UC3823ADWTR

{
  "slug": "uc3823adwtr",
  "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)",
    "uc3823adwtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "uc3823adwtr.kicad_sym",
    "uc3823adwtr.kicad_mod",
    "uc3823adwtr.glb",
    "uc3823adwtr.step",
    "uc3823adwtr.lbr",
    "docs/hero.png",
    "docs/uc3823adwtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uc3823adwtr-hero.glb",
    "uc3823adwtr-hero.overlay.json"
  ],
  "component": {
    "mpn": "UC3823ADWTR",
    "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/uc3825a",
    "parts": {
      "symbol": "uc3823adwtr.kicad_sym",
      "footprint": "uc3823adwtr.kicad_mod",
      "model_3d": "uc3823adwtr-hero.glb",
      "model_3d_plain": "uc3823adwtr.glb",
      "model_3d_step": "uc3823adwtr-etched.step",
      "model_3d_step_plain": "uc3823adwtr.step",
      "lbr": "uc3823adwtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2658804",
      "digikey": "UC3823ADWTR-ND",
      "mouser": "595-UC3823ADWTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T15:47:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UC3823ADWTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UC3823ADWTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INV",
        "type": "input",
        "description": "Inverting input to the error amplifier."
      },
      {
        "number": "2",
        "name": "NI",
        "type": "input",
        "description": "Non-inverting input to the error amplifier."
      },
      {
        "number": "3",
        "name": "EAOUT",
        "type": "output",
        "description": "Output of the error amplifier, used for loop compensation."
      },
      {
        "number": "4",
        "name": "CLK/LEB",
        "type": "output",
        "description": "Output of the internal oscillator, which also sets the leading edge blanking period when a capacitor is connected and no longer accepts an incoming synchronizing signal."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "input",
        "description": "Timing resistor connection pin for oscillator frequency programming."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "input",
        "description": "Timing capacitor connection pin for oscillator frequency programming, which should be connected to device ground using minimal trace length."
      },
      {
        "number": "7",
        "name": "RAMP",
        "type": "input",
        "description": "Non-inverting input to the PWM comparator with a 1.25-V internal input offset, serving as voltage-mode feed-forward or peak-current-mode slope compensation input."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "input",
        "description": "Soft-start input pin which also doubles as the maximum duty cycle clamp."
      },
      {
        "number": "9",
        "name": "ILIM",
        "type": "input",
        "description": "Input to the current limit comparator; the fault latch is set and outputs are driven low when ILIM exceeds 1.2 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground return pin."
      },
      {
        "number": "11",
        "name": "OUTA",
        "type": "output",
        "description": "High current totem pole output A of the on-chip drive stage, capable of 2-A peak current into a capacitive load."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground return pin for the output driver stage, kept separate from analog ground to decouple gate drive noise."
      },
      {
        "number": "13",
        "name": "VC",
        "type": "power_in",
        "description": "Power supply pin for the output stage, to be bypassed with a 0.1-μF monolithic ceramic low ESL capacitor with minimal trace lengths."
      },
      {
        "number": "14",
        "name": "OUTB",
        "type": "output",
        "description": "High current totem pole output B of the on-chip drive stage, capable of 2-A peak current into a capacitive load."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin for the device, to be bypassed with a 0.1-μF monolithic ceramic low ESL capacitor with minimal trace lengths."
      },
      {
        "number": "16",
        "name": "VREF",
        "type": "power_out",
        "description": "5.1-V reference output, to be bypassed with a 0.1-μF monolithic ceramic low ESL capacitor with minimal trace length to the ground plane."
      }
    ],
    "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: The datasheet pin table (pages 3-4) gives one pin assignment shared by the DW, J and N packages, so ; Only 15 of 25 datasheet pages were supplied. The electrical limits such as the 2-A peak output and 1; The pin type for CLK/LEB, VREF and OUTA/OUTB follows the datasheet's I/O column (O). Pins VC, VCC, P"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0881,
        "at": "2026-10-10T15:46:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/uc3825a",
        "pages": 25,
        "sha256": "282207a34ca7cf7a",
        "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": "uc3823adwtr.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uc3823adwtr-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": "baa4f913a7af718d1d22a5a4fbc48baf5a4f2db849349ee2e0cd04a586ec99e7",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}