MP3430HQ-LF-Z

{
  "slug": "mp3430hq-lf-z",
  "version": "0.1.0",
  "type": "component",
  "description": "Monolithic Power Systems Global Sourcing Parts, QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "global sourcing parts",
    "mp3430hq-lf-z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mp3430hq-lf-z.kicad_sym",
    "mp3430hq-lf-z.kicad_mod",
    "mp3430hq-lf-z.glb",
    "mp3430hq-lf-z.step",
    "mp3430hq-lf-z.lbr",
    "docs/hero.png",
    "docs/mp3430hq-lf-z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mp3430hq-lf-z-hero.glb",
    "mp3430hq-lf-z-hero.overlay.json",
    "mp3430hq-lf-z-etched.glb"
  ],
  "component": {
    "mpn": "MP3430HQ-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "QFN-16(3x3)",
    "pin_count": 17,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603419732792131584",
    "parts": {
      "symbol": "mp3430hq-lf-z.kicad_sym",
      "footprint": "mp3430hq-lf-z.kicad_mod",
      "model_3d": "mp3430hq-lf-z-hero.glb",
      "model_3d_plain": "mp3430hq-lf-z-etched.glb",
      "model_3d_step": "mp3430hq-lf-z-etched.step",
      "model_3d_step_plain": "mp3430hq-lf-z.step",
      "lbr": "mp3430hq-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C3188150",
      "digikey": "1589-1647-2-ND",
      "mouser": "946-MP3430HQ-LF-Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:37:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1647-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "946-MP3430HQ-LF-Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; pins 1 and 16 are connected internally, and for best performance both should be connected to board ground."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply with a recommended operating range of 2.7V to 5.5V; locally bypass this pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Shutdown control: tie to 1.6V or higher to enable the device and to 0.6V or less to disable it."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input; connect to the output resistor-divider tap, with a feedback voltage of 0.8V typical (0.77V to 0.824V)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "7",
        "name": "MON2",
        "type": "output",
        "description": "Current-monitor output that sources 50% of the APD current and converts it to a reference voltage through an external resistor, with a design limit of 2.5V (typ) and 2.5mA (typ)."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "RLIM",
        "type": "input",
        "description": "Current-limit resistor pin; connect a resistor from RLIM to GND to program the APD current-limit threshold."
      },
      {
        "number": "10",
        "name": "MON1",
        "type": "output",
        "description": "Current-monitor output that sources 10% of the APD current and converts it to a reference voltage through an external resistor, with a design limit of 2.5V (typ) and 2.5mA (typ)."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "12",
        "name": "APD",
        "type": "passive",
        "description": "Connect to the APD cathode; the APD current is mirrored to MON1 and MON2 and limited by the RLIM setting."
      },
      {
        "number": "13",
        "name": "MONIN",
        "type": "power_in",
        "description": "Current-monitor supply; connect an external low-pass filter to further reduce supply voltage ripple, with a recommended voltage of 2.7V to 90V."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "output",
        "description": "Switch node; minimize the trace length on this pin to reduce EMI, with a recommended voltage of 2.7V to 90V."
      },
      {
        "number": "15",
        "name": "SW",
        "type": "output",
        "description": "Switch node; minimize the trace length on this pin to reduce EMI, with a recommended voltage of 2.7V to 90V."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; pins 1 and 16 are connected internally, and for best performance both should be connected to board ground."
      },
      {
        "number": "17",
        "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 exposed pad is labelled EP on the package drawing (page 2) and is not a numbered lead; it is inc; The datasheet pin functions table lists NC on pins 4, 6 and 11 and SW on pins 14 and 15, so those ar",
          "exposed pad 17 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0718,
        "at": "2026-10-21T01:34:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603419732792131584",
        "pages": 16,
        "sha256": "32f2023078cf1ffe",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mp3430hq-lf-z.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mp3430hq-lf-z-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7d74de6e24559b6a482cc8352311e499e1caeeb9af7fefed72133e3972748231",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}