TC4429CPA

{
  "slug": "tc4429cpa",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Gate Drive ICs, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tc4429cpa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tc4429cpa.kicad_sym",
    "tc4429cpa.kicad_mod",
    "tc4429cpa.glb",
    "tc4429cpa.step",
    "tc4429cpa.lbr",
    "docs/hero.png",
    "docs/tc4429cpa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc4429cpa-hero.glb",
    "tc4429cpa-hero.overlay.json",
    "tc4429cpa-etched.glb"
  ],
  "component": {
    "mpn": "TC4429CPA",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4a4966880623469f80947347b2359931.pdf",
    "parts": {
      "symbol": "tc4429cpa.kicad_sym",
      "footprint": "tc4429cpa.kicad_mod",
      "model_3d": "tc4429cpa-hero.glb",
      "model_3d_plain": "tc4429cpa-etched.glb",
      "model_3d_step": "tc4429cpa-etched.step",
      "model_3d_step_plain": "tc4429cpa.step",
      "lbr": "tc4429cpa.lbr"
    },
    "distributor_links": {
      "lcsc": "C640801",
      "digikey": "TC4429CPA-ND",
      "mouser": "579-TC4429CPA"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:01:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC4429CPA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-TC4429CPA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input rated 4.5V to 18V with respect to ground; bypass with a local ceramic capacitor of at least 1.0 µF, and connect both VDD pins (1 and 8)."
      },
      {
        "number": "2",
        "name": "INPUT",
        "type": "input",
        "description": "TTL/CMOS compatible high-impedance control input, VIH min 2.4V, VIL max 0.8V, tolerates -5V to VDD+0.3V; avoid slow edges to prevent double-pulsing."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for bias current and high peak load-discharge currents; tie to a ground plane and connect both GND pins (4 and 5)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for bias current and high peak load-discharge currents; tie to a ground plane and connect both GND pins (4 and 5)."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "output",
        "description": "CMOS push-pull output with 6.0A peak drive, withstands 1.5A reverse current, inverting on TC4429; connect both OUTPUT pins (6 and 7)."
      },
      {
        "number": "7",
        "name": "OUTPUT",
        "type": "output",
        "description": "CMOS push-pull output with 6.0A peak drive, withstands 1.5A reverse current, inverting on TC4429; connect both OUTPUT pins (6 and 7)."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input rated 4.5V to 18V with respect to ground; bypass with a local ceramic capacitor of at least 1.0 µF, and connect both VDD pins (1 and 8)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 22,
        "cost_usd": 0.1427,
        "at": "2026-10-23T09:01:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4a4966880623469f80947347b2359931.pdf",
        "pages": 22,
        "sha256": "1513714315f0665c",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "tc4429cpa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc4429cpa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "31403427176bc80323814f5296fce0748591780eaed88fad8379a2dfa3e664c4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}