LT8609EMSE#TRPBF

{
  "slug": "lt8609emse-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt8609emse#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt8609emse-trpbf.kicad_sym",
    "lt8609emse-trpbf.kicad_mod",
    "lt8609emse-trpbf.glb",
    "lt8609emse-trpbf.step",
    "lt8609emse-trpbf.lbr",
    "docs/hero.png",
    "docs/lt8609emse-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt8609emse-trpbf-hero.glb",
    "lt8609emse-trpbf-hero.overlay.json",
    "lt8609emse-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT8609EMSE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908319393767424",
    "parts": {
      "symbol": "lt8609emse-trpbf.kicad_sym",
      "footprint": "lt8609emse-trpbf.kicad_mod",
      "model_3d": "lt8609emse-trpbf-hero.glb",
      "model_3d_plain": "lt8609emse-trpbf-etched.glb",
      "model_3d_step": "lt8609emse-trpbf-etched.step",
      "model_3d_step_plain": "lt8609emse-trpbf.step",
      "lbr": "lt8609emse-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C459916",
      "digikey": "LT8609EMSE#TRPBFTR-ND",
      "mouser": "584-LT8609EMSE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:28:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT8609EMSE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT8609EMSE#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_out",
        "description": "Provides a drive voltage higher than the input voltage to the topside power switch, and a 0.1µF boost capacitor must be placed as close as possible to the IC with no series resistor."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Output of the internal power switches that connects to the inductor and boost capacitor, and this node should be kept small on the PCB for good performance."
      },
      {
        "number": "3",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 3.5V regulator bypass pin that powers the internal drivers and control circuits, with a maximum output current of 20mA, a voltage that varies between 2.8V and 3.5V, decoupling with at least 1µF low ESR ceramic, and no external loading."
      },
      {
        "number": "4",
        "name": "RT",
        "type": "passive",
        "description": "A resistor is tied between RT and ground to set the switching frequency."
      },
      {
        "number": "5",
        "name": "SYNC",
        "type": "input",
        "description": "External clock synchronization input: ground for low-ripple Burst Mode at low loads, tie to a clock to synchronize, leave floating for pulse-skipping mode without spread spectrum, and tie to INTVCC or to a voltage between 3.2V and 5.0V for pulse-skipping with spread spectrum."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that the regulator holds at 0.782V, where the feedback resistor divider tap connects."
      },
      {
        "number": "7",
        "name": "TR/SS",
        "type": "input",
        "description": "Output tracking and soft-start pin: a voltage below 0.782V makes FB follow TR/SS, an internal 2µA pull-up from INTVCC sets the ramp with a capacitor, and the pin is pulled to ground through 300Ω during shutdown and faults (use a series resistor when driven from a low-impedance source)."
      },
      {
        "number": "8",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power-good output that stays low until FB is within ±8.5% of the regulation voltage with no fault conditions, and is valid when VIN is above 3.2V regardless of the EN/UV state."
      },
      {
        "number": "9",
        "name": "VIN",
        "type": "power_in",
        "description": "Supplies the internal circuitry and the internal topside power switch and must be locally bypassed, with the input capacitor placed as close as possible to the VIN and GND pins."
      },
      {
        "number": "10",
        "name": "EN/UV",
        "type": "input",
        "description": "Shuts the part down when low and enables it when high, with a hysteretic threshold of 1.05V rising and 1.00V falling, and it should be tied to VIN if the shutdown feature is not used."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad that must be connected to the negative terminal of the input capacitor and soldered to the PCB to lower the thermal resistance."
      }
    ],
    "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 numbers are taken from the page 2 top view for the LT8609/LT8609A 10-lead MSE package, which is ; The ordering table on page 2 lists LT8609EMSE#TRPBF as a 10-Lead Plastic MSOP, so the MSE package wi; The datasheet does not state KiCad pin types. The types above are inferred from each pin's function,"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0614,
        "at": "2026-10-18T01:25:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908319393767424",
        "pages": 26,
        "sha256": "587a9fb33e1fb23a",
        "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": "lt8609emse-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt8609emse-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4187baf00e544be5fe49455d61d5d90a060d7e2764f30e9f4cb9d6ac87669a7e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}