LTM4624IY#PBF

{
  "slug": "ltm4624iy-pbf",
  "version": "0.1.0",
  "type": "component",
  "description": "Analog Devices Power Modules, BGA-25(6.2x6.2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "ltm4624iy#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ltm4624iy-pbf.kicad_sym",
    "ltm4624iy-pbf.kicad_mod",
    "ltm4624iy-pbf.glb",
    "ltm4624iy-pbf.step",
    "ltm4624iy-pbf.lbr",
    "docs/hero.png",
    "docs/ltm4624iy-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ltm4624iy-pbf-hero.glb",
    "ltm4624iy-pbf-hero.overlay.json",
    "ltm4624iy-pbf-etched.glb"
  ],
  "component": {
    "mpn": "LTM4624IY#PBF",
    "manufacturer": "Analog Devices",
    "package": "BGA-25(6.2x6.2)",
    "pin_count": 25,
    "category": "Power Management ICs",
    "subcategory": "Power Modules",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/4624fd.pdf",
    "parts": {
      "symbol": "ltm4624iy-pbf.kicad_sym",
      "footprint": "ltm4624iy-pbf.kicad_mod",
      "model_3d": "ltm4624iy-pbf-hero.glb",
      "model_3d_plain": "ltm4624iy-pbf-etched.glb",
      "model_3d_step": "ltm4624iy-pbf-etched.step",
      "model_3d_step_plain": "ltm4624iy-pbf.step",
      "lbr": "ltm4624iy-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C108017",
      "digikey": "LTM4624IY#PBF-ND",
      "mouser": "584-LTM4624IY#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T15:44:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LTM4624IY#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LTM4624IY#PBF",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "COMP",
        "type": "passive",
        "description": "Current control threshold and error amplifier compensation point; its normal range is 0.3V to 1.8V, and COMP pins are tied 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 the TRACK/SS voltage, above 0.6V the internal reference resumes control, and an internal 2.5µA pull-up from INTVCC makes a capacitor here set soft-start."
      },
      {
        "number": "A3",
        "name": "RUN",
        "type": "input",
        "description": "Run control input that enables the regulator when tied above 1.25V and shuts it down when pulled below 1.1V; do not leave floating."
      },
      {
        "number": "A4",
        "name": "FREQ",
        "type": "input",
        "description": "Frequency pin where the switching frequency is set internally to 1MHz; an external resistor to SGND increases frequency and a resistor to INTVCC reduces it."
      },
      {
        "number": "A5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin, not connected internally; float or ground it."
      },
      {
        "number": "B1",
        "name": "FB",
        "type": "input",
        "description": "Negative input of the error amplifier, internally connected to VOUT through a 60.4k precision resistor, with output voltage programmed by an additional resistor between FB and SGND."
      },
      {
        "number": "B2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin, not connected internally; float or ground it."
      },
      {
        "number": "B3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "B4",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground connection that must be tied to GND with minimum distance, and to which the FREQ, COMP, MODE, TRACK/SS and FB components connect as needed."
      },
      {
        "number": "B5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin, not connected internally; float or ground it."
      },
      {
        "number": "C1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins and place output decoupling capacitance directly between them."
      },
      {
        "number": "C2",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output that is pulled to ground when the FB voltage is not within ±10% of the internal 0.6V reference."
      },
      {
        "number": "C3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "C4",
        "name": "MODE",
        "type": "input",
        "description": "Operation mode select; tie to INTVCC to force continuous synchronous operation at all loads, or to SGND for discontinuous mode at light loads; do not leave floating."
      },
      {
        "number": "C5",
        "name": "SVIN",
        "type": "power_in",
        "description": "Signal VIN that is the filtered input to the on-chip 3.3V regulator; connect to an external supply of at least 4V that must also be greater than VOUT, normally tied to VIN."
      },
      {
        "number": "D1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins and place 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 and place output decoupling capacitance directly between them."
      },
      {
        "number": "D3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "D4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "D5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin; apply the input voltage between VIN and GND pins and place input decoupling capacitance directly between VIN and GND pins."
      },
      {
        "number": "E1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output pin; apply the load between VOUT and GND pins and place 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 and place output decoupling capacitance directly between them."
      },
      {
        "number": "E3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "E4",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 3.3V regulator output that powers the internal power drivers and control circuits and is internally decoupled to GND with a 1µF low ESR ceramic capacitor."
      },
      {
        "number": "E5",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input pin; apply the input voltage between VIN and GND pins and place input decoupling capacitance directly between VIN and GND pins."
      }
    ],
    "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 datasheet gives one pinout for the LTM4624 BGA-25 package, and it applies to LTM4624IY#PBF (SAC3; KiCad type assignments that are judgment calls rather than datasheet-stated classes: COMP typed as p; Pins A5, B2 and B5 are NC (no connect) and are typed unconnected; the datasheet allows them to be fl"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0988,
        "at": "2026-10-30T15:43:33"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/4624fd.pdf",
        "pages": 26,
        "sha256": "6cae4b5c5ec234fe",
        "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": "ltm4624iy-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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ltm4624iy-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": "524b02809e33599c248b8998e717da9b95a994d1cd7bba187feb2d0ad16557a0",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "BGA 25 (6.25mm × 6.25mm × 5.01mm)",
      "source_page": 24,
      "D": {
        "nom_mm": 6.25,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 6.25,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "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": "ltm4624iy-pbf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}