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Ray Set visibility: public 7595bfe 16d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc24624dr",
  "title": "UCC24624DR",
  "brief": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc24624dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC24624DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc24624.pdf",
    "parts": {
      "symbol": "ucc24624dr.kicad_sym",
      "footprint": "ucc24624dr.kicad_mod",
      "model_3d": "ucc24624dr-hero.glb",
      "model_3d_plain": "ucc24624dr-etched.glb",
      "model_3d_step": "ucc24624dr-etched.step",
      "model_3d_step_plain": "ucc24624dr.step",
      "lbr": "ucc24624dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862446",
      "digikey": "296-UCC24624DRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T19:05:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-UCC24624DRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VG1",
        "type": "output",
        "description": "Gate drive output for the channel 1 SR MOSFET, delivering 1.5-A peak source and 4-A peak sink current into a large N-channel MOSFET through a small series resistor."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power return pin for the IC bias current and high peak gate-driver current, which must connect directly to the SR MOSFET source pins."
      },
      {
        "number": "3",
        "name": "REG",
        "type": "power_out",
        "description": "Internal linear regulator output that generates a well-regulated 11-V bias rail, requiring a 2.2-µF bypass capacitor from REG to PGND."
      },
      {
        "number": "4",
        "name": "VD1",
        "type": "input",
        "description": "Channel 1 SR MOSFET drain voltage sensing input, rated for -0.7 V to 230 V, which should be routed to avoid shared power-path parasitic inductance."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Sense input for the voltage drop across both SR MOSFETs, shared by both channels, where an optional resistor to the MOSFET source adjusts the turn-off threshold."
      },
      {
        "number": "6",
        "name": "VD2",
        "type": "input",
        "description": "Channel 2 SR MOSFET drain voltage sensing input, rated for -0.7 V to 230 V, which should be routed to avoid shared power-path parasitic inductance."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Input to the internal linear regulator, connected to the output voltage when that voltage is below 24.75 V, with a series resistor required above 24.75 V to limit the internal clamp current."
      },
      {
        "number": "8",
        "name": "VG2",
        "type": "output",
        "description": "Gate drive output for the channel 2 SR MOSFET, delivering 1.5-A peak source and 4-A peak sink current into a large N-channel MOSFET through a small series resistor."
      }
    ],
    "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 marks REG as 'O' (output) and VDD as 'I' (input). I mapped REG to KiCad power_out beca; Pin numbers come from the Pin Functions table (page 3). The top-view figure text on that page is gar"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0431,
        "at": "2026-10-17T19:01:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc24624.pdf",
        "pages": 38,
        "sha256": "cb5bd27d66fa0a05",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc24624dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc24624dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "14b42f4e81142847c743240c4a30ae62f63de2a1abe1e39d9048c680f0273654",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cb5bd27d66fa0a056ff262ec82e1703600a7d655d5c9ea65774c9437eb411f22",
      "rows": [
        {
          "name": "Supply voltage (VDD)",
          "symbol": "VVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.25,
          "typ": null,
          "max": 26,
          "conditions": "Over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage on sensing pins",
          "symbol": "VVD1, VVD2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 200,
          "conditions": "Over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "fSW",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "Over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Over operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage VDD (absolute max)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage VD1, VD2 (absolute max)",
          "symbol": "VD1, VD2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.7,
          "typ": null,
          "max": 230,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage VD1, VD2 transient",
          "symbol": "VD1, VD2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": 230,
          "conditions": "For IVD1, IVD2 ≤ –10 mA and less than 300 ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage VG1, VG2 (absolute max)",
          "symbol": "VG1, VG2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VREG+0.7",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "REG pin voltage (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 13.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak output current VG1 or VG2",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "Pulsed, tPULSE ≤ 4 ms, duty cycle ≤ 1%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature (absolute max)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM (all pins except 4 and 6)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "Human body model, per ANSI/ESDA/JEDEC JS-001",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM (pins 4 and 6)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1000,
          "typ": null,
          "max": 1000,
          "conditions": "Human body model, per ANSI/ESDA/JEDEC JS-001; pins VD1 and VD2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM (all pins)",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "Charged device model, per JEDEC JESD22-C101",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD current, REG under voltage",
          "symbol": "IVDDSTART",
          "kind": "electrical",
          "unit": "µA",
          "min": 5,
          "typ": 150,
          "max": 275,
