UCC3810DW

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  "type": "component",
  "slug": "ucc3810dw",
  "title": "UCC3810DW",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
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  "component": {
    "mpn": "UCC3810DW",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc3810",
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    "distributor_links": {
      "lcsc": "C2865248",
      "digikey": "2156-UCC3810DW-ND",
      "mouser": "595-UCC3810DW"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:03:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-UCC3810DW-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-UCC3810DW",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "SYNC",
        "type": "input",
        "description": "Edge-triggered TTL-threshold logic input that synchronizes the oscillator to an external free-running oscillator and requires a pulse at least 10 ns wide; if unused it may be grounded, left open, or connected to REF."
      },
      {
        "number": "2",
        "name": "CT",
        "type": "output",
        "description": "Oscillator timing capacitor node; the timing capacitor connects directly across CT and GND, with recommended values between 100 pF and 1 nF."
      },
      {
        "number": "3",
        "name": "RT",
        "type": "output",
        "description": "Oscillator timing resistor node regulated to 1 V, setting the charging current at 10 V/RT, with recommended RT values between 10 kΩ and 470 kΩ."
      },
      {
        "number": "4",
        "name": "FB1",
        "type": "input",
        "description": "High-impedance inverting input of error amplifier 1, with FB input voltage of 2.50 V typical (2.44 V to 2.56 V) and input bias current of ±1 µA."
      },
      {
        "number": "5",
        "name": "COMP1",
        "type": "output",
        "description": "Low-impedance output of error amplifier 1, which sets the PWM 1 control level."
      },
      {
        "number": "6",
        "name": "CS1",
        "type": "input",
        "description": "Current-sense input to PWM comparator 1 with leading-edge blanking that disconnects CS from internal circuits for the first 55 ns of each PWM cycle, and a small R-C filter may be needed in noisy applications."
      },
      {
        "number": "7",
        "name": "OUT1",
        "type": "output",
        "description": "High-current push-pull output of PWM 1 intended to drive power MOSFET gates through a small series resistor (10 Ω is typical for most applications)."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the control circuits, which must be electrically connected to PWRGND while avoiding coupling of noise into GND."
      },
      {
        "number": "9",
        "name": "PWRGND",
        "type": "power_in",
        "description": "Power ground for the high-current output stages, which must be electrically connected to GND."
      },
      {
        "number": "10",
        "name": "OUT2",
        "type": "output",
        "description": "High-current push-pull output of PWM 2 intended to drive power MOSFET gates through a small series resistor that limits current and damps ringing."
      },
      {
        "number": "11",
        "name": "CS2",
        "type": "input",
        "description": "Current-sense input to PWM comparator 2 with leading-edge blanking of the first 55 ns of each PWM cycle, and a small R-C filter may be needed in noisy applications."
      },
      {
        "number": "12",
        "name": "COMP2",
        "type": "output",
        "description": "Low-impedance output of error amplifier 2, which sets the PWM 2 control level."
      },
      {
        "number": "13",
        "name": "FB2",
        "type": "input",
        "description": "High-impedance inverting input of error amplifier 2, with FB input voltage of 2.50 V typical (2.44 V to 2.56 V) and input bias current of ±1 µA."
      },
      {
        "number": "14",
        "name": "ENABLE2",
        "type": "input",
        "description": "Logic input that disables PWM 2 when low, with no effect on PWM 1; it is internally pulled high, has TTL-compatible thresholds, and may be left floating."
      },
      {
        "number": "15",
        "name": "REF",
        "type": "output",
        "description": "5-V reference output that should be bypassed to GND with a ceramic capacitor of at least 0.01 µF for best performance, with output of 4.85 V to 5.10 V over the full temperature range and up to 5 mA load."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Power input supplying all functions including the output stages and precision reference, to be bypassed to PWRGND with a 0.1-µF ceramic capacitor; the absolute maximum is 11 V with supply current limited to 20 mA."
      }
    ],
    "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's DW (SOIC) package outline and terminal table are not shown as a DW-specific top view; The datasheet labels CT, RT and REF as 'O' (output), but CT and RT are oscillator timing nodes and R; The datasheet lists the ordering information for UCC3810DW as 0 to 70°C and the same DW package, so "
        ],
        "pages_sent": 20,
        "cost_usd": 0.0796,
        "at": "2026-10-12T10:02:52"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3810",
        "pages": 20,
        "sha256": "b7a04f61c8240c01",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-12",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16-300mil",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    }
  },
  "variants": [],
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  "discovery_pitch": "UCC3810DW (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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