DRV8426ERGER

{
  "slug": "drv8426erger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8426erger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8426erger.kicad_sym",
    "drv8426erger.kicad_mod",
    "drv8426erger.glb",
    "drv8426erger.step",
    "drv8426erger.lbr",
    "docs/hero.png",
    "docs/drv8426erger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8426erger-hero.glb",
    "drv8426erger-hero.overlay.json"
  ],
  "component": {
    "mpn": "DRV8426ERGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8426e",
    "parts": {
      "symbol": "drv8426erger.kicad_sym",
      "footprint": "drv8426erger.kicad_mod",
      "model_3d": "drv8426erger-hero.glb",
      "model_3d_plain": "drv8426erger.glb",
      "model_3d_step": "drv8426erger-etched.step",
      "model_3d_step_plain": "drv8426erger.step",
      "lbr": "drv8426erger.lbr"
    },
    "distributor_links": {
      "lcsc": "C1518726",
      "digikey": "296-DRV8426ERGERTR-ND",
      "mouser": "595-DRV8426ERGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T03:46:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8426ERGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8426ERGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, recommended 4.5 V to 33 V, bypassed to PGND with a 0.01 µF ceramic capacitor rated VM plus a bulk capacitor rated above VM."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the motor driver; connect to system ground."
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A output 1, connects to motor winding A."
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A output 2, connects to motor winding A."
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B output 2, connects to motor winding B."
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B output 1, connects to motor winding B."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the motor driver; connect to system ground."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, recommended 4.5 V to 33 V, bypassed to PGND with a 0.01 µF ceramic capacitor rated VM plus a bulk capacitor rated above VM."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal 5 V logic regulator output (up to 2 mA load); bypass to GND with a 0.47 µF to 1 µF X7R ceramic capacitor rated 6.3 V or 10 V."
      },
      {
        "number": "11",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator, pulled low during a fault and requiring an external pull-up; open-drain current limited to 10 mA maximum."
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current for bridge B; maximum 3.3 V."
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current for bridge A; maximum 3.3 V."
      },
      {
        "number": "14",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level input setting the PWM off-time: GND gives 7 µs, DVDD gives 16 µs, high-impedance gives 24 µs, and 330 kΩ to GND gives 32 µs."
      },
      {
        "number": "15",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level input setting the decay mode for bridge B (smart-tune dynamic, smart-tune ripple control, mixed decay, or fast decay)."
      },
      {
        "number": "16",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level input setting the decay mode for bridge A (smart-tune dynamic, smart-tune ripple control, mixed decay, or fast decay)."
      },
      {
        "number": "17",
        "name": "BPH",
        "type": "input",
        "description": "Bridge B phase input; logic high drives current from BOUT1 to BOUT2."
      },
      {
        "number": "18",
        "name": "BEN",
        "type": "input",
        "description": "Bridge B enable input; logic high enables bridge B, logic low disables it to high impedance."
      },
      {
        "number": "19",
        "name": "APH",
        "type": "input",
        "description": "Bridge A phase input; logic high drives current from AOUT1 to AOUT2."
      },
      {
        "number": "20",
        "name": "AEN",
        "type": "input",
        "description": "Bridge A enable input; logic high enables bridge A, logic low disables it to high impedance."
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic high enables the device, logic low enters low-power sleep, and a 20 µs to 40 µs low pulse clears faults."
      },
      {
        "number": "22",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "23",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switching node; connect a X7R 0.022 µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "24",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output; connect a X7R 0.22 µF 16 V ceramic capacitor between VCP and VM."
      },
      {
        "number": "25",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad is listed in the pin function table as 'PAD' with no pin number, so it is no; Figure 5-2 (RGE top view) is not in the extracted text. Pin positions were taken from the pin functi; The datasheet labels CPH and CPL as PWR and VCP as O. The mapping to KiCad types (passive for CPH/CP",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 40,
        "cost_usd": 0.1359,
        "at": "2026-10-11T03:46:08"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8426e",
        "pages": 54,
        "sha256": "a28056b73354293f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8426erger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8426erger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cc19ba86f5d6f544c40934cf3aaa860d6584ccb6371f9ded5975f4892509804e",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}