TL1451ACDR

{
  "slug": "tl1451acdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management (pmic)",
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  "component": {
    "mpn": "TL1451ACDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl1451a",
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    "distributor_links": {
      "lcsc": "C2658490",
      "digikey": "296-TL1451ACDRTR-ND",
      "mouser": "595-TL1451ACDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:50:01Z",
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      "digikey": {
        "pn": "296-TL1451ACDRTR-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-TL1451ACDR",
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    "pins": [
      {
        "number": "1",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor terminal for the on-chip adjustable oscillator, which runs at 500 kHz maximum."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor terminal for the on-chip adjustable oscillator, which is set by terminating RT and CT."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting input of error amplifier 1, with a common-mode voltage range of 1.04 V to 1.45 V."
      },
      {
        "number": "4",
        "name": "1IN–",
        "type": "input",
        "description": "Inverting input of error amplifier 1, with a common-mode voltage range of 1.04 V to 1.45 V."
      },
      {
        "number": "5",
        "name": "1FEEDBACK",
        "type": "output",
        "description": "Feedback terminal of error amplifier 1 for PWM control loop compensation."
      },
      {
        "number": "6",
        "name": "1DTC",
        "type": "input",
        "description": "Dead-time control input of comparator 1, which can set 0% to 100% dead time."
      },
      {
        "number": "7",
        "name": "1OUT",
        "type": "output",
        "description": "Uncommitted common-emitter output transistor of controller 1."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input; undervoltage lockout keeps the outputs off until the internal circuitry is operational."
      },
      {
        "number": "10",
        "name": "2OUT",
        "type": "output",
        "description": "Uncommitted common-emitter output transistor of controller 2."
      },
      {
        "number": "11",
        "name": "2DTC",
        "type": "input",
        "description": "Dead-time control input of comparator 2, which can set 0% to 100% dead time."
      },
      {
        "number": "12",
        "name": "2FEEDBACK",
        "type": "output",
        "description": "Feedback terminal of error amplifier 2 for PWM control loop compensation."
      },
      {
        "number": "13",
        "name": "2IN–",
        "type": "input",
        "description": "Inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V."
      },
      {
        "number": "14",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting input of error amplifier 2, with a common-mode voltage range of 1.04 V to 1.45 V."
      },
      {
        "number": "15",
        "name": "SCP",
        "type": "passive",
        "description": "Short-circuit protection terminal for the internal short-circuit protection circuit."
      },
      {
        "number": "16",
        "name": "REF",
        "type": "power_out",
        "description": "Output of the internal regulator providing a stable 2.5-V reference supply."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-08T15:49:41"
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        "url": "https://www.ti.com/cn/lit/gpn/tl1451a",
        "pages": 38,
        "sha256": "2ff4a14b96f1efec",
        "source_tier": "lcsc"
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      "pins": {
        "total": 16,
        "described": 16,
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}