DRV8426EPWPR

{
  "slug": "drv8426epwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Motor Driver ICs, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "drv8426epwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8426epwpr.kicad_sym",
    "drv8426epwpr.kicad_mod",
    "drv8426epwpr.glb",
    "drv8426epwpr.step",
    "drv8426epwpr.lbr",
    "docs/hero.png",
    "docs/drv8426epwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8426epwpr-hero.glb",
    "drv8426epwpr-hero.overlay.json",
    "drv8426epwpr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8426EPWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28-EP",
    "pin_count": 29,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/drv8426epwpr.pdf",
    "parts": {
      "symbol": "drv8426epwpr.kicad_sym",
      "footprint": "drv8426epwpr.kicad_mod",
      "model_3d": "drv8426epwpr-hero.glb",
      "model_3d_plain": "drv8426epwpr-etched.glb",
      "model_3d_step": "drv8426epwpr-etched.step",
      "model_3d_step_plain": "drv8426epwpr.step",
      "lbr": "drv8426epwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2879324",
      "digikey": "296-DRV8426EPWPRTR-ND",
      "mouser": "595-DRV8426EPWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:42:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8426EPWPRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8426EPWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCP",
        "type": "output",
        "description": "Charge pump output; connect to VM through a low-ESR X7R 0.22µF 16V ceramic capacitor."
      },
      {
        "number": "2",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, 4.5 V to 33 V for normal DC operation; bypass to PGND with 0.01µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "3",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect to system ground."
      },
      {
        "number": "4",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "6",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "7",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "8",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "9",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "11",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output connected to the motor winding; continuous phase node voltage limited to -1 V to VM + 1 V."
      },
      {
        "number": "12",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; connect to system ground."
      },
      {
        "number": "13",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, 4.5 V to 33 V for normal DC operation; bypass to PGND with 0.01µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_out",
        "description": "Internal 5 V logic regulator output (nominal, supplies up to 2 mA); bypass to GND with a 0.47µF to 1µF X7R ceramic capacitor rated 6.3 V or 10 V."
      },
      {
        "number": "16",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator, pulled low during a fault; requires an external pull-up and sinks up to 10 mA."
      },
      {
        "number": "17",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B; recommended range 0.05 V to 3.3 V."
      },
      {
        "number": "18",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A; recommended range 0.05 V to 3.3 V."
      },
      {
        "number": "19",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level input that sets the PWM current-chopping off-time to 7, 16, 24 or 32 µs."
      },
      {
        "number": "20",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level input that sets the decay mode of H-bridge B."
      },
      {
        "number": "21",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level input that sets the decay mode of H-bridge A."
      },
      {
        "number": "22",
        "name": "BPH",
        "type": "input",
        "description": "Bridge B phase input; logic high drives current from BOUT1 to BOUT2."
      },
      {
        "number": "23",
        "name": "BEN",
        "type": "input",
        "description": "Bridge B enable input; logic high enables bridge B, logic low disables it to high impedance."
      },
      {
        "number": "24",
        "name": "APH",
        "type": "input",
        "description": "Bridge A phase input; logic high drives current from AOUT1 to AOUT2."
      },
      {
        "number": "25",
        "name": "AEN",
        "type": "input",
        "description": "Bridge A enable input; logic high enables bridge A, logic low disables it to high impedance."
      },
      {
        "number": "26",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic high enables the device, logic low enters low-power sleep, internal pull-down, and a low pulse clears faults."
      },
      {
        "number": "27",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switch node; connect a low-ESR X7R 0.022µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "number": "28",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump switch node; connect a low-ESR X7R 0.022µF ceramic capacitor rated VM between CPH and CPL."
      },
      {
        "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 thermal pad (PAD) is listed in the pin function table without a pin number, so it is not include"
        ],
        "pages_sent": 40,
        "cost_usd": 0.0429,
        "at": "2026-10-28T15:42:14"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/drv8426epwpr.pdf",
        "pages": 54,
        "sha256": "5b89b7592cb06a0c",
        "source_tier": "mfr"
      },
      "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": "drv8426epwpr.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8426epwpr-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4e2da15c3abd3163f9e8826d237ce105df505aa07dff3770deafc611e0a6faa2",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}