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Ray Publish 0.1.0 2f36d30 1mo ago
{
  "slug": "ucc2895qdwrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc2895qdwrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc2895qdwrq1.kicad_sym",
    "ucc2895qdwrq1.kicad_mod",
    "ucc2895qdwrq1.glb",
    "ucc2895qdwrq1.step",
    "ucc2895qdwrq1.lbr",
    "docs/hero.png",
    "docs/ucc2895qdwrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc2895qdwrq1-hero.glb",
    "ucc2895qdwrq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCC2895QDWRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc2895-q1",
    "parts": {
      "symbol": "ucc2895qdwrq1.kicad_sym",
      "footprint": "ucc2895qdwrq1.kicad_mod",
      "model_3d": "ucc2895qdwrq1-hero.glb",
      "model_3d_plain": "ucc2895qdwrq1.glb",
      "model_3d_step": "ucc2895qdwrq1-etched.step",
      "model_3d_step_plain": "ucc2895qdwrq1.step",
      "lbr": "ucc2895qdwrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2864308",
      "digikey": "296-23908-2-ND",
      "mouser": "595-UCC2895QDWRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:04:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-23908-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCC2895QDWRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EAN",
        "type": "input",
        "description": "Inverting input to the error amplifier, which must be kept below 3.6 V for proper operation."
      },
      {
        "number": "2",
        "name": "EAOUT",
        "type": "bidirectional",
        "description": "Error amplifier output, internally clamped to the soft-start voltage and feeding the PWM and no-load comparators, which shut the outputs down below 500 mV and re-enable them above 600 mV."
      },
      {
        "number": "3",
        "name": "RAMP",
        "type": "input",
        "description": "Inverting input of the PWM comparator, receiving the CT waveform in voltage or average-current mode or the current signal plus slope compensation in peak-current mode."
      },
      {
        "number": "4",
        "name": "REF",
        "type": "output",
        "description": "5-V ±1.2% reference that can supply up to 5 mA to external loads, with no more than 1 µF of total capacitance on this pin."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for all circuits except the output stages, and must be electrically tied to PGND."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Oscillator synchronization pin that outputs the internal clock or accepts an external clock, with a level-sensitive input threshold of 1.9 V low and 2.1 V high."
      },
      {
        "number": "7",
        "name": "CT",
        "type": "input",
        "description": "Oscillator timing capacitor charged by a programmed current to a 2.35 V sawtooth peak, with CT ranging from 100 pF to 880 pF."
      },
      {
        "number": "8",
        "name": "RT",
        "type": "input",
        "description": "Oscillator timing resistor that sets the switching frequency, with RT ranging from 40 kΩ to 120 kΩ."
      },
      {
        "number": "9",
        "name": "DELAB",
        "type": "input",
        "description": "Programs the dead time between OUTA and OUTB, can source approximately 1 mA maximum, is clamped to a minimum of 0.5 V, and tying it to REF defeats the programmed delay."
      },
      {
        "number": "10",
        "name": "DELCD",
        "type": "input",
        "description": "Programs the dead time between OUTC and OUTD, can source approximately 1 mA maximum, is clamped to a minimum of 0.5 V, and tying it to REF defeats the programmed delay."
      },
      {
        "number": "11",
        "name": "ADS",
        "type": "input",
        "description": "Adaptive delay set input, which must be limited to between 0 V and 2.5 V and must be less than or equal to CS."
      },
      {
        "number": "12",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input for cycle-by-cycle current limiting, with an overcurrent threshold of 2.5 V that initiates a soft stop."
      },
      {
        "number": "13",
        "name": "OUTD",
        "type": "output",
        "description": "100-mA CMOS driver output for the second half-bridge, phase shifted with respect to OUTB."
      },
      {
        "number": "14",
        "name": "OUTC",
        "type": "output",
        "description": "100-mA CMOS driver output for the second half-bridge, phase shifted with respect to OUTA."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "Power-supply input that must be bypassed with a minimum of 1 µF low-ESR, low-ESL capacitor to ground."
      },
      {
        "number": "16",
        "name": "PGND",
        "type": "power_in",
        "description": "Output-stage power ground that carries high current, so its board traces must be low impedance and electrically tied to GND."
      },
      {
        "number": "17",
        "name": "OUTB",
        "type": "output",
        "description": "100-mA CMOS driver output for the first half-bridge, fully complementary to OUTA assuming no programmed delay."
      },
      {
        "number": "18",
        "name": "OUTA",
        "type": "output",
        "description": "100-mA CMOS driver output for the first half-bridge, operating near 50% duty cycle at one-half the oscillator frequency."
      },
      {
        "number": "19",
        "name": "SS/DISB",
        "type": "input",
        "description": "Combined soft-start and disable pin, where forcing it below 0.5 V disables the chip and it sources current equal to IRT during soft start."
      },
      {
        "number": "20",
        "name": "EAP",
        "type": "input",
        "description": "Noninverting input to the error amplifier, which must be kept below 3.6 V for proper operation."
      }
    ],
    "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 numbers were taken from the DW top-view pinout (page 2) and cross-checked against the Terminal F; The datasheet gives no explicit '300 mil' wording; the package is identified from the ordering table"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1009,
        "at": "2026-10-11T11:03:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc2895-q1",
        "pages": 25,
        "sha256": "5b333e1d4ff20c03",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc2895qdwrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc2895qdwrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bf4fb9d4225dec085d11858bb4d8e933f2fa9664d64514108092091fe4c29094",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}