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Ray Set visibility: public 0981104 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc28061qdrq1",
  "title": "UCC28061QDRQ1",
  "brief": "Texas Instruments AC-DC Controllers & Regulators, SOIC-16. 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 supply chip",
    "ucc28061qdrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC28061QDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Supply Chip",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc28061-q1",
    "parts": {
      "symbol": "ucc28061qdrq1.kicad_sym",
      "footprint": "ucc28061qdrq1.kicad_mod",
      "model_3d": "ucc28061qdrq1-hero.glb",
      "model_3d_plain": "ucc28061qdrq1-etched.glb",
      "model_3d_step": "ucc28061qdrq1-etched.step",
      "model_3d_step_plain": "ucc28061qdrq1.step",
      "lbr": "ucc28061qdrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870880",
      "digikey": "296-41050-2-ND",
      "mouser": "595-UCC28061QDRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:44:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41050-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCC28061QDRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ZCDB",
        "type": "input",
        "description": "Zero current detection input for phase B, clamped at 0 V and 3 V, expects a negative edge (falling threshold ~1 V, rising ~1.7 V) via a series resistor limiting clamp current to less than ±3 mA."
      },
      {
        "number": "2",
        "name": "VSENSE",
        "type": "input",
        "description": "Output DC voltage sense input from a divider across the converter output with 6 V error amplifier reference; pulling it low disables the outputs, and open-loop protection pulls it low if disconnected."
      },
      {
        "number": "3",
        "name": "TSET",
        "type": "input",
        "description": "PWM on-time programming input; a resistor to AGND sets on-time versus COMP voltage and the minimum period at the gate drive outputs."
      },
      {
        "number": "4",
        "name": "PHB",
        "type": "input",
        "description": "Phase B enable input that turns channel B on/off (doubling channel A on-time when disabled); connect to COMP for automatic phase management or to VREF to disable it."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Transconductance error amplifier output (high-impedance current source) for loop compensation to AGND; on-time is proportional to COMP minus ~125 mV and COMP is pulled low during soft-start events."
      },
      {
        "number": "6",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for signal bypass capacitors, compensation components and analog returns, connected to power ground at a single point."
      },
      {
        "number": "7",
        "name": "VINAC",
        "type": "input",
        "description": "Input AC voltage sense from a divider across the rectified mains; below the brownout threshold longer than the filter time both drives are disabled (recommended input range 0 to 6 V)."
      },
      {
        "number": "8",
        "name": "HVSEN",
        "type": "input",
        "description": "High voltage output sense for redundant fail-safe overvoltage protection and power-good enable of a downstream converter; must never fall below 0.8 V during operation."
      },
      {
        "number": "9",
        "name": "PWMCNTL",
        "type": "output",
        "description": "Open-drain PWM enable output that goes low when HVSEN is in the good region and ZCDA/ZCDB are switching correctly, otherwise high impedance."
      },
      {
        "number": "10",
        "name": "CS",
        "type": "input",
        "description": "Current sense input that goes negative with input current; cycle-by-cycle overcurrent turns off both gate drives at about -200 mV and releases at about -15 mV."
      },
      {
        "number": "11",
        "name": "GDB",
        "type": "output",
        "description": "Channel B gate drive output to the power FET gate, with an optional 5-10 Ω series resistor to reduce ringing."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias supply input of 14 V to 21 V, bypassed with 0.1 µF to PGND, and must deliver 6 mA dc plus gate charging current."
      },
      {
        "number": "13",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the integrated circuit, connected to AGND through a separate short trace to isolate gate driver noise."
      },
      {
        "number": "14",
        "name": "GDA",
        "type": "output",
        "description": "Channel A gate drive output to the power FET gate, with an optional 5-10 Ω series resistor to reduce ringing."
      },
      {
        "number": "15",
        "name": "VREF",
        "type": "power_out",
        "description": "6 V reference output bypassed with 0.1 µF to AGND that can bias circuits needing less than 2 mA total and turns off during VCC undervoltage and VSENSE disable."
      },
      {
        "number": "16",
        "name": "ZCDA",
        "type": "input",
        "description": "Zero current detection input for phase A, clamped at 0 V and 3 V, expects a negative edge (falling threshold ~1 V, rising ~1.7 V) via a series resistor limiting clamp current to less than ±3 mA."
      }
    ],
    "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: Pin numbers for ZCDA/ZCDB/GDA/GDB/PGND/VREF/etc. taken from the terminal function table (consistent "
        ],
        "pages_sent": 10,
        "cost_usd": 0.1183,
        "at": "2026-10-23T12:44:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc28061-q1",
        "pages": 33,
        "sha256": "0916ffb443732489",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc28061qdrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc28061qdrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b560c7384e633f69d60f6d1cd637d641e1699b297e3d5e65127c9d5e6991336a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Power Supply Chip",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0916ffb443732489e36ff46053214c81dccfa2470050d59f434b08350183681f",
      "rows": [
        {
          "name": "VCC input voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 21,
          "conditions": "wrt GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PWMCNTL input voltage",
          "symbol": "PWMCNTL",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "COMP, CS, PHB, HVSEN, VINAC, VSENSE input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
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          "max": 7,
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        },
        {
          "name": "ZCDA, ZCDB input voltage",
          "symbol": "",
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          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "VCC continuous input current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
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        {
          "name": "PWMCNTL input current",
          "symbol": "",
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          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "ZCDA, ZCDB, VSENSE input current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VREF output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous gate current GDA, GDB",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": 2000,
          "conditions": "AEC-Q100 Classification Level H2",
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          "source": "datasheet"
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        {
          "name": "ESD CDM",
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          "conditions": "AEC-Q100 Classification Level C3B",
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          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 91.6,
          "max": null,
          "conditions": "D (16 pin)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "θJCtop",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52.1,
          "max": null,
          "conditions": "D (16 pin)",
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          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "θJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48.6,
          "max": null,
          "conditions": "D (16 pin)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 14.9,
          "max": null,
          "conditions": "D (16 pin)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48.3,
          "max": null,
          "conditions": "D (16 pin)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC input voltage from low-impedance source",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 14,
          "typ": null,
          "max": 21,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC input current from high-impedance source",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 8,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VREF load current",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": -2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VINAC input voltage",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": 0,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ZCDA, ZCDB series resistor",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 20,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "TSET resistor to program PWM on-time",
          "symbol": "RTSET",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 66.5,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "HVSEN input voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 4.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PWMCNTL pull-up resistor to VREF",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 1,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC shunt voltage",
          "symbol": "VCC(shunt)",
          "kind": "electrical",
          "unit": "V",
          "min": 22,
          "typ": 24,
          "max": 26,
          "conditions": "IVCC = 10 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC current, disabled",
          "symbol": "IVCC(stby)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VSENSE = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC current, enabled",
          "symbol": "IVCC(on)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "VSENSE = 6 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC turn-on threshold",
          "symbol": "VCC(on)",
          "kind": "electrical",
          "unit": "V",
          "min": 11.5,
          "typ": 12.6,
          "max": 13.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC turn-off threshold",
          "symbol": "VCC(off)",
          "kind": "electrical",
          "unit": "V",
          "min": 9.5,
          "typ": 10.35,
          "max": 11.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.85,
          "typ": 2.25,
          "max": 2.65,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VREF output voltage, no load",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 5.82,
          "typ": 6,
          "max": 6.18,
          "conditions": "IVREF = 0 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VREF change with load",
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