LT3502EMS#TRPBF

{
  "slug": "lt3502ems-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lt3502ems#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3502ems-trpbf.kicad_sym",
    "lt3502ems-trpbf.kicad_mod",
    "lt3502ems-trpbf.glb",
    "lt3502ems-trpbf.step",
    "lt3502ems-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3502ems-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3502ems-trpbf-hero.glb",
    "lt3502ems-trpbf-hero.overlay.json",
    "lt3502ems-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT3502EMS#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3502fd.pdf",
    "parts": {
      "symbol": "lt3502ems-trpbf.kicad_sym",
      "footprint": "lt3502ems-trpbf.kicad_mod",
      "model_3d": "lt3502ems-trpbf-hero.glb",
      "model_3d_plain": "lt3502ems-trpbf-etched.glb",
      "model_3d_step": "lt3502ems-trpbf-etched.step",
      "model_3d_step_plain": "lt3502ems-trpbf.step",
      "lbr": "lt3502ems-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C670787",
      "digikey": "LT3502EMS#TRPBFTR-ND",
      "mouser": "584-LT3502EMS#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T17:44:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3502EMS#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3502EMS#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "SW is the output of the internal power switch and connects to the inductor, catch diode and boost capacitor."
      },
      {
        "number": "2",
        "name": "BOOST",
        "type": "passive",
        "description": "BOOST supplies a drive voltage higher than the input to the internal NPN power switch, with a boost capacitor connected from this pin to SW."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "DA",
        "type": "input",
        "description": "DA is the catch diode D1 anode connection and provides frequency foldback in extreme situations."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the regulator."
      },
      {
        "number": "6",
        "name": "SHDN",
        "type": "input",
        "description": "SHDN puts the part in shutdown when tied to ground, needs 2V or more for normal operation, must not exceed VIN, and provides soft-start and frequency foldback through R3 and C4."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "FB regulates to 0.8V; the output is set by VOUT = 0.8 (1 + R1/R2) with a recommended R2 of 10k."
      },
      {
        "number": "8",
        "name": "BD",
        "type": "power_in",
        "description": "BD supplies current to the internal boost Schottky diode."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "VIN supplies current to the internal regulator and internal power switch and must be locally bypassed."
      }
    ],
    "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": [],
        "pages_sent": 6,
        "cost_usd": 0.0114,
        "at": "2026-11-02T17:44:15"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3502fd.pdf",
        "pages": 24,
        "sha256": "ee1026fdeba3ecdd",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3502ems-trpbf-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
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        "footprint_binding": "identity",
        "sha256": "2d438ec9f22677b3e533552db634543430bce386e91db010e9e11fb93dc8199f",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}