LTC1871EMS#TRPBF

{
  "slug": "ltc1871ems-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 (pmic)",
    "ltc1871ems#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltc1871ems-trpbf.kicad_sym",
    "ltc1871ems-trpbf.kicad_mod",
    "ltc1871ems-trpbf.glb",
    "ltc1871ems-trpbf.step",
    "ltc1871ems-trpbf.lbr",
    "docs/hero.png",
    "docs/ltc1871ems-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltc1871ems-trpbf-hero.glb",
    "ltc1871ems-trpbf-hero.overlay.json",
    "ltc1871ems-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LTC1871EMS#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886140157349888",
    "parts": {
      "symbol": "ltc1871ems-trpbf.kicad_sym",
      "footprint": "ltc1871ems-trpbf.kicad_mod",
      "model_3d": "ltc1871ems-trpbf-hero.glb",
      "model_3d_plain": "ltc1871ems-trpbf-etched.glb",
      "model_3d_step": "ltc1871ems-trpbf-etched.step",
      "model_3d_step_plain": "ltc1871ems-trpbf.step",
      "lbr": "ltc1871ems-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C459892",
      "digikey": "LTC1871EMS#TRPBFTR-ND",
      "mouser": "584-LTC1871EMS#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:45:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTC1871EMS#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LTC1871EMS#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RUN",
        "type": "input",
        "description": "Enable pin with a falling threshold nominally 1.248V and 100mV of hysteresis; below the threshold the IC shuts down with VIN supply current typically 10μA, and the absolute maximum voltage on this pin is 7V."
      },
      {
        "number": "2",
        "name": "ITH",
        "type": "passive",
        "description": "Error amplifier compensation pin whose voltage sets the current comparator input threshold, with a nominal range of 0V to 1.40V."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that receives the voltage from the external output resistor divider, with a nominal regulated voltage of 1.230V."
      },
      {
        "number": "4",
        "name": "FREQ",
        "type": "input",
        "description": "A resistor from this pin to ground programs the operating frequency over 50kHz to 1000kHz, with a nominal pin voltage of 0.6V."
      },
      {
        "number": "5",
        "name": "MODE/SYNC",
        "type": "input",
        "description": "Ground selects Burst Mode operation, while a DC level above 2V or INTVCC disables it for continuous operation; an external clock above 2V for at least 25ns synchronizes the oscillator."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the IC."
      },
      {
        "number": "7",
        "name": "GATE",
        "type": "output",
        "description": "Gate driver output for the external N-channel power MOSFET, with absolute maximum voltage of -0.3V to VINTVCC + 0.3V."
      },
      {
        "number": "8",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 5.20V regulator output powering the gate driver and control circuits, which must be decoupled locally to IC ground with a minimum of 4.7μF low-ESR capacitor; output current absolute maximum is 50mA."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Main supply pin with a wide input range of 2.5V to 36V (absolute maximum 36V), which must be closely decoupled to ground."
      },
      {
        "number": "10",
        "name": "SENSE",
        "type": "input",
        "description": "Current sense input connected to the power MOSFET drain for VDS sensing or to a source resistor, with absolute maximum pin voltage of 36V."
      }
    ],
    "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: Pin-number-to-name mapping was taken from the TOP VIEW diagram text on page 2 (pins 1-5 down the lef; Pin types are assigned from KiCad ERC classes based on pin function descriptions; ITH (compensation "
        ],
        "pages_sent": 8,
        "cost_usd": 0.0526,
        "at": "2026-10-18T00:44:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886140157349888",
        "pages": 36,
        "sha256": "5b84261840bec987",
        "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": "ltc1871ems-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": "ltc1871ems-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": "19b40222243288ae1080a4ec44180dbb9e5491db4c88bb29d7feb02880fd4c24",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}