GC8549

{
  "schema_version": 1,
  "type": "component",
  "slug": "gc8549",
  "title": "GC8549",
  "brief": "SX globalchip Stepper Motor Driver, SSOP-10. 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",
    "motor driver ics",
    "gc8549",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GC8549",
    "manufacturer": "SX globalchip",
    "package": "SSOP-10",
    "pin_count": 10,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757890717840613376",
    "parts": {
      "symbol": "gc8549.kicad_sym",
      "footprint": "gc8549.kicad_mod",
      "model_3d": "gc8549-hero.glb",
      "model_3d_plain": "gc8549.glb",
      "model_3d_step": "gc8549-etched.step",
      "model_3d_step_plain": "gc8549.step",
      "lbr": "gc8549.lbr"
    },
    "distributor_links": {
      "lcsc": "C16197216"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:34:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 521 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input with a recommended range of 3.8 V to 12 V and an absolute maximum of 17 V; the bypass capacitor should sit as close to this pin as possible, and above 10 uF when supply voltage or current is high."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Logic enable input: driving it low puts the H-bridge outputs in high-impedance sleep mode (under 1 uA total current), and it has an internal 40-100 kΩ pull-down with logic thresholds of VIL 1.26 V max and VIH 1.48 V min."
      },
      {
        "number": "3",
        "name": "IN1",
        "type": "input",
        "description": "Channel 1 direction/PWM input that, together with EN, sets the OUT1/OUT3 bridge state; it is 3.3 V and 5 V logic compatible and has an internal 40-100 kΩ pull-down."
      },
      {
        "number": "4",
        "name": "IN2",
        "type": "input",
        "description": "Channel 2 direction/PWM input that, together with EN, sets the OUT2/OUT4 bridge state; it is 3.3 V and 5 V logic compatible and has an internal 40-100 kΩ pull-down."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; this pin is left floating on the package."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; the datasheet specifies the H-bridge short-to-ground protection that acts on the outputs but gives no separate ground pin limit."
      },
      {
        "number": "7",
        "name": "OUT4",
        "type": "output",
        "description": "H-bridge output 4 (channel 2 low side/high side driver), rated for up to 1.5 A continuous per channel and 3 A peak limited by overcurrent protection."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "H-bridge output 3 (channel 1 driver), rated for up to 1.5 A continuous per channel and 3 A peak limited by overcurrent protection."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "H-bridge output 2 (channel 2 driver), rated for up to 1.5 A continuous per channel and 3 A peak limited by overcurrent protection."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "H-bridge output 1 (channel 1 driver), rated for up to 1.5 A continuous per channel and 3 A peak limited by overcurrent protection."
      }
    ],
    "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: Pin functions and types come from the page 2 pin table; the voltage thresholds, current limits and p; The datasheet labels the OUT pins only as H-bridge outputs 1-4 and does not state which output is th; The datasheet gives no electrical limit for the GND pin itself; the description only reflects the GN"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0395,
        "at": "2026-10-09T23:31:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757890717840613376",
        "pages": 11,
        "sha256": "fbc6de5f5a149a3b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gc8549.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "67b52412e9c230c40c0bdcb2098b238633f27dfc65692a16abf3448995fbe697",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gc8549-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.1,
          4.9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ea8c88b40ea1add54d3139b9f654c474d872713e728782d5a3e72f9eab005a79",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SX globalchip",
      "Package": "SSOP-10",
      "Category": "Motor Driver ICs",
      "Pins": "10"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gc8549"
  ],
  "discovery_pitch": "GC8549 (SX globalchip) 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",
    "gc8549.kicad_sym",
    "gc8549.kicad_mod",
    "gc8549.glb",
    "gc8549.step",
    "gc8549.lbr",
    "docs/hero.png",
    "docs/gc8549-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gc8549-hero.glb",
    "gc8549-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}