UC2823DW

{
  "slug": "uc2823dw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "uc2823dw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "uc2823dw.kicad_sym",
    "uc2823dw.kicad_mod",
    "uc2823dw.glb",
    "uc2823dw.step",
    "uc2823dw.lbr",
    "docs/hero.png",
    "docs/uc2823dw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uc2823dw-hero.glb",
    "uc2823dw-hero.overlay.json"
  ],
  "component": {
    "mpn": "UC2823DW",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/uc2823",
    "parts": {
      "symbol": "uc2823dw.kicad_sym",
      "footprint": "uc2823dw.kicad_mod",
      "model_3d": "uc2823dw-hero.glb",
      "model_3d_plain": "uc2823dw.glb",
      "model_3d_step": "uc2823dw-etched.step",
      "model_3d_step_plain": "uc2823dw.step",
      "lbr": "uc2823dw.lbr"
    },
    "distributor_links": {
      "lcsc": "C1530202",
      "digikey": "2156-UC2823DW-ND",
      "mouser": "595-UC2823DW"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:12:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UC2823DW-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UC2823DW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Inv.",
        "type": "input",
        "description": "Inverting input of the error amplifier; analog inputs are rated -0.3V to +6V."
      },
      {
        "number": "2",
        "name": "N.I.",
        "type": "input",
        "description": "Non-inverting input of the error amplifier; analog inputs are rated -0.3V to +6V."
      },
      {
        "number": "3",
        "name": "E/A Out",
        "type": "output",
        "description": "Error amplifier output, with maximum output current of 5mA."
      },
      {
        "number": "4",
        "name": "Clock",
        "type": "output",
        "description": "Oscillator clock output, with maximum output current of -5mA."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor connection, with maximum oscillator charging current of -5mA."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor connection."
      },
      {
        "number": "7",
        "name": "Ramp",
        "type": "input",
        "description": "Ramp input to the PWM comparator, rated -0.3V to +6V."
      },
      {
        "number": "8",
        "name": "Soft Start",
        "type": "passive",
        "description": "Soft start pin that doubles as a maximum duty cycle clamp, with maximum sink current of 20mA."
      },
      {
        "number": "9",
        "name": "ILIM/S.D.",
        "type": "input",
        "description": "Shutdown comparator input (1.4V threshold) with TTL-compatible shutdown, rated -0.3V to +6V."
      },
      {
        "number": "10",
        "name": "Ground",
        "type": "power_in",
        "description": "Signal ground; all voltages are referenced to this pin."
      },
      {
        "number": "11",
        "name": "ILIMREF",
        "type": "input",
        "description": "DC reference input voltage to the current limit comparator, rated -0.3V to +6V."
      },
      {
        "number": "12",
        "name": "Pwr Gnd",
        "type": "power_in",
        "description": "Power ground for the output stage."
      },
      {
        "number": "13",
        "name": "Vc",
        "type": "power_in",
        "description": "Supply for the totem pole output stage, 30V maximum."
      },
      {
        "number": "14",
        "name": "Out",
        "type": "output",
        "description": "Totem pole output, 1.5A peak, absolute maximum 0.5A DC and 2.0A pulse (0.5µs)."
      },
      {
        "number": "15",
        "name": "Vcc",
        "type": "power_in",
        "description": "Supply voltage input, 30V maximum, with undervoltage lockout with 800mV hysteresis."
      },
      {
        "number": "16",
        "name": "VREF 5.1V",
        "type": "power_out",
        "description": "5.1V trimmed bandgap reference output (5.05V to 5.15V for UC2823 at 1mA)."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types and descriptions for RT, CT, Ramp, Soft Start and ILIM/S.D. are inferred from the block di",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.2794,
        "at": "2026-10-08T22:09:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/uc2823",
        "pages": 14,
        "sha256": "a5390e0e8f202a71",
        "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": "uc2823dw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uc2823dw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "830dfde8e6bf43b415361bee05f29caff29bd968b10df62e55af85d894bf8475",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}