          "conditions": "VVDD = 4 V, VVD1 = VVD2 = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD current, run",
          "symbol": "IVDDRUN",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.77,
          "typ": 1.1,
          "max": 1.5,
          "conditions": "VVDD = 12 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD current, run",
          "symbol": "IVDDRUN",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.7,
          "typ": 1,
          "max": 1.5,
          "conditions": "VVDD = 5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD current, standby mode",
          "symbol": "IVDDSTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": 110,
          "typ": 180,
          "max": 200,
          "conditions": "VVDD = 12 V, 25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD current, standby mode",
          "symbol": "IVDDSTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": 100,
          "typ": 180,
          "max": 200,
          "conditions": "VVDD = 5 V, 25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VDD clamp voltage",
          "symbol": "VDDCLAMP",
          "kind": "electrical",
          "unit": "V",
          "min": 24.75,
          "typ": 27.5,
          "max": 29.5,
          "conditions": "IVDD = 15 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "REG turn-on threshold",
          "symbol": "VREGON",
          "kind": "electrical",
          "unit": "V",
          "min": 4.1,
          "typ": 4.5,
          "max": 4.8,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "REG turn-off threshold",
          "symbol": "VREGOFF",
          "kind": "electrical",
          "unit": "V",
          "min": 3.63,
          "typ": 4,
          "max": 4.25,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "REG UVLO hysteresis",
          "symbol": "VREGHYST",
          "kind": "electrical",
          "unit": "V",
          "min": 0.45,
          "typ": 0.5,
          "max": 0.555,
          "conditions": "VREGHYST = VREGON – VREGOFF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SR turn-on threshold",
          "symbol": "VTHVGON",
          "kind": "electrical",
          "unit": "mV",
          "min": -435,
          "typ": -265,
          "max": -160,
          "conditions": "VVD1 or VVD2 falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SR turn-off threshold",
          "symbol": "VTHVGOFF",
          "kind": "electrical",
          "unit": "mV",
          "min": 2,
          "typ": 10.5,
          "max": 18,
          "conditions": "VVD1 or VVD2 rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VSS pin offset current for turn-off threshold adjustment",
          "symbol": "IVS_OFFSET",
          "kind": "electrical",
          "unit": "µA",
          "min": 260,
          "typ": 330,
          "max": 400,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level regulation threshold",
          "symbol": "VTHPGD_LO",
          "kind": "electrical",
          "unit": "mV",
          "min": -80,
          "typ": -35,
          "max": 0,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level regulation threshold",
          "symbol": "VTHPGD_HI",
          "kind": "electrical",
          "unit": "mV",
          "min": -165,
          "typ": -100,
          "max": -40,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SR turn-on re-arming threshold",
          "symbol": "VTHARM",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.5,
          "max": 1.7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Bias current on VD1 or VD2",
          "symbol": "IVDBIAS",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": 0,
          "max": 0.5,
          "conditions": "VVD1 = VVD2 = -150 mV",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG pull-up resistance",
          "symbol": "RVG_PU",
          "kind": "electrical",
          "unit": "Ω",
          "min": 3.5,
          "typ": 6.5,
          "max": 11.25,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG pull-down resistance",
          "symbol": "RVG_PD",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.2,
          "typ": 0.9,
          "max": 1.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG high clamp level",
          "symbol": "VGHI",
          "kind": "electrical",
          "unit": "V",
          "min": 9.95,
          "typ": 10.9,
          "max": 11.68,
          "conditions": "IVG = 0 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG output low voltage, VDD low bias",
          "symbol": "VGUV",
          "kind": "electrical",
          "unit": "mV",
          "min": 1,
          "typ": 20,
          "max": 100,
          "conditions": "VVDD = 4 V, IVG = 25 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG output low voltage",
          "symbol": "VGLO",
          "kind": "electrical",
          "unit": "mV",
          "min": 5,
          "typ": 100,
          "max": 175,
          "conditions": "VVDD = 12 V, IVG = 100 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG maximum source current",
          "symbol": "IVGSOURCE",
          "kind": "electrical",
          "unit": "A",
          "min": 0.9,
          "typ": 1.5,
          "max": 2.4,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VG maximum sink current",
          "symbol": "IVGSINK",
          "kind": "electrical",
          "unit": "A",
          "min": 2.6,
          "typ": 4,
          "max": 6.7,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "REG pin regulation level",
          "symbol": "VREG",
          "kind": "electrical",
          "unit": "V",
          "min": 9.9,
          "typ": 11,
          "max": 11.9,
          "conditions": "VVDD = 15 V, ILOAD_REG = 0 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation on REG",
          "symbol": "VREGLG",
          "kind": "electrical",
          "unit": "mV",
          "min": 9,
          "typ": 25,
          "max": 75,
          "conditions": "VVDD = 15 V, ILOAD_REG = 0 mA to 30 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "REG drop out on passthrough mode",
          "symbol": "VREGDO",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 0.28,
          "max": 0.5,
          "conditions": "VVDD = 5 V, ILOAD_REG = 0 mA to 10 mA",
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