LT3502AIDC#TRPBF

{
  "slug": "lt3502aidc-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3502aidc#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3502aidc-trpbf.kicad_sym",
    "lt3502aidc-trpbf.kicad_mod",
    "lt3502aidc-trpbf.glb",
    "lt3502aidc-trpbf.step",
    "lt3502aidc-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3502aidc-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3502aidc-trpbf-hero.glb",
    "lt3502aidc-trpbf-hero.overlay.json",
    "lt3502aidc-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT3502AIDC#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588934815035244544",
    "parts": {
      "symbol": "lt3502aidc-trpbf.kicad_sym",
      "footprint": "lt3502aidc-trpbf.kicad_mod",
      "model_3d": "lt3502aidc-trpbf-hero.glb",
      "model_3d_plain": "lt3502aidc-trpbf-etched.glb",
      "model_3d_step": "lt3502aidc-trpbf-etched.step",
      "model_3d_step_plain": "lt3502aidc-trpbf.step",
      "lbr": "lt3502aidc-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C461522",
      "digikey": "LT3502AIDC#TRPBFTR-ND",
      "mouser": "584-LT3502AIDC#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:09:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3502AIDC#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3502AIDC#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "The VIN pin supplies current to the internal regulator and internal power switch and must be locally bypassed."
      },
      {
        "number": "2",
        "name": "BD",
        "type": "power_in",
        "description": "The BD pin provides current to the internal boost Schottky diode."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "The feedback pin regulates to 0.8V; connect the feedback divider tap here, with VOUT = 0.8 (1 + R1/R2) and a good value for R2 of 10k."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Tie to ground to shut down the device and to 2V or more for normal operation; SHDN voltage should not be higher than VIN, and it also provides soft-start and frequency foldback when R3 and C4 are connected."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "6",
        "name": "DA",
        "type": "input",
        "description": "Connect the catch diode (D1) anode to this pin; it is used to provide frequency foldback in extreme situations."
      },
      {
        "number": "7",
        "name": "BOOST",
        "type": "power_out",
        "description": "The BOOST pin provides a drive voltage higher than the input voltage to the internal NPN power switch and requires a boost capacitor connected from this pin to SW."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "output",
        "description": "The SW pin is the output of the internal power switch and connects to the inductor, catch diode and boost capacitor."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "The exposed pad is GND and must be soldered to the PCB."
      }
    ],
    "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 DFN-8-EP variant (DC package) is the one this MPN is sold in (LT3502AIDC#TRPBF listed in the Ord; The datasheet does not give KiCad ERC classes. Types for BD, DA and BOOST were chosen from their des; The exposed pad is pin 9 and is stated as GND on the page 2 pin configuration, not in the Pin Functi"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0405,
        "at": "2026-10-19T03:06:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588934815035244544",
        "pages": 24,
        "sha256": "ee1026fdeba3ecdd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3502aidc-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3502aidc-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "52e4831eaed90ca5d29c10638d3cc656410c5353447cabb912dddda853f38f08",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}