PT5634A

{
  "slug": "pt5634a",
  "version": "0.1.0",
  "type": "component",
  "description": "PTC(Princeton Tech) AC-DC Controllers And Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management (pmic)",
    "pt5634a",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "pt5634a.lbr",
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    "docs/pt5634a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "PT5634A",
    "manufacturer": "PTC(Princeton Tech)",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d2f498d1e54ad3b8a9a6acf19367face.pdf",
    "parts": {
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      "footprint": "pt5634a.kicad_mod",
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      "model_3d_step": "pt5634a-etched.step",
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      "lbr": "pt5634a.lbr"
    },
    "distributor_links": {
      "lcsc": "C3041114"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T05:03:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INV",
        "type": "input",
        "description": "Error amplifier inverting input that senses the PFC output voltage through a divider, with a 2.5V reference; pulling it below 0.2V latches the IC and turns off GD."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output that forms an integrator with INV; the output clamps the multiplier and latches GD above 27μA of COMP current in overvoltage protection."
      },
      {
        "number": "3",
        "name": "MULT",
        "type": "input",
        "description": "Multiplier input that senses the rectified mains voltage through an external divider, with a specified input range of 0 to 2.5V (recommended 0 to 3.5V)."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense input that resets GD when its voltage exceeds the multiplier output, with a per-cycle current limit threshold of 1.08V typical and 200ns typical leading-edge blanking."
      },
      {
        "number": "5",
        "name": "ZCD",
        "type": "input",
        "description": "Zero-current detection input that sets GD when the inductor current falls to zero, with a falling threshold of 0.7V typical and an absolute maximum input voltage of 7.5V."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "System ground; all voltages in the datasheet are referenced to this pin."
      },
      {
        "number": "7",
        "name": "GD",
        "type": "output",
        "description": "Gate driver output for the power MOSFET, with a clamp of 13.5V typical at VCC=20V and a maximum output current of 400mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "IC supply that turns on at 12.5V and turns off at 10V under-voltage lockout, with an internal clamp of 25V typical and a recommended operating range of 14V to 22V."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.0006,
        "at": "2026-10-27T05:03:37"
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      "datasheet": {
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        "pages": 10,
        "sha256": "381f22ed300179e4",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "checked": "2026-10-27",
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}