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Ray Set visibility: public f0e3399 6h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc28910dr",
  "title": "UCC28910DR",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, SOIC-7. 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)",
    "ucc28910dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC28910DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-7",
    "pin_count": 7,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28910.pdf",
    "parts": {
      "symbol": "ucc28910dr.kicad_sym",
      "footprint": "ucc28910dr.kicad_mod",
      "model_3d": "ucc28910dr-hero.glb",
      "model_3d_plain": "ucc28910dr-etched.glb",
      "model_3d_step": "ucc28910dr-etched.step",
      "model_3d_step_plain": "ucc28910dr.step",
      "lbr": "ucc28910dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C527701",
      "digikey": "296-37829-2-ND",
      "mouser": "595-UCC28910DR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:20:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37829-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC28910DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin is the reference for the controller and the low-side return for the drive output, and AC decoupling should return as close as possible to this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin is the reference for the controller and the low-side return for the drive output, shorted together with the other GND pins to pull out FET heat."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin is the reference for the controller and the low-side return for the drive output, shorted together with the other GND pins to pull out FET heat."
      },
      {
        "number": "4",
        "name": "IPK",
        "type": "output",
        "description": "A resistor RIPK from IPK to GND sets the maximum power FET peak current, and a short to GND selects the internal 600 mA peak for UCC28910."
      },
      {
        "number": "5",
        "name": "VS",
        "type": "power_in",
        "description": "Voltage Sense pin receives a divider from the auxiliary winding for output voltage and timing feedback, with the line-sense enable threshold at 210 μA and disable threshold at 75 μA."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Controller supply with VDD turn-on UVLO of 9.5 V and turn-off of 6.5 V, operating up to 26 V (VDDCLAMP minimum) and clamp current limited to 10 mA."
      },
      {
        "number": "8",
        "name": "DRAIN",
        "type": "power_in",
        "description": "Drain of the internal 700-V power FET, which also supplies the high-voltage start-up current source, with a maximum DRAIN voltage of 700 V."
      }
    ],
    "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: Pin 7 is listed in the pin table as N/A and the datasheet states it is not present (spacer for high-"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0202,
        "at": "2026-11-05T23:20:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc28910.pdf",
        "pages": 56,
        "sha256": "cdddf8860e8cc978",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc28910dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4c9435ffd3683a4ae45655e397c25900eda4f6782a526780f4f7b7b99a32dca7",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc28910dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fdf87708e45507773703f2baa212f08264430748c07a40735783ce9761738577",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-7",
      "Category": "Power Management (PMIC)",
      "Pins": "7"
    },
    "appearance": {
      "contacts": {
        "quote": "(3) Maximum continuous power with open frame design at 50°C ambient, with adequate copper area connected on GND pin and /or",
        "page": 3,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "cdddf8860e8cc978a6a5fae90259d6a551a5d7d2643d21fdb275e83c39a29845"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cdddf8860e8cc978a6a5fae90259d6a551a5d7d2643d21fdb275e83c39a29845",
      "rows": [
        {
          "name": "DRAIN voltage",
          "symbol": "VDRAIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Negative drain current",
          "symbol": "IDRAIN",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum VDD clamp current",
          "symbol": "IVDD(clp)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VS voltage range",
          "symbol": "VVS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIPK voltage range",
          "symbol": "VIPK",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Peak VS pin current (current out of the pin)",
          "symbol": "IVS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -1.2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Pulsed drain current, UCC28910",
          "symbol": "IDRAIN",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 950,
          "conditions": "Maximum pulse width = 100 μs",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "1.6 mm (1/16 inch) from case for 10 seconds",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current out of the terminal",
          "symbol": "IVS",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum drain peak current, UCC28910",
          "symbol": "ID(peak_max)",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "UCC28910",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply current, run",
          "symbol": "IRUN",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.3,
          "typ": 2.9,
          "max": 3.4,
          "conditions": "VVS = 3.9 V, fSW = fSW(max)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "IRUNQ",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.9,
          "typ": 2.35,
          "max": 2.8,
          "conditions": "VVS = 3.9 V, fSW = 0 Hz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Wait supply current",
          "symbol": "IWAIT",
          "kind": "electrical",
          "unit": "µA",
          "min": 270,
          "typ": null,
          "max": 370,
          "conditions": "VVS = 4.1 V, fSW = fSW(min), TJ = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Quiescent wait supply current",
          "symbol": "IWAITQ",
          "kind": "electrical",
          "unit": "µA",
          "min": 200,
          "typ": null,
          "max": 280,
