TL494IMT

{
  "slug": "tl494imt",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI 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)",
    "tl494imt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl494imt.kicad_sym",
    "tl494imt.kicad_mod",
    "tl494imt.glb",
    "tl494imt.step",
    "tl494imt.lbr",
    "docs/hero.png",
    "docs/tl494imt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl494imt-hero.glb",
    "tl494imt-hero.overlay.json",
    "tl494imt-etched.glb"
  ],
  "component": {
    "mpn": "TL494IMT",
    "manufacturer": "HGSEMI",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8615629856621146112",
    "parts": {
      "symbol": "tl494imt.kicad_sym",
      "footprint": "tl494imt.kicad_mod",
      "model_3d": "tl494imt-hero.glb",
      "model_3d_plain": "tl494imt-etched.glb",
      "model_3d_step": "tl494imt-etched.step",
      "model_3d_step_plain": "tl494imt.step",
      "lbr": "tl494imt.lbr"
    },
    "distributor_links": {
      "lcsc": "C22396897"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:10:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INPP",
        "type": "input",
        "description": "Non-inverting input of error amplifier 1; input voltage range is -0.3 V to Vcc-2.0 V (common-mode range VICR)."
      },
      {
        "number": "2",
        "name": "INNP",
        "type": "input",
        "description": "Inverting input of error amplifier 1; input voltage range is -0.3 V to Vcc-2.0 V."
      },
      {
        "number": "3",
        "name": "INfc",
        "type": "input",
        "description": "PWM feedback comparison input; feedback current Ifb is rated at 0.3 mA maximum."
      },
      {
        "number": "4",
        "name": "DTC",
        "type": "input",
        "description": "Dead-time control input; input bias current is -2.0 to -10 (printed as 'A', presumed µA) over Vin = 0 V to 5.25 V."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Oscillator frequency timing capacitor; recommended range is 0.00047 to 10 (printed as 'F', presumed µF) with 0.001 typical."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Oscillator frequency timing resistor; recommended range is 1.8 to 500 kΩ with 30 kΩ typical."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the controller."
      },
      {
        "number": "8",
        "name": "C1",
        "type": "output",
        "description": "Collector of output transistor 1; collector voltage limit is 40 V and collector current limit is 200 mA per transistor."
      },
      {
        "number": "9",
        "name": "E1",
        "type": "output",
        "description": "Emitter of output transistor 1; each output transistor is rated for 200 mA maximum collector current."
      },
      {
        "number": "10",
        "name": "E2",
        "type": "output",
        "description": "Emitter of output transistor 2; each output transistor is rated for 200 mA maximum collector current."
      },
      {
        "number": "11",
        "name": "C2",
        "type": "output",
        "description": "Collector of output transistor 2; collector voltage limit is 40 V and collector current limit is 200 mA per transistor."
      },
      {
        "number": "12",
        "name": "Vcc",
        "type": "power_in",
        "description": "Supply voltage; recommended range is 7.0 V to 40 V with 15 V typical."
      },
      {
        "number": "13",
        "name": "OUTcon",
        "type": "input",
        "description": "Output control pin selecting single-ended or push-pull output operation; OUTcon current is 0.2 to 3.5 mA at Voc = Vref."
      },
      {
        "number": "14",
        "name": "Vref",
        "type": "power_out",
        "description": "5 V reference output (4.75 V to 5.25 V); reference load current is 10 mA maximum."
      },
      {
        "number": "15",
        "name": "INPP",
        "type": "input",
        "description": "Inverting input of error amplifier 2 per the function column; the printed symbol is INPP, which conflicts with pin 1's symbol."
      },
      {
        "number": "16",
        "name": "INNP",
        "type": "input",
        "description": "Non-inverting input of error amplifier 2 per the function column; the printed symbol is INNP, which conflicts with pin 2's symbol."
      }
    ],
    "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 pin table on page 2 gives the same symbols to pins 1/15 (INPP) and 2/16 (INNP), while the functi; Unit symbols in the source are garbled (e.g., 'A' for µA on DTC bias current, 'F' for µF on CT). Val; The dead-time threshold row on page 4 is garbled (zero-duty and max-duty threshold values are not cl"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0558,
        "at": "2026-10-18T10:07:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8615629856621146112",
        "pages": 12,
        "sha256": "99e3d620b7c82bbd",
        "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": "tl494imt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl494imt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "829f4b438ebe3fe526040c5c83ea33fdfa742f153d2e1eb906bd13ebb4a97cda",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}