TC4427VOA

{
  "slug": "tc4427voa",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Gate Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "tc4427voa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tc4427voa.kicad_sym",
    "tc4427voa.kicad_mod",
    "tc4427voa.glb",
    "tc4427voa.step",
    "tc4427voa.lbr",
    "docs/hero.png",
    "docs/tc4427voa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc4427voa-hero.glb",
    "tc4427voa-hero.overlay.json",
    "tc4427voa-etched.glb"
  ],
  "component": {
    "mpn": "TC4427VOA",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Gate Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589805402222059520",
    "parts": {
      "symbol": "tc4427voa.kicad_sym",
      "footprint": "tc4427voa.kicad_mod",
      "model_3d": "tc4427voa-hero.glb",
      "model_3d_plain": "tc4427voa-etched.glb",
      "model_3d_step": "tc4427voa-etched.step",
      "model_3d_step_plain": "tc4427voa.step",
      "lbr": "tc4427voa.lbr"
    },
    "distributor_links": {
      "lcsc": "C636893",
      "mouser": "579-TC4427VOA"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:55:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": "579-TC4427VOA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; this pin is not used on the 8-pin PDIP/MSOP/SOIC package."
      },
      {
        "number": "2",
        "name": "IN A",
        "type": "input",
        "description": "MOSFET driver input A is a high-impedance TTL/CMOS compatible input with 300 mV hysteresis, with a logic-high minimum of 2.4 V and logic-low maximum of 0.8 V, and it withstands negative inputs down to GND - 5 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device return pin that should have a low-impedance connection to the bias supply source return, since high peak current flows out of this pin when the capacitive load is discharged."
      },
      {
        "number": "4",
        "name": "IN B",
        "type": "input",
        "description": "MOSFET driver input B is a high-impedance TTL/CMOS compatible input with 300 mV hysteresis, with a logic-high minimum of 2.4 V and logic-low maximum of 0.8 V, and it withstands negative inputs down to GND - 5 V."
      },
      {
        "number": "5",
        "name": "OUT B",
        "type": "output",
        "description": "MOSFET driver output B is a low-impedance CMOS push-pull output with pull-up and pull-down devices of equal strength, giving matched rise and fall times, and it rated for 1.5 A peak output current."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Bias supply input for the MOSFET driver, rated for 4.5 V to 18 V with respect to GND, and it should be bypassed with local ceramic capacitors (1.0 µF suggested)."
      },
      {
        "number": "7",
        "name": "OUT A",
        "type": "output",
        "description": "MOSFET driver output A is a low-impedance CMOS push-pull output with pull-up and pull-down devices of equal strength, giving matched rise and fall times, and it rated for 1.5 A peak output current."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; this pin is not used on the 8-pin PDIP/MSOP/SOIC package."
      }
    ],
    "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 ordering code TC4426VOA is not written out in the datasheet examples. It follows the product ide; The pinout is shared by the 8-pin PDIP, MSOP and SOIC packages (Table 3-1, page 9). It is not specif; The PDIP/MSOP/SOIC pin mapping is printed in Table 3-1 with a footnote that duplicate pins must be c"
        ],
        "pages_sent": 28,
        "cost_usd": 0.077,
        "at": "2026-10-18T15:55:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589805402222059520",
        "pages": 28,
        "sha256": "92aa2e8a1bda9e95",
        "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"
    },
    "models_3d": [
      {
        "file": "tc4427voa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tc4427voa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e2fab59c46620d3625363c463b7e92c4d5eea46217c33316d4b47d31653abd46",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}