DRV8434PRGER

{
  "slug": "drv8434prger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8434prger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8434prger.kicad_sym",
    "drv8434prger.kicad_mod",
    "drv8434prger.glb",
    "drv8434prger.step",
    "drv8434prger.lbr",
    "docs/hero.png",
    "docs/drv8434prger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8434prger-hero.glb",
    "drv8434prger-hero.overlay.json",
    "drv8434prger-etched.glb"
  ],
  "component": {
    "mpn": "DRV8434PRGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8434e",
    "parts": {
      "symbol": "drv8434prger.kicad_sym",
      "footprint": "drv8434prger.kicad_mod",
      "model_3d": "drv8434prger-hero.glb",
      "model_3d_plain": "drv8434prger-etched.glb",
      "model_3d_step": "drv8434prger-etched.step",
      "model_3d_step_plain": "drv8434prger.step",
      "lbr": "drv8434prger.lbr"
    },
    "distributor_links": {
      "lcsc": "C2911596",
      "digikey": "296-DRV8434PRGERTR-ND",
      "mouser": "595-DRV8434PRGER"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T22:10:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8434PRGERTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8434PRGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, operating range 4.5 V to 48 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, to be connected to system ground."
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "Winding A output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "Winding A output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "Winding B output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "Winding B output, connected to the motor winding; absolute maximum continuous node voltage −1 V to VM + 1 V."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, to be connected to system ground."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply voltage input, operating range 4.5 V to 48 V, bypassed to PGND with 0.01 µF ceramic capacitors and a bulk capacitor rated for VM."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground, to be connected to system ground."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_out",
        "description": "Logic supply regulator output, nominal 5 V, supplying up to 2 mA; 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, driven low during a fault and requires an external pull-up resistor; absolute maximum sink current 10 mA."
      },
      {
        "number": "12",
        "name": "VREFB",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B; recommended VREF range 0.05 V to 3.3 V."
      },
      {
        "number": "13",
        "name": "VREFA",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A; recommended VREF range 0.05 V to 3.3 V."
      },
      {
        "number": "14",
        "name": "TOFF",
        "type": "input",
        "description": "Four-level pin that sets the PWM current-chopping off time to 7, 16, 24 or 32 µs."
      },
      {
        "number": "15",
        "name": "BDECAY",
        "type": "input",
        "description": "Four-level pin that sets the decay mode of H-bridge B."
      },
      {
        "number": "16",
        "name": "ADECAY",
        "type": "input",
        "description": "Four-level pin that sets the decay mode of H-bridge A."
      },
      {
        "number": "17",
        "name": "BIN2",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "18",
        "name": "BIN1",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "19",
        "name": "AIN2",
        "type": "input",
        "description": "Bridge B PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "20",
        "name": "AIN1",
        "type": "input",
        "description": "Bridge A PWM input that controls the H-bridge state; internal pull-down."
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input: logic high enables the device, logic low enters low-power sleep; internal pull-down; a low pulse of 20 µs to 40 µs 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": "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 DRV8434P VQFN-24 (RGE) pinout has no APH, AEN, BPH or BEN pins; the datasheet marks these as '—'"
        ],
        "pages_sent": 36,
        "cost_usd": 0.0416,
        "at": "2026-11-05T22:10:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8434e",
        "pages": 49,
        "sha256": "2fcf23c37e777f4b",
        "source_tier": "mfr"
      },
      "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": "drv8434prger.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8434prger-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": "2b07d8acb1b43ec43455cd9db665b2bc08e4e34c8f7380f5b098f74146c2bf0e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}