DRV8824PWPR

{
  "slug": "drv8824pwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, HTSSOP-28. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8824pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8824pwpr.kicad_sym",
    "drv8824pwpr.kicad_mod",
    "drv8824pwpr.glb",
    "drv8824pwpr.step",
    "drv8824pwpr.lbr",
    "docs/hero.png",
    "docs/drv8824pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DRV8824PWPR",
    "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/drv8824",
    "parts": {
      "symbol": "drv8824pwpr.kicad_sym",
      "footprint": "drv8824pwpr.kicad_mod",
      "model_3d": "drv8824pwpr-etched.glb",
      "model_3d_plain": "drv8824pwpr.glb",
      "model_3d_step": "drv8824pwpr-etched.step",
      "model_3d_step_plain": "drv8824pwpr.step",
      "lbr": "drv8824pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C86252"
    },
    "pins": [
      {
        "number": "1",
        "name": "CP1",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor; connect 0.01-µF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "2",
        "name": "CP2",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor; connect 0.01-µF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "3",
        "name": "VCP",
        "type": "bidirectional",
        "description": "High-side gate drive voltage; connect 0.1-µF 16-V ceramic capacitor."
      },
      {
        "number": "4",
        "name": "VMA",
        "type": "power_in",
        "description": "Bridge A motor power supply (8.2 to 45 V); bypass with 0.1-µF capacitor and bulk capacitance."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A motor output 1; connect to stepper motor winding A."
      },
      {
        "number": "6",
        "name": "ISENA",
        "type": "bidirectional",
        "description": "Bridge A current sense node; connect current sense resistor to measure winding A current."
      },
      {
        "number": "7",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A motor output 2; positive current flows AOUT1 to AOUT2."
      },
      {
        "number": "8",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B motor output 2; positive current flows BOUT1 to BOUT2."
      },
      {
        "number": "9",
        "name": "ISENB",
        "type": "bidirectional",
        "description": "Bridge B current sense node; connect current sense resistor to measure winding B current."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B motor output 1; connect to stepper motor winding B."
      },
      {
        "number": "11",
        "name": "VMB",
        "type": "power_in",
        "description": "Bridge B motor power supply (8.2 to 45 V); bypass with 0.1-µF capacitor and bulk capacitance."
      },
      {
        "number": "12",
        "name": "AVREF",
        "type": "input",
        "description": "Bridge A current set reference input (1 to 3.5 V); voltage source sets winding A current magnitude."
      },
      {
        "number": "13",
        "name": "BVREF",
        "type": "input",
        "description": "Bridge B current set reference input (1 to 3.5 V); voltage source sets winding B current magnitude."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground plane."
      },
      {
        "number": "15",
        "name": "V3P3OUT",
        "type": "power_out",
        "description": "3.3-V internal regulator output (3.18 to 3.42 V at 25°C); bypass with 0.47-µF capacitor."
      },
      {
        "number": "16",
        "name": "nRESET",
        "type": "input",
        "description": "Active-low reset input; initializes step indexer and disables H-bridge driver outputs."
      },
      {
        "number": "17",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode control input; low enables sleep mode, high enables normal operation."
      },
      {
        "number": "18",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain active-low fault output; driven low for overtemperature or overcurrent faults."
      },
      {
        "number": "19",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode selector input; low = slow decay, open = mixed decay, high = fast decay."
      },
      {
        "number": "20",
        "name": "DIR",
        "type": "input",
        "description": "Direction input; determines motor step direction (forward or reverse)."
      },
      {
        "number": "21",
        "name": "nENBL",
        "type": "input",
        "description": "Active-low enable input; disables outputs and ignores STEP when driven high."
      },
      {
        "number": "22",
        "name": "STEP",
        "type": "input",
        "description": "Step input; rising edge advances indexer one step in current mode."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave this pin unconnected."
      },
      {
        "number": "24",
        "name": "MODE0",
        "type": "input",
        "description": "Microstep mode input 0; MODE0-2 select full, 1/2, 1/4, 1/8, 1/16, or 1/32 steps."
      },
      {
        "number": "25",
        "name": "MODE1",
        "type": "input",
        "description": "Microstep mode input 1; MODE0-2 select full, 1/2, 1/4, 1/8, 1/16, or 1/32 steps."
      },
      {
        "number": "26",
        "name": "MODE2",
        "type": "input",
        "description": "Microstep mode input 2; MODE0-2 select full, 1/2, 1/4, 1/8, 1/16, or 1/32 steps."
      },
      {
        "number": "27",
        "name": "nHOME",
        "type": "output",
        "description": "Open-drain active-low home status output; driven low when indexer at home position."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground plane."
      },
      {
        "number": "29",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 38,
        "cost_usd": 0.4248,
        "at": "2026-09-21T21:32:50"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8824",
        "pages": 38,
        "sha256": "9e017d4c2fe860a9",
        "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": "drv8824pwpr.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8824pwpr-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": "4f5a7086e860de61898c72f8e27110f0cc45da9a1211f402b0fa6ea0639cb8c7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}