LT4356IMS-1#TRPBF

{
  "slug": "lt4356ims-1-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Surge Protection Devices (SPDs), MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "lt4356ims-1#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt4356ims-1-trpbf.kicad_sym",
    "lt4356ims-1-trpbf.kicad_mod",
    "lt4356ims-1-trpbf.glb",
    "lt4356ims-1-trpbf.step",
    "lt4356ims-1-trpbf.lbr",
    "docs/hero.png",
    "docs/lt4356ims-1-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt4356ims-1-trpbf-hero.glb",
    "lt4356ims-1-trpbf-hero.overlay.json",
    "lt4356ims-1-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT4356IMS-1#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586191789631528960",
    "parts": {
      "symbol": "lt4356ims-1-trpbf.kicad_sym",
      "footprint": "lt4356ims-1-trpbf.kicad_mod",
      "model_3d": "lt4356ims-1-trpbf-hero.glb",
      "model_3d_plain": "lt4356ims-1-trpbf-etched.glb",
      "model_3d_step": "lt4356ims-1-trpbf-etched.step",
      "model_3d_step_plain": "lt4356ims-1-trpbf.step",
      "lbr": "lt4356ims-1-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C9047"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:53:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Voltage regulator feedback input that connects to the center tap of the output divider, is servoed to a 1.25V threshold during overvoltage, is internally clamped to 7V, and should be tied to GND to disable the OV clamp."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "input",
        "description": "Output voltage sense input that senses the N-channel MOSFET source voltage, sets the fault timer current, and causes EN to go high impedance when OUT reaches 0.7V below VCC."
      },
      {
        "number": "3",
        "name": "GATE",
        "type": "output",
        "description": "N-channel MOSFET gate drive output that is pulled up by an internal charge pump current source and clamped to 14V above the OUT pin."
      },
      {
        "number": "4",
        "name": "SNS",
        "type": "input",
        "description": "Current sense input connected to the sense resistor output that limits the VCC-to-SNS sense voltage to 50mV, may be pulled below GND by up to 60V, and must keep the VCC-to-SNS difference below 30V."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input for 4V to 80V normal operation that can be pulled below ground by up to 60V during reverse battery without damage, and whose supply current drops to 7μA with all functional blocks off."
      },
      {
        "number": "6",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown control input that puts the part in low-current mode when pulled below 0.4V, turns it on when pulled above 2.1V or left floating, and withstands up to 100V or 60V below GND without damage."
      },
      {
        "number": "7",
        "name": "FLT",
        "type": "output",
        "description": "Open-collector fault output that pulls low once TMR reaches the 1.25V fault threshold and can sink up to 3mA from 80V to drive an LED or opto-coupler."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "output",
        "description": "Open-collector enable output that goes high impedance when OUT is above VCC-0.7V, latches until OUT falls below 0.5V and rises above 2V, and can sink up to 3mA from 80V."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for all pins."
      },
      {
        "number": "10",
        "name": "TMR",
        "type": "input",
        "description": "Fault timer input where a capacitor to ground sets the early warning, fault and cool-down periods, with FLT pulling low at 1.25V, the pass transistor turning off at 1.35V, and GATE restarting at the 0.5V retry threshold."
      }
    ],
    "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: Pinout taken from the MS (10-lead MSOP) pin configuration drawing on page 2; the ordering table on p; The datasheet does not label TMR with an electrical type; it is typed as input because the pin funct; The MSOP has no AOUT, IN+ or NC pins and no exposed pad; the pin function text for AOUT and IN+ is m"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0699,
        "at": "2026-10-18T20:52:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586191789631528960",
        "pages": 26,
        "sha256": "d6be158f5fd8cad8",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "lt4356ims-1-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8f88eac3ce221c2ccb0b5048f9ad49c2ef4af148f8ae50c4e232e357683f547",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt4356ims-1-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8b6d7540feac4d54b7edef2420cb806f0002f8153b786213e7e52ef4cfa7cf0f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}