UCC2892PW

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc2892pw",
  "title": "UCC2892PW",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-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 management (pmic)",
    "ucc2892pw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC2892PW",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc2892.pdf",
    "parts": {
      "symbol": "ucc2892pw.kicad_sym",
      "footprint": "ucc2892pw.kicad_mod",
      "model_3d": "ucc2892pw-hero.glb",
      "model_3d_plain": "ucc2892pw.glb",
      "model_3d_step": "ucc2892pw-etched.step",
      "model_3d_step_plain": "ucc2892pw.step",
      "lbr": "ucc2892pw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2869523",
      "digikey": "2156-UCC2892PW-TI-ND",
      "mouser": "595-UCC2892PW"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:51:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UCC2892PW-TI-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC2892PW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RTDEL",
        "type": "input",
        "description": "A resistor from this pin to GND programs the turn-on delay of the two gate drive outputs to accommodate the resonant transitions of the active clamp power converter."
      },
      {
        "number": "2",
        "name": "RTON",
        "type": "input",
        "description": "A resistor from this pin to GND programs an internal current source that charges the internal timing capacitor."
      },
      {
        "number": "3",
        "name": "RTOFF",
        "type": "input",
        "description": "A resistor from this pin to GND programs an internal current source that discharges the internal timing capacitor."
      },
      {
        "number": "4",
        "name": "VREF",
        "type": "power_in",
        "description": "This 5-V reference can supply an external load of up to 5 mA and should be bypassed to AGND as close as possible to the device."
      },
      {
        "number": "5",
        "name": "SYNC",
        "type": "input",
        "description": "This unidirectional input synchronizes the internal oscillator, and the synchronizing frequency must be higher than the free-running frequency, with a minimum pulse width of approximately 50 ns."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "This pin is the fundamental analog ground for the PWM control circuitry and should be connected directly to PGND at the device."
      },
      {
        "number": "7",
        "name": "CS",
        "type": "input",
        "description": "This pin senses peak current for current-mode control and current limiting, with pulse-by-pulse current limiting activating at approximately 1.27 V for the UCC2892."
      },
      {
        "number": "8",
        "name": "RSLOPE",
        "type": "input",
        "description": "A resistor from this pin to GND sets the amplitude of the internal slope compensation current."
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "This pin receives the control voltage from an external optocoupler or error amplifier to set the PWM duty cycle."
      },
      {
        "number": "10",
        "name": "SS/SD",
        "type": "input",
        "description": "A capacitor from this pin to GND programs the soft-start interval, is charged by an internal current source of IRTON, and is discharged by a current source equal to IRTON during a fault."
      },
      {
        "number": "11",
        "name": "PGND",
        "type": "power_in",
        "description": "This pin is the current return for the high-current output drivers OUT and AUX and should be kept as short as possible on the switching current path."
      },
      {
        "number": "12",
        "name": "AUX",
        "type": "output",
        "description": "This output drives the auxiliary clamp MOSFET, turning it on when the main switch turns off, with 2-A source turn-on current and 2-A sink turn-off current."
      },
      {
        "number": "13",
        "name": "OUT",
        "type": "output",
        "description": "This output drives the main N-channel MOSFET with 2-A source turn-on current and 2-A sink turn-off current, and a 10-kΩ resistor to PGND is recommended."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "This is the power supply for the device, which requires a 1-µF capacitor from VDD to PGND with a value at least 10 times greater than the capacitor on VREF."
      },
      {
        "number": "15",
        "name": "LINEUV",
        "type": "input",
        "description": "This pin enables and disables the converter by monitoring the bulk input voltage against a 1.27-V threshold, with hysteresis set by an internal current source."
      },
      {
        "number": "16",
        "name": "LINEOV",
        "type": "input",
        "description": "For the UCC2892, this pin provides the line overvoltage function, scaling the input voltage to a precise 1.27-V threshold with user-programmable hysteresis."
      }
    ],
    "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 16 is LINEOV on the UCC2892 (no VIN pin). The UCC2891/UCC2893 use pin 16 as VIN instead. Pin ass; Only the 16-page excerpt was provided. Pin descriptions are summarized from the terminal functions t"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1048,
        "at": "2026-10-08T16:51:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc2892.pdf",
        "pages": 41,
        "sha256": "0b123b68deef52c5",
        "source_tier": "mfr"
      },
      "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": "ucc2892pw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc2892pw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "05a10f91cb051b1c657854e618309aa133c16f321f3a327ff8d316b8795c1a01",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ucc2892pw"
  ],
  "discovery_pitch": "UCC2892PW (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc2892pw.kicad_sym",
    "ucc2892pw.kicad_mod",
    "ucc2892pw.glb",
    "ucc2892pw.step",
    "ucc2892pw.lbr",
    "docs/hero.png",
    "docs/ucc2892pw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc2892pw-hero.glb",
    "ucc2892pw-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}