main
Ray Publish 0.1.0 a4880a1 17d ago
{
  "slug": "vp3481dng10",
  "version": "0.1.0",
  "type": "component",
  "description": "VIVA(昱盛) DC-DC Converters, TDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "vp3481dng10",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "vp3481dng10.kicad_sym",
    "vp3481dng10.kicad_mod",
    "vp3481dng10.glb",
    "vp3481dng10.step",
    "vp3481dng10.lbr",
    "docs/hero.png",
    "docs/vp3481dng10-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "vp3481dng10-hero.glb",
    "vp3481dng10-hero.overlay.json",
    "vp3481dng10-etched.glb"
  ],
  "component": {
    "mpn": "VP3481DNG10",
    "manufacturer": "VIVA(昱盛)",
    "package": "TDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907173474426880",
    "parts": {
      "symbol": "vp3481dng10.kicad_sym",
      "footprint": "vp3481dng10.kicad_mod",
      "model_3d": "vp3481dng10-hero.glb",
      "model_3d_plain": "vp3481dng10-etched.glb",
      "model_3d_step": "vp3481dng10-etched.step",
      "model_3d_step_plain": "vp3481dng10.step",
      "lbr": "vp3481dng10.lbr"
    },
    "distributor_links": {
      "lcsc": "C2977990"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:09:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISEN",
        "type": "input",
        "description": "Current sense input: an external resistor in series with ground measures the voltage drop, and the current limit activates when the voltage between ISEN and ground exceeds 230 mV."
      },
      {
        "number": "2",
        "name": "UVLO",
        "type": "input",
        "description": "Undervoltage lockout input compared against the internal 1.43 V reference, where a resistor divider sets the enable and disable thresholds and the 4.5 μA UVLO source current sets the hysteresis."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "input",
        "description": "Error amplifier compensation pin, where an RC or C network provides proper loop compensation."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output feedback input, regulated to the internal 1.275 V reference through an external resistor divider, with overvoltage protection triggered when the voltage rises to VFB + VOVP."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, to be connected to the exposed pad."
      },
      {
        "number": "6",
        "name": "FADJ",
        "type": "input",
        "description": "Frequency adjust, synchronization and shutdown pin: a resistor to ground sets the oscillator frequency between 100 kHz and 1 MHz, an external clock synchronizes the controller, and holding the pin high for 30 µs or more shuts the device down."
      },
      {
        "number": "7",
        "name": "PVSS",
        "type": "power_in",
        "description": "Power ground, to be connected to the exposed pad."
      },
      {
        "number": "8",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output that connects to the gate of the external N-channel MOSFET, with a maximum gate swing of 5.2 V when VIN is 5.8 V or higher."
      },
      {
        "number": "9",
        "name": "VREG",
        "type": "power_out",
        "description": "Internal drive supply output that requires a bypass capacitor of 0.47 μF to 4.7 μF to ground and must not be biased by an external power source."
      },
      {
        "number": "10",
        "name": "IN",
        "type": "power_in",
        "description": "Power supply input, with a recommended supply voltage range of 2.97 V to 40 V and an absolute maximum of 42 V."
      },
      {
        "number": "11",
        "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 TDFN10 top-view drawing is flattened in the extracted text, so the pin-name labels cannot be rel; The datasheet classifies ISEN as 'P' (power), but its function is a current-sense input, so it is ty; The datasheet types COMP, FB, FADJ and GATE as I/O/O, but they are typed as input or output here bas"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0237,
        "at": "2026-10-17T17:06:21"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907173474426880",
        "pages": 19,
        "sha256": "3ef87c4438cd76a5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "vp3481dng10.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "vp3481dng10-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7a92185305afe8aaac3f1ed352bf726b296d80e69de86a80d292ee2dbd5a75af",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}