main
Ray Publish 0.1.0 a0575e9 10d ago
{
  "slug": "lt1767ems8e-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, MSOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lt1767ems8e#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt1767ems8e-trpbf.kicad_sym",
    "lt1767ems8e-trpbf.kicad_mod",
    "lt1767ems8e-trpbf.glb",
    "lt1767ems8e-trpbf.step",
    "lt1767ems8e-trpbf.lbr",
    "docs/hero.png",
    "docs/lt1767ems8e-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt1767ems8e-trpbf-hero.glb",
    "lt1767ems8e-trpbf-hero.overlay.json",
    "lt1767ems8e-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT1767EMS8E#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8-EP",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/1767fb.pdf",
    "parts": {
      "symbol": "lt1767ems8e-trpbf.kicad_sym",
      "footprint": "lt1767ems8e-trpbf.kicad_mod",
      "model_3d": "lt1767ems8e-trpbf-hero.glb",
      "model_3d_plain": "lt1767ems8e-trpbf-etched.glb",
      "model_3d_step": "lt1767ems8e-trpbf-etched.step",
      "model_3d_step_plain": "lt1767ems8e-trpbf.step",
      "lbr": "lt1767ems8e-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C665121",
      "digikey": "LT1767EMS8E#TRPBFTR-ND",
      "mouser": "584-LT1767EMS8ETRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:13:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT1767EMS8E#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT1767EMS8ETRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BOOST",
        "type": "power_in",
        "description": "Provides a drive voltage higher than the input voltage to the internal NPN power switch so the switch can saturate; without it the typical switch voltage loss would be about 1.5V."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Collector of the on-chip power NPN switch and supply pin for the internal circuitry and regulator; the bypass capacitor and catch diode must be kept close to this pin."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Emitter of the on-chip power NPN switch, driven up to the input voltage during switch on time; negative voltage during switch off must be clamped by an external catch diode with VBR < 0.8V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Reference for the regulated output, connected to the internal tab and to the exposed pad; it should be soldered to a large copper area to improve thermal resistance."
      },
      {
        "number": "5",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin that turns the regulator off and reduces input drain current to a few microamperes; its 1.33V threshold can serve as an accurate undervoltage lockout, and floating or pulling it high runs the regulator."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin that sets the output through an external divider generating 1.2V at the pin on the adjustable part; an impedance below 5kΩ at this pin is needed for the current limit foldback when FB is below 0.5V."
      },
      {
        "number": "7",
        "name": "VC",
        "type": "passive",
        "description": "Output of the error amplifier and input of the peak switch current comparator, normally used for frequency compensation; it sits at about 0.35V at very light loads and 0.9V at maximum load, and can be driven to ground to shut off the output."
      },
      {
        "number": "8",
        "name": "SYNC",
        "type": "input",
        "description": "Synchronizes the internal oscillator to an external logic signal with a 20% to 80% duty cycle over a range from the initial operating frequency up to 2MHz; it should be grounded when not in use."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 MS8E package has an exposed thermal pad connected to GND. The datasheet does not give it a pin n; Pin numbers come from the MS8E pin configuration diagram on page 2. The pin descriptions come from t",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0641,
        "at": "2026-10-29T00:13:31"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/1767fb.pdf",
        "pages": 20,
        "sha256": "0dda005491f2035f",
        "source_tier": "mfr"
      },
      "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": "lt1767ems8e-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.96
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43252be3beac8fd30ca9bfeb82a613fa01d5dffff9b22810c13a4655daafb5ee",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1767ems8e-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.96
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4cf31bf762b945e4e20436a3834051a9b76b2bd98d16f75d249af670b54a438b",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "MS8E",
      "source_page": 18,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 4.9,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.1,
        "range_mm": [
          null,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt1767ems8e-trpbf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}