TC4427AEUA

{
  "slug": "tc4427aeua",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Gate Drive ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "tc4427aeua",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "README.md",
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    "tc4427aeua.kicad_mod",
    "tc4427aeua.glb",
    "tc4427aeua.step",
    "tc4427aeua.lbr",
    "docs/hero.png",
    "docs/tc4427aeua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tc4427aeua-hero.glb",
    "tc4427aeua-hero.overlay.json",
    "tc4427aeua-etched.glb"
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  "component": {
    "mpn": "TC4427AEUA",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "Gate Drive ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b1bb95f87e1c4d3da15b0b7bdd20fce8.pdf",
    "parts": {
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      "footprint": "tc4427aeua.kicad_mod",
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      "model_3d_plain": "tc4427aeua-etched.glb",
      "model_3d_step": "tc4427aeua-etched.step",
      "model_3d_step_plain": "tc4427aeua.step",
      "lbr": "tc4427aeua.lbr"
    },
    "distributor_links": {
      "lcsc": "C636887",
      "digikey": "TC4427AEUA-ND",
      "mouser": "579-TC4427AEUA"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:06:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC4427AEUA-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-TC4427AEUA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "2",
        "name": "IN A",
        "type": "input",
        "description": "Driver A input, a high-impedance TTL/CMOS compatible input with 300 mV of hysteresis; ground it if unused."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, return path for the bias current and the high-peak current that discharges the external load capacitance; tie to a ground plane or use a very short trace to the bias supply return."
      },
      {
        "number": "4",
        "name": "IN B",
        "type": "input",
        "description": "Driver B input, a high-impedance TTL/CMOS compatible input with 300 mV of hysteresis; ground it if unused."
      },
      {
        "number": "5",
        "name": "OUT B",
        "type": "output",
        "description": "Driver B output, a low-impedance CMOS push-pull output with equal-strength pull-up and pull-down devices and 1.5A peak output current."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input rated 4.5V to 18V with respect to ground, to be bypassed with local ceramic capacitors sized for the capacitive load."
      },
      {
        "number": "7",
        "name": "OUT A",
        "type": "output",
        "description": "Driver A output, a low-impedance CMOS push-pull output with equal-strength pull-up and pull-down devices and 1.5A peak output current."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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": [
          "extractor flagged: Table 3-1 note says 'Duplicate pins must be connected for proper operation', but the table lists onl; The TC4427A is the non-inverting variant. The datasheet covers TC4426A/27A/28A with one shared pin t"
        ],
        "pages_sent": 26,
        "cost_usd": 0.1493,
        "at": "2026-10-27T01:05:46"
      },
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        "pages": 26,
        "sha256": "914979223ca0c5ae",
        "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"
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        "zmin_mm": -0.0,
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        "checked": "2026-10-27",
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      },
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        "role": "eda",
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}