main
Ray Publish 0.1.0 abc6c53 14d ago
{
  "slug": "lt3724efe-trpbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, TSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lt3724efe#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lt3724efe-trpbf.kicad_sym",
    "lt3724efe-trpbf.kicad_mod",
    "lt3724efe-trpbf.glb",
    "lt3724efe-trpbf.step",
    "lt3724efe-trpbf.lbr",
    "docs/hero.png",
    "docs/lt3724efe-trpbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3724efe-trpbf-hero.glb",
    "lt3724efe-trpbf-hero.overlay.json",
    "lt3724efe-trpbf-etched.glb"
  ],
  "component": {
    "mpn": "LT3724EFE#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-16-EP",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905053818535936",
    "parts": {
      "symbol": "lt3724efe-trpbf.kicad_sym",
      "footprint": "lt3724efe-trpbf.kicad_mod",
      "model_3d": "lt3724efe-trpbf-hero.glb",
      "model_3d_plain": "lt3724efe-trpbf-etched.glb",
      "model_3d_step": "lt3724efe-trpbf-etched.step",
      "model_3d_step_plain": "lt3724efe-trpbf.step",
      "lbr": "lt3724efe-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C671315",
      "digikey": "LT3724EFE#TRPBFTR-ND",
      "mouser": "584-LT3724EFE#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:22:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3724EFE#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3724EFE#TRPBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "The VIN pin is the main supply pin and should be decoupled to SGND with a low ESR capacitor located close to the pin, with an operating input range of 4V to 60V."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      },
      {
        "number": "3",
        "name": "SHDN",
        "type": "input",
        "description": "The SHDN pin has a precision enable threshold of 1.35V (rising) with 120mV of hysteresis for UVLO implementation, and pulling it below a VBE (0.7V) puts the part into a low current shutdown mode with VIN supply current reduced to approximately 10µA."
      },
      {
        "number": "4",
        "name": "CSS",
        "type": "passive",
        "description": "The soft-start pin is connected to VOUT via a ceramic capacitor and 200kΩ series resistor, controlling output slew to a 2µA average current through the soft-start capacitor, and shorting it to SGND disables soft-start."
      },
      {
        "number": "5",
        "name": "BURST_EN",
        "type": "input",
        "description": "The BURST_EN pin enables Burst Mode operation when connected to ground and disables it when connected to VCC."
      },
      {
        "number": "6",
        "name": "VFB",
        "type": "input",
        "description": "The VFB pin is the output voltage feedback input, externally connected to the supply output through a resistive divider, and regulates to 1.231V at the inverting input of the error amplifier."
      },
      {
        "number": "7",
        "name": "VC",
        "type": "passive",
        "description": "The VC pin is the error amplifier output that sets peak switch current and is normally compensated with an RC network to SGND, and it cannot be pulled low with a low impedance source (drive it only through a 1kΩ series resistance if externally manipulated)."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "The SGND pin is the low noise ground reference and should be connected to the -VOUT side of the output capacitors, with high currents kept away from this connection."
      },
      {
        "number": "9",
        "name": "SENSE–",
        "type": "input",
        "description": "The SENSE- pin is the negative input of the current sense amplifier, connected to the VOUT side of the sense resistor in step-down applications, with the inductor current limit set to 150mV across the SENSE inputs."
      },
      {
        "number": "10",
        "name": "SENSE+",
        "type": "input",
        "description": "The SENSE+ pin is the positive input of the current sense amplifier, connected to the inductor side of the sense resistor in step-down applications, with the current limit set to 150mV across the SENSE inputs."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "The PGND pin is the high-current ground reference for the internal low side switch and VCC regulator and should connect directly to the negative terminal of the VCC decoupling capacitor."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_out",
        "description": "The VCC pin is the internal bias supply node decoupled with a low ESR 1µF ceramic capacitor to PGND, regulated to 8.3V typical and able to be back driven from an external supply to improve efficiency."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "passive",
        "description": "The SW pin connects to the external Schottky clamp diode cathode, the power MOSFET source and the inductor, swinging from VIN during the on-time to a Schottky drop below ground during the off-time."
      },
      {
        "number": "15",
        "name": "TG",
        "type": "output",
        "description": "The TG pin is the bootstrapped gate drive for the top N-channel MOSFET and should be connected to the MOSFET gate with a short, wide PCB trace to minimize inductance."
      },
      {
        "number": "16",
        "name": "BOOST",
        "type": "passive",
        "description": "The BOOST pin supplies the bootstrapped gate drive and connects to a low ESR ceramic boost capacitor referenced to SW, with a maximum voltage of VIN + VCC ground referred."
      },
      {
        "number": "17",
        "name": "SGND",
        "type": "power_in",
        "description": "The exposed pad is internally connected to the SGND pin and must be soldered to the PCB ground for electrical contact and optimal 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: Pins 2 and 13 are both marked NC (No Connection) in the datasheet and are listed as unconnected.; The datasheet gives no KiCad electrical type for these pins; the types assigned (passive or output) ; VCC is described as an internal bias supply node that can also be back-driven externally; power_out "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0638,
        "at": "2026-10-20T10:22:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905053818535936",
        "pages": 26,
        "sha256": "e8d21eb29decddb8",
        "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": "lt3724efe-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7982746831c0bd23f4690608869ad67776faae5c762fb0376666126a3998921b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3724efe-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6c7bf2a8e5e220caf5c73f21dd7d6ee0db70f9c1362d7eec1ceb5dab372288f1",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}