main
Ray Publish 0.1.0 15cdbba 7d ago
{
  "slug": "ltm4625ey-pbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices DC-DC Converters, BGA-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ltm4625ey#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltm4625ey-pbf.kicad_sym",
    "ltm4625ey-pbf.kicad_mod",
    "ltm4625ey-pbf.glb",
    "ltm4625ey-pbf.step",
    "ltm4625ey-pbf.lbr",
    "docs/hero.png",
    "docs/ltm4625ey-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltm4625ey-pbf-hero.glb",
    "ltm4625ey-pbf-hero.overlay.json",
    "ltm4625ey-pbf-etched.glb"
  ],
  "component": {
    "mpn": "LTM4625EY#PBF",
    "manufacturer": "Analog Devices",
    "package": "BGA-25",
    "pin_count": 25,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ltm4625.pdf",
    "parts": {
      "symbol": "ltm4625ey-pbf.kicad_sym",
      "footprint": "ltm4625ey-pbf.kicad_mod",
      "model_3d": "ltm4625ey-pbf-hero.glb",
      "model_3d_plain": "ltm4625ey-pbf-etched.glb",
      "model_3d_step": "ltm4625ey-pbf-etched.step",
      "model_3d_step_plain": "ltm4625ey-pbf.step",
      "lbr": "ltm4625ey-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C581127",
      "digikey": "505-LTM4625EY#PBF-ND",
      "mouser": "584-LTM4625EY#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:23:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LTM4625EY#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LTM4625EY#PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "COMP",
        "type": "output",
        "description": "Current control threshold and error amplifier compensation point with normal range 0.3V to 1.8V; internally compensated, strictly an output, do not drive; tie COMP pins together for parallel operation."
      },
      {
        "number": "A2",
        "name": "TRACK/SS",
        "type": "input",
        "description": "Output tracking and soft-start input; a voltage below 0.6V servos FB to TRACK/SS, and an internal 2µA pull-up from INTVCC allows a capacitor to set soft-start."
      },
      {
        "number": "A3",
        "name": "RUN",
        "type": "input",
        "description": "Run control input that enables the regulator above 1.2V and shuts it down below 1.1V; do not leave floating (absolute max 22V)."
      },
      {
        "number": "A4",
        "name": "FREQ",
        "type": "input",
        "description": "Frequency set internally to 1MHz; a resistor to SGND increases frequency or a resistor to INTVCC reduces it."
      },
      {
        "number": "A5",
        "name": "CLKIN",
        "type": "input",
        "description": "External synchronization input to the phase detector, internally terminated to SGND with 20k; PLL locks top NMOS turn-on to the CLKIN rising edge."
      },
      {
        "number": "B1",
        "name": "FB",
        "type": "input",
        "description": "Negative input of the error amplifier, internally connected to VOUT through a 60.4k resistor; add a resistor to SGND to program output voltage, and tie FB pins together for parallel operation."
      },
      {
        "number": "B2",
        "name": "PHMODE",
        "type": "input",
        "description": "Phase selector control input: tie to INTVCC for 2-phase, SGND for 3-phase, INTVCC/2 for 4-phase operation."
      },
      {
        "number": "B3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for both input and output returns."
      },
      {
        "number": "B4",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground connection; tie to GND with minimum distance and connect FREQ resistor, COMP component, MODE, TRACK/SS component and FB resistor to it as needed."
      },
      {
        "number": "B5",
        "name": "CLKOUT",
        "type": "output",
        "description": "Output clock signal for PolyPhase operation with peak-to-peak amplitude INTVCC to GND, phase relative to CLKIN set by PHMODE; do not drive."
      },
      {
        "number": "C1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins with output decoupling capacitance directly between them."
      },
      {
        "number": "C2",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output pulled to ground when FB is not within ±10% of the internal 0.6V reference."
      },
      {
        "number": "C3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for both input and output returns."
      },
      {
        "number": "C4",
        "name": "MODE",
        "type": "input",
        "description": "Operation mode select: tie to INTVCC for forced continuous operation, or to SGND for discontinuous mode at light loads; do not leave floating."
      },
      {
        "number": "C5",
        "name": "SVIN",
        "type": "power_in",
        "description": "Signal VIN, filtered input to the on-chip 3.3V regulator; tie to VIN or to an external supply of at least 4V that must exceed VOUT (absolute max 22V)."
      },
      {
        "number": "D1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins with output decoupling capacitance directly between them."
      },
      {
        "number": "D2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins with output decoupling capacitance directly between them."
      },
      {
        "number": "D3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for both input and output returns."
      },
      {
        "number": "D4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for both input and output returns."
      },
      {
        "number": "D5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin; apply input voltage (4V to 20V, absolute max 22V) between VIN and GND pins with input decoupling capacitance directly between them."
      },
      {
        "number": "E1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins with output decoupling capacitance directly between them."
      },
      {
        "number": "E2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins with output decoupling capacitance directly between them."
      },
      {
        "number": "E3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for both input and output returns."
      },
      {
        "number": "E4",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal regulator output (3.1V to 3.3V) powering the internal drivers and control circuits, internally decoupled with 1µF to GND; do not drive."
      },
      {
        "number": "E5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin; apply input voltage (4V to 20V, absolute max 22V) between VIN and GND pins with input decoupling capacitance directly between them."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: SGND typed power_in as a ground; datasheet only calls it signal ground. Pin map matches between the "
        ],
        "pages_sent": 18,
        "cost_usd": 0.2039,
        "at": "2026-10-31T09:23:41"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ltm4625.pdf",
        "pages": 26,
        "sha256": "85df67ba0803249b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ltm4625ey-pbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.25,
          6.25,
          5.027
        ],
        "zmin_mm": -0.015,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3897637b6a11cc27e044ee9dc144f89e5546f0c974730d76a16a6c69de7151f2",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltm4625ey-pbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.25,
          6.25,
          5.027
        ],
        "zmin_mm": -0.015,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e91eb92147067e1d85b31728566920e8f6c49fbf23914457c8611fe91eb80449",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "BGA 25 (LTC DWG # 05-08-1905 Rev C)",
      "source_page": 24,
      "D": {
        "nom_mm": 6.25,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 6.25,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 5.01,
        "range_mm": [
          4.81,
          5.21
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ltm4625ey-pbf.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}