "EN rising, enable switching",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN voltage falling threshold",
          "symbol": "VEN_L",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "EN falling, disable switching",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum On-Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VFB short protect",
          "symbol": "VFBSCP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hicup Interval",
          "symbol": "Thiccup",
          "kind": "electrical",
          "unit": "mS",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft start Time",
          "symbol": "Tss",
          "kind": "electrical",
          "unit": "mS",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RDSON of Power MOS high side",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "Temp=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RDSON of Power MOS low side",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "Temp=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "TTR",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown Temp",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSH",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ndp2331kc"
  ],
  "discovery_pitch": "NDP2331KC (NDP) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ndp2331kc.kicad_sym",
    "ndp2331kc.kicad_mod",
    "ndp2331kc.glb",
    "ndp2331kc.step",
    "ndp2331kc.lbr",
    "docs/hero.png",
    "docs/ndp2331kc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ndp2331kc-hero.glb",
    "ndp2331kc-hero.overlay.json",
    "ndp2331kc-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}