L6226D

{
  "schema_version": 1,
  "type": "component",
  "slug": "l6226d",
  "title": "L6226D",
  "brief": "STMicroelectronics Stepper Motor Driver, SOIC-24. 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",
    "l6226d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L6226D",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-24",
    "pin_count": 24,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903387787640832",
    "parts": {
      "symbol": "l6226d.kicad_sym",
      "footprint": "l6226d.kicad_mod",
      "model_3d": "l6226d-hero.glb",
      "model_3d_plain": "l6226d.glb",
      "model_3d_step": "l6226d-etched.step",
      "model_3d_step_plain": "l6226d.step",
      "lbr": "l6226d.lbr"
    },
    "distributor_links": {
      "lcsc": "C2965494",
      "digikey": "497-16159-5-ND",
      "mouser": "511-L6226D"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T16:19:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-16159-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L6226D",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1A",
        "type": "input",
        "description": "Bridge A logic input 1, TTL/CMOS and microcontroller compatible."
      },
      {
        "number": "2",
        "name": "IN2A",
        "type": "input",
        "description": "Bridge A logic input 2, TTL/CMOS and microcontroller compatible."
      },
      {
        "number": "3",
        "name": "SENSEA",
        "type": "power_in",
        "description": "Bridge A source pin, which must be connected to power ground directly or through a sensing power resistor."
      },
      {
        "number": "4",
        "name": "OCDA",
        "type": "output",
        "description": "Bridge A overcurrent detection and thermal protection pin; an internal open-drain transistor pulls to GND on bridge A overcurrent or thermal protection, with a pull-down capability of 4 mA."
      },
      {
        "number": "5",
        "name": "OUT1A",
        "type": "power_out",
        "description": "Bridge A output 1."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; in SO packages these pins are also used for heat dissipation toward the PCB."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; in SO packages these pins are also used for heat dissipation toward the PCB."
      },
      {
        "number": "8",
        "name": "OUT1B",
        "type": "power_out",
        "description": "Bridge B output 1."
      },
      {
        "number": "9",
        "name": "OCDB",
        "type": "output",
        "description": "Bridge B overcurrent detection and thermal protection pin; an internal open-drain transistor pulls to GND on bridge B overcurrent or thermal protection, with a pull-down capability of 4 mA."
      },
      {
        "number": "10",
        "name": "SENSEB",
        "type": "power_in",
        "description": "Bridge B source pin, which must be connected to power ground directly or through a sensing power resistor."
      },
      {
        "number": "11",
        "name": "IN1B",
        "type": "input",
        "description": "Bridge B logic input 1, TTL/CMOS and microcontroller compatible."
      },
      {
        "number": "12",
        "name": "IN2B",
        "type": "input",
        "description": "Bridge B logic input 2, TTL/CMOS and microcontroller compatible."
      },
      {
        "number": "13",
        "name": "PROGCLB",
        "type": "passive",
        "description": "Bridge B overcurrent level programming; a resistor to GND sets the bridge B current limit, direct connection to GND sets the maximum current, and the pin cannot be left non-connected."
      },
      {
        "number": "14",
        "name": "ENB",
        "type": "input",
        "description": "Bridge B enable; a LOW logic level switches OFF all power MOSFETs of bridge B, and if unused it must be connected to +5 V."
      },
      {
        "number": "15",
        "name": "VBOOT",
        "type": "power_in",
        "description": "Bootstrap voltage needed for driving the upper power MOSFETs of both bridge A and bridge B."
      },
      {
        "number": "16",
        "name": "OUT2B",
        "type": "power_out",
        "description": "Bridge B output 2."
      },
      {
        "number": "17",
        "name": "VSB",
        "type": "power_in",
        "description": "Bridge B power supply voltage; it must be connected to the supply voltage together with pin VSA (recommended operating range 8 to 52 V)."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; in SO packages these pins are also used for heat dissipation toward the PCB."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground terminal; in SO packages these pins are also used for heat dissipation toward the PCB."
      },
      {
        "number": "20",
        "name": "VSA",
        "type": "power_in",
        "description": "Bridge A power supply voltage; it must be connected to the supply voltage together with pin VSB (recommended operating range 8 to 52 V)."
      },
      {
        "number": "21",
        "name": "OUT2A",
        "type": "power_out",
        "description": "Bridge A output 2."
      },
      {
        "number": "22",
        "name": "VCP",
        "type": "output",
        "description": "Charge pump oscillator output, a square wave at 600 kHz typical with 10 V amplitude used to build the external bootstrap charge pump."
      },
      {
        "number": "23",
        "name": "ENA",
        "type": "input",
        "description": "Bridge A enable; a LOW logic level switches OFF all power MOSFETs of bridge A, and if unused it must be connected to +5 V."
      },
      {
        "number": "24",
        "name": "PROGCLA",
        "type": "passive",
        "description": "Bridge A overcurrent level programming; a resistor to GND sets the bridge A current limit, direct connection to GND sets the maximum current, and the pin cannot be left non-connected."
      }
    ],
    "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 datasheet calls OCDA/OCDB 'Open drain output'. The KiCad class list here has no open-drain type,; The datasheet lists PROGCLA/PROGCLB as 'R pin', which is not a KiCad class. They are typed as 'passi; The datasheet lists VBOOT as 'Supply voltage', but the pin is a bootstrap node fed by the external c"
        ],
        "pages_sent": 29,
        "cost_usd": 0.0893,
        "at": "2026-10-10T16:19:26"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903387787640832",
        "pages": 29,
        "sha256": "a9a368656949f30e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l6226d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l6226d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "db26744320f7e4be34c8be15bbd1e37cee8dbb12a8d2e6af5ea40a6c91c4c14b",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOIC-24",
      "Category": "Motor Driver ICs",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l6226d"
  ],
  "discovery_pitch": "L6226D (STMicroelectronics) 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",
    "l6226d.kicad_sym",
    "l6226d.kicad_mod",
    "l6226d.glb",
    "l6226d.step",
    "l6226d.lbr",
    "docs/hero.png",
    "docs/l6226d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l6226d-hero.glb",
    "l6226d-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}