UCC2580DTR-3

{
  "slug": "ucc2580dtr-3",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc2580dtr-3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
    "ucc2580dtr-3.kicad_sym",
    "ucc2580dtr-3.kicad_mod",
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    "ucc2580dtr-3.step",
    "ucc2580dtr-3.lbr",
    "docs/hero.png",
    "docs/ucc2580dtr-3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "UCC2580DTR-3",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc3580-1",
    "parts": {
      "symbol": "ucc2580dtr-3.kicad_sym",
      "footprint": "ucc2580dtr-3.kicad_mod",
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      "model_3d_step": "ucc2580dtr-3-etched.step",
      "model_3d_step_plain": "ucc2580dtr-3.step",
      "lbr": "ucc2580dtr-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C702410",
      "digikey": "UCC2580DTR-3-ND",
      "mouser": "595-UCC2580DTR-3"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:16:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UCC2580DTR-3-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCC2580DTR-3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DELAY",
        "type": "passive",
        "description": "A resistor from DELAY to GND programs the nonoverlap delay between OUT1 and OUT2 (Delay1 and Delay2); absolute maximum 5.3V and 5mA."
      },
      {
        "number": "2",
        "name": "LINE",
        "type": "input",
        "description": "Hysteretic comparator input with 5.0V on and 4.5V off thresholds, used to sense input line voltage and turn off OUT1 when the line is low."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin bypassed to PGND, with a 15V internal shunt clamp (10mA max) and UVLO of 9V on / 8.5V off for the -3 version; absolute maximum 16V."
      },
      {
        "number": "4",
        "name": "OUT1",
        "type": "output",
        "description": "Gate drive output for the main switch, capable of sourcing up to 0.5A and sinking 1A."
      },
      {
        "number": "5",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground connection for the gate drivers, connected to GND at a single point so no high frequency switching currents flow in the ground plane."
      },
      {
        "number": "6",
        "name": "OUT2",
        "type": "output",
        "description": "Gate drive output for the auxiliary switch with 0.3A drive current capability; inverted in the -3 version to drive NMOS FETs."
      },
      {
        "number": "7",
        "name": "CLK",
        "type": "output",
        "description": "Oscillator clock output from a low impedance CMOS driver, high during guaranteed off time, able to synchronize up to five other UCC3580 PWMs."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground."
      },
      {
        "number": "9",
        "name": "RAMP",
        "type": "input",
        "description": "Feedforward ramp input where resistor R4 to input voltage and capacitor CR to GND set the ramp, with the flux comparator clamping volt-second product at 3.3V."
      },
      {
        "number": "10",
        "name": "OSC2",
        "type": "passive",
        "description": "Oscillator programming pin where a resistor to the timing capacitor controls the guaranteed off time."
      },
      {
        "number": "11",
        "name": "OSC1",
        "type": "passive",
        "description": "Oscillator programming pin where a resistor to the timing capacitor sets the maximum on time."
      },
      {
        "number": "12",
        "name": "EAOUT",
        "type": "output",
        "description": "Error amplifier output and input to the PWM comparator, with loop compensation components connected from EAOUT to EAIN."
      },
      {
        "number": "13",
        "name": "EAIN",
        "type": "input",
        "description": "Inverting input to the error amplifier whose noninverting input is internally set to 2.5V, used for feedback and loop compensation."
      },
      {
        "number": "14",
        "name": "REF",
        "type": "power_out",
        "description": "Precision 5.0V reference output supplying up to 5mA to external circuits, bypassed to GND with a 1uF capacitor."
      },
      {
        "number": "15",
        "name": "SS",
        "type": "passive",
        "description": "A capacitor from SS to ground programs the soft start time, charged by an internal 20uA current once startup conditions are met."
      },
      {
        "number": "16",
        "name": "SHTDWN",
        "type": "input",
        "description": "Comparator input with a 0.5V threshold that stops the chip, holding OUT1 low while OUT2 continues to oscillate."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: REF is a 5V reference output rated 5mA in the pin description but 30mA absolute max; type chosen as ; DELAY, OSC1, OSC2 and SS connect to external passives; type 'passive' is a judgement call.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.4629,
        "at": "2026-10-08T04:15:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3580-1",
        "pages": 16,
        "sha256": "22578373a5379f7a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-08",
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        "checked": "2026-10-08",
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}