UC2825N

{
  "slug": "uc2825n",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Controllers, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "uc2825n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "uc2825n.kicad_sym",
    "uc2825n.kicad_mod",
    "uc2825n.glb",
    "uc2825n.step",
    "uc2825n.lbr",
    "docs/hero.png",
    "docs/uc2825n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "uc2825n-hero.glb",
    "uc2825n-hero.overlay.json",
    "uc2825n-etched.glb"
  ],
  "component": {
    "mpn": "UC2825N",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9a155e2c6c1b716ed08864d7ef45f4f6.pdf",
    "parts": {
      "symbol": "uc2825n.kicad_sym",
      "footprint": "uc2825n.kicad_mod",
      "model_3d": "uc2825n-hero.glb",
      "model_3d_plain": "uc2825n-etched.glb",
      "model_3d_step": "uc2825n-etched.step",
      "model_3d_step_plain": "uc2825n.step",
      "lbr": "uc2825n.lbr"
    },
    "distributor_links": {
      "lcsc": "C1519430",
      "digikey": "296-11171-5-ND",
      "mouser": "595-UC2825N"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:42:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-11171-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UC2825N",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INV",
        "type": "input",
        "description": "Inverting input of the error amplifier; absolute maximum -0.3V to 7V."
      },
      {
        "number": "2",
        "name": "NI",
        "type": "input",
        "description": "Non-inverting input of the error amplifier; absolute maximum -0.3V to 7V."
      },
      {
        "number": "3",
        "name": "E/A Out",
        "type": "output",
        "description": "Error amplifier output, limited to 5mA output current, which drives the PWM comparator."
      },
      {
        "number": "4",
        "name": "Clock",
        "type": "output",
        "description": "Oscillator clock output, limited to -5mA output current."
      },
      {
        "number": "5",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator timing resistor connection that sets the charging current, limited to -5mA, with analog input range -0.3V to 7V."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator timing capacitor connection, with analog input range -0.3V to 6V."
      },
      {
        "number": "7",
        "name": "Ramp",
        "type": "input",
        "description": "Ramp input to the PWM comparator, with analog input range -0.3V to 6V."
      },
      {
        "number": "8",
        "name": "Soft Start",
        "type": "passive",
        "description": "Soft-start pin that doubles as a maximum duty cycle clamp, charged at 9µA typical with a 20mA maximum sink current."
      },
      {
        "number": "9",
        "name": "ILIM/SD",
        "type": "input",
        "description": "Current limit and shutdown input with a 1.0V typical current limit threshold and a 1.40V typical shutdown threshold."
      },
      {
        "number": "10",
        "name": "Gnd",
        "type": "power_in",
        "description": "Signal ground, the reference for all voltages."
      },
      {
        "number": "11",
        "name": "Out A",
        "type": "output",
        "description": "Totem pole output A, with 0.5A DC and 2.0A pulse (0.5µs) maximum source or sink current."
      },
      {
        "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 output totem pole stage, to be bypassed with a 0.1µF ceramic capacitor."
      },
      {
        "number": "14",
        "name": "Out B",
        "type": "output",
        "description": "Totem pole output B, with 0.5A DC and 2.0A pulse (0.5µs) maximum source or sink current."
      },
      {
        "number": "15",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive supply voltage with an absolute maximum of 30V and a 9.2V typical UVLO start threshold."
      },
      {
        "number": "16",
        "name": "VREF 5.1V",
        "type": "power_out",
        "description": "5.1V reference output, to be bypassed with a 0.1µF ceramic capacitor."
      }
    ],
    "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: The absolute maximum ratings text refers to PLCC-style pin numbers (e.g. Pins 13, 15 for supply; Pin; The N package pin diagram is shared with the J package (DIL-16 J or N). The pin types for RT, CT and",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 22,
        "cost_usd": 0.4755,
        "at": "2026-10-30T22:42:38"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9a155e2c6c1b716ed08864d7ef45f4f6.pdf",
        "pages": 22,
        "sha256": "5481058c2f897c75",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "uc2825n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ca85d100033129481456981a3e9d9311e850b384773398d44dbfbee0f47436c5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}