NDP1480QB

{
  "schema_version": 1,
  "type": "component",
  "slug": "ndp1480qb",
  "title": "NDP1480QB",
  "brief": "NDP DC-DC Converters, QFN-20-EP(5x5). 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)",
    "ndp1480qb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NDP1480QB",
    "manufacturer": "NDP",
    "package": "QFN-20-EP(5x5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907674584567808",
    "parts": {
      "symbol": "ndp1480qb.kicad_sym",
      "footprint": "ndp1480qb.kicad_mod",
      "model_3d": "ndp1480qb-hero.glb",
      "model_3d_plain": "ndp1480qb.glb",
      "model_3d_step": "ndp1480qb-etched.step",
      "model_3d_step_plain": "ndp1480qb.step",
      "lbr": "ndp1480qb.lbr"
    },
    "distributor_links": {
      "lcsc": "C7420585"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:39:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet lists pins 1, 2 and 3 together with PAD1 as GND, and the absolute maximum ratings are referenced to GND."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table; the layout note says it can be tied to VIN or GND for easier layout."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table; the layout note says it can be tied to VIN or GND for easier layout."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; recommended operating input voltage is 8 V to 36 V, with absolute maximum VIN to GND of -0.3 V to 44 V."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table with no electrical function given."
      },
      {
        "number": "10",
        "name": "BST",
        "type": "passive",
        "description": "Boot strap pin for the high-side switch drive; absolute maximum BST to GND is -0.3 V to VIN+7 V."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table with no electrical function given."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "output",
        "description": "Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "output",
        "description": "Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "output",
        "description": "Switching node connected to the inductor; absolute maximum SW to GND is -0.3 V to VIN+0.3 V."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table with no electrical function given."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback; the internal reference is 1.0 V (0.98 V to 1.02 V) and absolute maximum FB to GND is -0.3 V to 6 V."
      },
      {
        "number": "17",
        "name": "CSP",
        "type": "input",
        "description": "Positive pole of the current sense; CSP-CSN current sense amplifier threshold is 51 mV to 59 mV and absolute maximum CSP to GND is -0.3 V to 25 V."
      },
      {
        "number": "18",
        "name": "CSN1",
        "type": "input",
        "description": "Negative pole 1 of the current sense; CSP-CSN1 threshold is 51 mV to 59 mV and absolute maximum CSN1 to GND is -0.3 V to 25 V."
      },
      {
        "number": "19",
        "name": "CSN2",
        "type": "input",
        "description": "Negative pole 2 of the current sense; CSP-CSN2 threshold is 51 mV to 59 mV and absolute maximum CSN2 to GND is -0.3 V to 25 V."
      },
      {
        "number": "20",
        "name": "FS",
        "type": "input",
        "description": "Connect a resistor to GND to set switching frequency from 130 kHz to 300 kHz (floating sets 130 kHz); pulling below 0.6 V enters shutdown, and absolute maximum FS to GND is -0.3 V to 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 datasheet pin table lists these as PAD1, PAD2 and PAD3 (exposed pads) grouped with pins 1-3, 6-8; The pin table marks pins 4 and 5 as NC, but the layout note says they can be connected to VIN or GND; The datasheet describes BST as a boot strap pin with a voltage limit but does not state its electric",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['PAD1', 'PAD2', 'PAD3'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0782,
        "at": "2026-10-09T23:36:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907674584567808",
        "pages": 14,
        "sha256": "635616b452fe06c8",
        "source_tier": "lcsc"
      },
      "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": "ndp1480qb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9466f19e7a94c1920e0c82ac10746517bca0b846bd3c01a7053914bd9856799f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ndp1480qb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "53bac763ae3bf6d1cd3cb4d04122b534fd308c0940c4bf7503b6f2b4d20ca4a9",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NDP",
      "Package": "QFN-20-EP(5x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ndp1480qb"
  ],
  "discovery_pitch": "NDP1480QB (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",
    "ndp1480qb.kicad_sym",
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    "ndp1480qb.step",
    "ndp1480qb.lbr",
    "docs/hero.png",
    "docs/ndp1480qb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ndp1480qb-hero.glb",
    "ndp1480qb-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}