main
Ray Publish 0.1.0 8e720e5 13d ago
{
  "slug": "lt3154av-pbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, LQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3154av#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3154av-pbf.kicad_sym",
    "lt3154av-pbf.kicad_mod",
    "lt3154av-pbf.glb",
    "lt3154av-pbf.step",
    "lt3154av-pbf.lbr",
    "docs/hero.png",
    "docs/lt3154av-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3154av-pbf-hero.glb",
    "lt3154av-pbf-hero.overlay.json",
    "lt3154av-pbf-etched.glb"
  ],
  "component": {
    "mpn": "LT3154AV#PBF",
    "manufacturer": "Analog Devices",
    "package": "LQFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907260908482560",
    "parts": {
      "symbol": "lt3154av-pbf.kicad_sym",
      "footprint": "lt3154av-pbf.kicad_mod",
      "model_3d": "lt3154av-pbf-hero.glb",
      "model_3d_plain": "lt3154av-pbf-etched.glb",
      "model_3d_step": "lt3154av-pbf-etched.step",
      "model_3d_step_plain": "lt3154av-pbf.step",
      "lbr": "lt3154av-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C7455735",
      "digikey": "505-LT3154AV#PBF-ND",
      "mouser": "584-LT3154AV#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:50:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT3154AV#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3154AV#PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input for the buck-boost converter; connect a minimum 22µF low ESR capacitor to PGND as close to the device as possible, and connect it to VIN in the application."
      },
      {
        "number": "2",
        "name": "PVIN",
        "type": "power_in",
        "description": "Power input for the buck-boost converter; connect a minimum 22µF low ESR capacitor to PGND as close to the device as possible, and connect it to VIN in the application."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Signal input voltage with an operating range of 1.8V to 5.5V; decouple with a minimum 1µF capacitor and provide a low-noise input for the control circuitry."
      },
      {
        "number": "4",
        "name": "EN/UVLO",
        "type": "input",
        "description": "Enable and programmable UVLO input; connect to VIN for 1.8V minimum operation or to a resistor divider, with a 1.2V rising and 1.1V falling threshold and 100mV internal hysteresis, and it must be below 0.3V for full shutdown."
      },
      {
        "number": "5",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Selects Burst Mode operation (low), PWM operation with Burst Mode disabled (high, VIN), or synchronization to an external clock with a pulse width between 75ns and T period minus 75ns; this pin must not be left floating."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "input",
        "description": "Oscillator frequency programming input; connect to VIN for 2.2MHz fixed frequency, or connect a resistor to GND per RT(kΩ) = 110 / fSW(MHz) for frequencies from 400kHz to 4MHz."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground providing a low-noise ground for the control circuits; it must be connected to PGND in the application."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "External soft-start input; connect to VIN for the default 2.2ms soft-start period, or connect a capacitor to GND with tSS(ms) = 0.8 × CSS(nF)."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the error amplifier, where the resistor divider sets VOUT = 0.99V × (1 + R3/R4) and the feedback voltage is 0.98V to 1.02V."
      },
      {
        "number": "10",
        "name": "VC",
        "type": "passive",
        "description": "Voltage error amplifier output used to command average inductor current, with an R-C network to ground setting the voltage loop compensation; its full-scale range is 200mV to 900mV."
      },
      {
        "number": "11",
        "name": "VOUT",
        "type": "input",
        "description": "Output voltage sense and low-noise control input; decouple with a minimum 1µF capacitor, and it must be connected to PVOUT in the application."
      },
      {
        "number": "12",
        "name": "PVOUT",
        "type": "power_out",
        "description": "Power output for the buck-boost converter; connect a minimum 68µF low ESR capacitor to PGND as close to the device as possible, and connect it to VOUT in the application."
      },
      {
        "number": "13",
        "name": "SW2",
        "type": "output",
        "description": "Buck-boost converter switch pin; connect the inductor between SW1 and SW2."
      },
      {
        "number": "14",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection that must make full connection to the PCB ground plane to meet the specified thermal requirements, and it must be connected to GND in the application."
      },
      {
        "number": "15",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground connection that must make full connection to the PCB ground plane to meet the specified thermal requirements, and it must be connected to GND in the application."
      },
      {
        "number": "16",
        "name": "SW1",
        "type": "output",
        "description": "Buck-boost converter switch pin; connect the inductor between SW1 and SW2."
      },
      {
        "number": "17",
        "name": "PGND",
        "type": "power_in",
        "description": "Exposed thermal pad that is the power ground connection and must be soldered to the PCB ground plane to meet the specified thermal performance."
      }
    ],
    "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 TOP VIEW text on page 2 is garbled, so the pin-to-position mapping could not be verified against; Pin types for VC (passive), VOUT (input), and SW1/SW2 (output) are inferred from the functional desc; The datasheet lists the package as 16-lead, with the exposed pad designated as pin 17. The pad is in"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1029,
        "at": "2026-10-21T01:46:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907260908482560",
        "pages": 32,
        "sha256": "297cf4adc4d1d32a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3154av-pbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b32e528bf0799efacfbfd0e6175a168fff91b5905ee4d3720cfee9527a156853",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3154av-pbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a3fa6a1f5b8e17020c7e9364221c07cc84ca5a6541c935ca9db4ce935746da22",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}