STCH03TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stch03tr",
  "title": "STCH03TR",
  "brief": "STMicroelectronics AC-DC Controllers And Regulators, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "stch03tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STCH03TR",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602926314634825728",
    "parts": {
      "symbol": "stch03tr.kicad_sym",
      "footprint": "stch03tr.kicad_mod",
      "model_3d": "stch03tr-hero.glb",
      "model_3d_plain": "stch03tr.glb",
      "model_3d_step": "stch03tr-etched.step",
      "model_3d_step_plain": "stch03tr.step",
      "lbr": "stch03tr.lbr"
    },
    "distributor_links": {
      "lcsc": 2970185,
      "digikey": "497-18077-2-ND",
      "mouser": "511-STCH03TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:35:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18077-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STCH03TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "HV",
        "type": "input",
        "description": "High-voltage start-up input able to withstand 650 V with internal 7 mA current source charging the VDD capacitor at 50 V typ. until VDD reaches 17 V typ. turn-on threshold."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected provision for PCB clearance to meet safety requirements."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Control input for peak current control with burst-mode activation at 65 mV below VFBB threshold and maximum current sense threshold at VFBH level."
      },
      {
        "number": "4",
        "name": "ZCD",
        "type": "input",
        "description": "Transformer demagnetization sensing input for quasi-resonant operation triggered by negative-going edge with maximum sink/source current of 3 mA and no capacitor connection allowed."
      },
      {
        "number": "5",
        "name": "SENSE",
        "type": "input",
        "description": "Current sense input with internal 380 ns blanking time after gate-drive, compared with reference derived from FB pin voltage to determine MOSFET turn-off."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground reference and current return for both signal part and gate-drive."
      },
      {
        "number": "7",
        "name": "GD",
        "type": "output",
        "description": "Gate-driver output with totem pole configuration for external power MOSFET."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input requiring electrolytic capacitor between VDD and GND plus 0.1 μF bypass capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 8,
        "cost_usd": 0.0732,
        "at": "2026-10-03T05:34:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602926314634825728",
        "pages": 27,
        "sha256": "fc41ad1ced0066f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stch03tr"
  ],
  "discovery_pitch": "STCH03TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stch03tr.kicad_sym",
    "stch03tr.kicad_mod",
    "stch03tr.glb",
    "stch03tr.step",
    "stch03tr.lbr",
    "docs/hero.png",
    "docs/stch03tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stch03tr-hero.glb",
    "stch03tr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}