TL1451ACPWR

{
  "slug": "tl1451acpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl1451acpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tl1451acpwr.kicad_sym",
    "tl1451acpwr.kicad_mod",
    "tl1451acpwr.glb",
    "tl1451acpwr.step",
    "tl1451acpwr.lbr",
    "docs/hero.png",
    "docs/tl1451acpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl1451acpwr-hero.glb",
    "tl1451acpwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL1451ACPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl1451a",
    "parts": {
      "symbol": "tl1451acpwr.kicad_sym",
      "footprint": "tl1451acpwr.kicad_mod",
      "model_3d": "tl1451acpwr-hero.glb",
      "model_3d_plain": "tl1451acpwr.glb",
      "model_3d_step": "tl1451acpwr-etched.step",
      "model_3d_step_plain": "tl1451acpwr.step",
      "lbr": "tl1451acpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2657949",
      "digikey": "296-10135-2-ND",
      "mouser": "595-TL1451ACPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:34:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-10135-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL1451ACPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor terminal for the on-chip adjustable oscillator, used together with RT."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor terminal for the on-chip adjustable oscillator, used together with 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": "passive",
        "description": "Feedback/compensation node of error amplifier 1 in controller channel 1."
      },
      {
        "number": "6",
        "name": "1DTC",
        "type": "input",
        "description": "Dead-time control input of the channel 1 comparator, which has no offset unless externally altered and 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 the channel 2 comparator, which has no offset unless externally altered and can set 0% to 100% dead time."
      },
      {
        "number": "12",
        "name": "2FEEDBACK",
        "type": "passive",
        "description": "Feedback/compensation node of error amplifier 2 in controller channel 2."
      },
      {
        "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 pin for the internal short-circuit protection function."
      },
      {
        "number": "16",
        "name": "REF",
        "type": "power_out",
        "description": "Output of the internal regulator providing a stable 2.5-V reference supply."
      }
    ],
    "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: Pin numbers and names were reconstructed from a garbled text extraction of the PW/D/N/NS top-view dr; Pin types for CT, RT, and the FEEDBACK pins are inferred as passive because the excerpt does not sta; The SCP pin's function and electrical limits are not described in the excerpt; only the presence of "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0511,
        "at": "2026-10-11T07:34:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl1451a",
        "pages": 38,
        "sha256": "2ff4a14b96f1efec",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
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        "sha256": "b1137ff812e673493ee888fc78a4e6e1fa1e8a4608c9f8301dccdfe20fb6603d",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}