          "conditions": "VVS = 4.1 V, fSW = 0 Hz, TJ = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply current before start",
          "symbol": "ISTART",
          "kind": "electrical",
          "unit": "µA",
          "min": 65,
          "typ": null,
          "max": 90,
          "conditions": "0 V ≤ VVDD ≤ 5.6 V, VDRAIN = 0 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply current after fault",
          "symbol": "IFAULT",
          "kind": "electrical",
          "unit": "µA",
          "min": 190,
          "typ": null,
          "max": 260,
          "conditions": "fSW = 0 Hz",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VDD turn-on threshold",
          "symbol": "VDDON",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 9.5,
          "max": 10,
          "conditions": "VVDD low to high",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VDD turn-off threshold",
          "symbol": "VDDOFF",
          "kind": "electrical",
          "unit": "V",
          "min": 6,
          "typ": 6.5,
          "max": 7,
          "conditions": "VVDD high to low",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "HV current source start",
          "symbol": "VDDHV(on)",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5.2,
          "max": 5.6,
          "conditions": "VVDD high to low",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis",
          "symbol": "ΔVUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 3,
          "max": 3.2,
          "conditions": "VDDON – VDDOFF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Startup current with VDD shorted to GND",
          "symbol": "ICH1",
          "kind": "electrical",
          "unit": "µA",
          "min": -300,
          "typ": null,
          "max": -100,
          "conditions": "VVDD < 250 mV, VDRAIN = 100 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Sourced current for startup at high VDD",
          "symbol": "ICH2",
          "kind": "electrical",
          "unit": "mA",
          "min": -9.75,
          "typ": null,
          "max": -0.4,
          "conditions": "VVDD = 8 V, VDRAIN = 100 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Sourced current for startup at low VDD",
          "symbol": "ICH3",
          "kind": "electrical",
          "unit": "mA",
          "min": -13.75,
          "typ": null,
          "max": -1.3,
          "conditions": "VVDD = 2 V, VDRAIN = 100 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Regulating level",
          "symbol": "VVSR",
          "kind": "electrical",
          "unit": "V",
          "min": 4.01,
          "typ": 4.05,
          "max": 4.09,
          "conditions": "Measured in no load condition, TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Negative clamp level",
          "symbol": "VVSNC",
          "kind": "electrical",
          "unit": "mV",
          "min": -325,
          "typ": -250,
          "max": -190,
          "conditions": "IVS = –300 μA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input bias current",
          "symbol": "IVS",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.25,
          "typ": 0,
          "max": 0.25,
          "conditions": "VVS = 4 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Over-voltage threshold",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 4.45,
          "typ": 4.6,
          "max": 4.75,
          "conditions": "At VS input, TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VS line sense run current",
          "symbol": "IVSL(run)",
          "kind": "electrical",
          "unit": "µA",
          "min": 175,
          "typ": 215,
          "max": 260,
          "conditions": "Current out of VS pin – increasing",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VS line sense stop current",
          "symbol": "IVSL(stop)",
          "kind": "electrical",
          "unit": "µA",
          "min": 60,
          "typ": 75,
          "max": 100,
          "conditions": "Current out of VS pin – decreasing",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Line sense IVS ratio",
          "symbol": "KVSL",
          "kind": "electrical",
          "unit": "A/A",
          "min": 2.55,
          "typ": 2.7,
          "max": 2.9,
          "conditions": "IVSL(run) / IVSL(stop)",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VDD voltage clamp",
          "symbol": "VDDCLP",
          "kind": "electrical",
          "unit": "V",
          "min": 26,
          "typ": 28,
          "max": 30,
          "conditions": "IVDDCLP forced = 2 mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "VDD clamp over current",
          "symbol": "IVDDCLP_OC",
          "kind": "electrical",
          "unit": "mA",
          "min": 4.65,
          "typ": 6,
          "max": 7.65,
          "conditions": "VVDD > 25 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "DRAIN over current",
          "symbol": "ID(ocp)",
          "kind": "electrical",
          "unit": "mA",
          "min": 725,
          "typ": 850,
          "max": 925,
          "conditions": "IPK pin shorted to GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Equivalent VCST(OCP), ID(ocp) x RIPK",
          "symbol": "VCSTE_OCP",
          "kind": "electrical",
          "unit": "V",
          "min": 670,
          "typ": 770,
          "max": 830,
          "conditions": "VVS = 3.9 V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Maximum FET on time at high load",
          "symbol": "tONMAX(max)",
          "kind": "timing",
          "unit": "µs",
          "min": 13,
          "typ": 18,
          "max": 24,
          "conditions": "VVS < 3.9 V, IPK shorted to GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Maximum FET on time at low load",
          "symbol": "tONMAX(min)",
          "kind": "timing",
          "unit": "µs",
          "min": 4.3,
          "typ": 6,
          "max": 10,
          "conditions": "VVS > 4.1 V, IPK shorted to GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Power FET on resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": 10.5,
          "typ": null,
          "max": 12,
          "conditions": "ID = 150 mA, TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Power FET on resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": 18.4,
          "typ": null,
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