TC4427 Dual MOSFET Driver

{
  "schema_version": 1,
  "type": "component",
  "slug": "tc4427",
  "title": "TC4427 Dual MOSFET Driver",
  "brief": "Dual 1.5 A high-speed non-inverting MOSFET gate driver.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "gate-driver",
    "mosfet-driver",
    "dual",
    "non-inverting",
    "microchip",
    "soic-8"
  ],
  "component": {
    "mpn": "TC4427",
    "manufacturer": "Microchip",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Driver",
    "subcategory": "Gate Driver",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/20001422G.pdf",
    "parts": {
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      "lbr": "tc4427.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a convenient net."
      },
      {
        "number": "2",
        "name": "IN_A",
        "type": "input",
        "description": "Non-inverting logic input for channel A driver. VIH ≥ 2.4V, VIL ≤ 0.8V, IIN ±1 µA typical; withstands negative inputs down to VDD+0.3V / (GND-5V). Ground any unused driver input."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Common return for logic and the high-current MOSFET output stage; requires a low-inductance path to the source of the driven power MOSFET."
      },
      {
        "number": "4",
        "name": "IN_B",
        "type": "input",
        "description": "Non-inverting logic input for channel B driver. Same electrical characteristics as IN A (VIH ≥ 2.4V, VIL ≤ 0.8V). Ground if unused."
      },
      {
        "number": "5",
        "name": "OUT_B",
        "type": "output",
        "description": "Non-inverting high-current gate-drive output for channel B. 1.5A peak, ~7Ω output impedance, VOH ≈ VDD-0.025V, VOL ≈ 0.025V. Sources/sinks gate charge to switch a power MOSFET."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 4.5V to 18V (22V absolute max). Bypass locally with a low-ESR capacitor sized for the gate charge being switched, since peak output current is 1.5A."
      },
      {
        "number": "7",
        "name": "OUT_A",
        "type": "output",
        "description": "Non-inverting high-current gate-drive output for channel A. 1.5A peak, ~7Ω output impedance, VOH ≈ VDD-0.025V, VOL ≈ 0.025V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a convenient net."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/20001422G.pdf",
        "pages": 28,
        "sha256": "4704cae2316fdff9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "logic": {
      "family_id": "CD4427",
      "logic_family": "CD4000",
      "function_code": "4427",
      "function_class": null,
      "function_name": null,
      "manufacturer": "Toshiba",
      "is_specialty": false
    },
    "models_3d": [
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        "file": "tc4427.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Dual non-inverting MOSFET gate driver",
      "Peak output current": "1.5 A source/sink",
      "Supply voltage": "4.5 V to 18 V",
      "Rise/fall time": "<30 ns into 1000 pF",
      "Propagation delay": "30 ns typ",
      "Operating temperature": "-40 C to 85 C"
    }
  },
  "sections": [
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    "viewers",
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    "breadcrumbs",
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  "discovery_triggers": [
    "MOSFET gate driver",
    "drive a power MOSFET",
    "fast gate charge",
    "half-bridge driver"
  ],
  "discovery_pitch": "Two 1.5 A drivers that charge and discharge power-MOSFET gates in tens of nanoseconds from a logic input.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "variants": [
    {
      "mpn": "TC4427OA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427EOA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427VOA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427CPA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427EPA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427VPA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427CUA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427EUA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427VUA",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427CMF",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427EMF",
      "kind": "unknown"
    },
    {
      "mpn": "TC4427VMF",
      "kind": "unknown"
    }
  ]
}