NDP23A5QB

{
  "slug": "ndp23a5qb",
  "version": "0.1.0",
  "type": "component",
  "description": "NDP DC-DC Converters, QFN-20-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ndp23a5qb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ndp23a5qb.kicad_sym",
    "ndp23a5qb.kicad_mod",
    "ndp23a5qb.glb",
    "ndp23a5qb.step",
    "ndp23a5qb.lbr",
    "docs/hero.png",
    "docs/ndp23a5qb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ndp23a5qb-hero.glb",
    "ndp23a5qb-hero.overlay.json"
  ],
  "component": {
    "mpn": "NDP23A5QB",
    "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/8603002811634634752",
    "parts": {
      "symbol": "ndp23a5qb.kicad_sym",
      "footprint": "ndp23a5qb.kicad_mod",
      "model_3d": "ndp23a5qb-hero.glb",
      "model_3d_plain": "ndp23a5qb.glb",
      "model_3d_step": "ndp23a5qb-etched.step",
      "model_3d_step_plain": "ndp23a5qb.step",
      "lbr": "ndp23a5qb.lbr"
    },
    "distributor_links": {
      "lcsc": "C7420591"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T01:04:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet's pin table assigns pins 1, 2 and 3 together with exposed pad PAD1 to GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet's pin table assigns pins 1, 2 and 3 together with exposed pad PAD1 to GND."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the datasheet's pin table assigns pins 1, 2 and 3 together with exposed pad PAD1 to GND."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table, although the layout note says pin 4 is connected to VIN or GND."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as no connect in the pin table, although the layout note says pin 5 is connected to VIN or GND."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a 7.5 V to 30 V input voltage range; VIN to GND absolute maximum is -0.3 V to 33 V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a 7.5 V to 30 V input voltage range; VIN to GND absolute maximum is -0.3 V to 33 V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input with a 7.5 V to 30 V input voltage range; VIN to GND absolute maximum is -0.3 V to 33 V."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "10",
        "name": "BST",
        "type": "passive",
        "description": "Boot strap pin for the high-side switch drive; BST to GND is rated -0.3 V to VIN+7 V."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node connected to the inductor; SW to GND is rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node connected to the inductor; SW to GND is rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node connected to the inductor; SW to GND is rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "Output voltage feedback input compared with the internal 1.0 V reference; FB to GND is rated -0.3 V to 6.5 V."
      },
      {
        "number": "17",
        "name": "CSP",
        "type": "input",
        "description": "Positive pole of the current sense amplifier; CSP to GND is rated -0.3 V to 25 V."
      },
      {
        "number": "18",
        "name": "CSN",
        "type": "input",
        "description": "Negative pole of the current sense amplifier; CSP-CSN sense voltage is 21 mV min, 25 mV typ, 29 mV max."
      },
      {
        "number": "19",
        "name": "EN",
        "type": "input",
        "description": "Enable input with internal pull-up; enable-on threshold is 1 V and enable-off threshold is 0.3 V."
      },
      {
        "number": "20",
        "name": "FS",
        "type": "input",
        "description": "Connect a resistor to GND to set switching frequency; FS to GND is rated -0.3 V to 6.5 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: Pin table lists pins 4 and 5 as NC, but the layout note on page 2 says Pin4 and Pin5 are connected t; The exposed pads are printed as PAD1, PAD2 and PAD3 in the pin table, not as numbered pins 1 to 20. ; Frequency-setting range is inconsistent across the datasheet: the electrical table gives 50 kΩ for 3",
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['PAD1', 'PAD2', 'PAD3'] absent from footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0754,
        "at": "2026-10-10T01:01:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603002811634634752",
        "pages": 14,
        "sha256": "4e99169d88d6f3f5",
        "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": "ndp23a5qb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9466f19e7a94c1920e0c82ac10746517bca0b846bd3c01a7053914bd9856799f",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ndp23a5qb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5745e152f1e8db6362a3ac0afd38d0e0b42c6ec6ec6bf6393489f77242a177ef",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}