DRV8426PPWPR

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8426ppwpr",
  "title": "DRV8426PPWPR",
  "brief": "Texas Instruments Stepper Motor Driver, HTSSOP-28. 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",
    "drv8426ppwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8426PPWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28",
    "pin_count": 29,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8426e",
    "parts": {
      "symbol": "drv8426ppwpr.kicad_sym",
      "footprint": "drv8426ppwpr.kicad_mod",
      "model_3d": "drv8426ppwpr-hero.glb",
      "model_3d_plain": "drv8426ppwpr.glb",
      "model_3d_step": "drv8426ppwpr-etched.step",
      "model_3d_step_plain": "drv8426ppwpr.step",
      "lbr": "drv8426ppwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868246",
      "digikey": "296-DRV8426PPWPRTR-ND",
      "mouser": "595-DRV8426PPWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:29:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8426PPWPRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8426PPWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCP",
        "type": "output",
        "description": "Charge-pump output that must be bypassed to VM with a 0.22 µF, 16 V X7R ceramic capacitor."
      },
      {
        "number": "2",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply pin, specified for 4.5 V to 33 V operation with absolute maximum 35 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the motor driver output stage, to be connected to system ground."
      },
      {
        "number": "4",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "6",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "7",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "8",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "9",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "11",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output connected to the motor coil; continuous node voltage is limited to -1 V to VM + 1 V (100 ns transient -3 V to VM + 3 V)."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the motor driver output stage, to be connected to system ground."
      },
      {
        "number": "13",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply pin, specified for 4.5 V to 33 V operation with absolute maximum 35 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground, to be connected to system ground."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal 5 V logic regulator output (4.75 V to 5.25 V with no external load) that can supply up to 2 mA and must be bypassed to GND with a 0.47 µF to 1 µF, 6.3 V or 10 V X7R capacitor."
      },
      {
        "number": "16",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator that is pulled low during a fault and requires an external pull-up to 5 V, 3.3 V or 1.8 V (sink current limit 10 mA)."
      },
      {
        "number": "17",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B (I_TRIP = VREF / 2.2 V/A), with a maximum of 3.3 V."
      },
      {
        "number": "18",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A (I_TRIP = VREF / 2.2 V/A), with a maximum of 3.3 V."
      },
      {
        "number": "19",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level input that sets the PWM off-time (0 = 7 µs, 1 = 16 µs, Hi-Z = 24 µs, 330 kΩ to GND = 32 µs) and the ripple current in smart-tune ripple control mode."
      },
      {
        "number": "20",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level input that sets the decay mode for H-bridge B (0 = smart-tune dynamic decay, 1 = smart-tune ripple control, Hi-Z = mixed decay, 330 kΩ to GND = fast decay)."
      },
      {
        "number": "21",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level input that sets the decay mode for H-bridge A (0 = smart-tune dynamic decay, 1 = smart-tune ripple control, Hi-Z = mixed decay, 330 kΩ to GND = fast decay)."
      },
      {
        "number": "22",
        "name": "BIN2",
        "type": "input",
        "description": "PWM input for H-bridge B that controls the bridge state, with an internal pull-down; logic inputs accept 0 to 5.5 V."
      },
      {
        "number": "23",
        "name": "BIN1",
        "type": "input",
        "description": "PWM input for H-bridge B that controls the bridge state, with an internal pull-down; logic inputs accept 0 to 5.5 V."
      },
      {
        "number": "24",
        "name": "AIN2",
        "type": "input",
        "description": "PWM input for H-bridge A that controls the bridge state, with an internal pull-down; logic inputs accept 0 to 5.5 V."
      },
      {
        "number": "25",
        "name": "AIN1",
        "type": "input",
        "description": "PWM input for H-bridge A that controls the bridge state, with an internal pull-down; logic inputs accept 0 to 5.5 V."
      },
      {
        "number": "26",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep-mode input where logic high enables the device and logic low enters low-power sleep (internal pull-down); a low pulse of 20 µs to 40 µs clears faults and nSLEEP must not be tied to DVDD."
      },
      {
        "number": "27",
        "name": "CPL",
        "type": "passive",
        "description": "Charge-pump negative switch node, connected to CPH through a 0.022 µF X7R capacitor rated for VM."
      },
      {
        "number": "28",
        "name": "CPH",
        "type": "passive",
        "description": "Charge-pump switch node, connected to CPL through a 0.022 µF X7R capacitor rated for VM."
      },
      {
        "number": "29",
        "name": "EP",
        "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 datasheet's pin-function table lists no pin number for the exposed thermal pad (PAD, 'connect to; The source is the Simplified Chinese translation (ZHCSMO0B). The pin table and ratings were taken fr; Type choices that differ from the datasheet's generic 'PWR' label: DVDD is typed power_out because i",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 40,
        "cost_usd": 0.1484,
        "at": "2026-10-08T23:28:55"
      },
      "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": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8426ppwpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8426ppwpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b7dd6ed053840b964f3ebbed1ba0250299bad0506d651e05858608371c82f7e8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-28",
      "Category": "Motor Driver ICs",
      "Pins": "29"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "drv8426ppwpr"
  ],
  "discovery_pitch": "DRV8426PPWPR (Texas Instruments) 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",
    "drv8426ppwpr.kicad_sym",
    "drv8426ppwpr.kicad_mod",
    "drv8426ppwpr.glb",
    "drv8426ppwpr.step",
    "drv8426ppwpr.lbr",
    "docs/hero.png",
    "docs/drv8426ppwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8426ppwpr-hero.glb",
    "drv8426ppwpr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}