DRV8824RHDR

{
  "slug": "drv8824rhdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Motor Driver ICs, VQFN-28-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "drv8824rhdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8824rhdr.kicad_sym",
    "drv8824rhdr.kicad_mod",
    "drv8824rhdr.glb",
    "drv8824rhdr.step",
    "drv8824rhdr.lbr",
    "docs/hero.png",
    "docs/drv8824rhdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8824rhdr-hero.glb",
    "drv8824rhdr-hero.overlay.json",
    "drv8824rhdr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8824RHDR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-28-EP(5x5)",
    "pin_count": 29,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/drv8824rh.pdf",
    "parts": {
      "symbol": "drv8824rhdr.kicad_sym",
      "footprint": "drv8824rhdr.kicad_mod",
      "model_3d": "drv8824rhdr-hero.glb",
      "model_3d_plain": "drv8824rhdr-etched.glb",
      "model_3d_step": "drv8824rhdr-etched.step",
      "model_3d_step_plain": "drv8824rhdr.step",
      "lbr": "drv8824rhdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C701797",
      "digikey": "DRV8824RHDR-ND",
      "mouser": "595-DRV8824RHDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T12:43:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DRV8824RHDR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-DRV8824RHDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MODE2",
        "type": "input",
        "description": "Microstep mode 2 input; MODE0 through MODE2 set full, 1/2, 1/4, 1/8, 1/16 or 1/32 step, with internal pulldown."
      },
      {
        "number": "2",
        "name": "nHOME",
        "type": "output",
        "description": "Open-drain home position output that is logic low when at the home state of the step table."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "4",
        "name": "CP1",
        "type": "passive",
        "description": "Charge pump flying capacitor pin; connect a 0.01-µF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "5",
        "name": "CP2",
        "type": "passive",
        "description": "Charge pump flying capacitor pin; connect a 0.01-µF 50-V capacitor between CP1 and CP2."
      },
      {
        "number": "6",
        "name": "VCP",
        "type": "passive",
        "description": "High-side gate drive voltage; connect a 0.1-µF 16-V ceramic capacitor, and optionally a 1-MΩ resistor to VM to accelerate discharge of the VCP capacitor."
      },
      {
        "number": "7",
        "name": "VMA",
        "type": "power_in",
        "description": "Bridge A power supply; connect to motor supply (8.2 to 45 V), same supply as VMB, bypassed with a 0.1-µF capacitor to GND plus bulk capacitance."
      },
      {
        "number": "8",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A output 1; connect to bipolar stepper motor winding A."
      },
      {
        "number": "9",
        "name": "ISENA",
        "type": "passive",
        "description": "Bridge A ground / Isense; connect to current sense resistor for bridge A."
      },
      {
        "number": "10",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A output 2; positive current is AOUT1 to AOUT2."
      },
      {
        "number": "11",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B output 2; positive current is BOUT1 to BOUT2."
      },
      {
        "number": "12",
        "name": "ISENB",
        "type": "passive",
        "description": "Bridge B ground / Isense; connect to current sense resistor for bridge B."
      },
      {
        "number": "13",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B output 1; connect to bipolar stepper motor winding B."
      },
      {
        "number": "14",
        "name": "VMB",
        "type": "power_in",
        "description": "Bridge B power supply; connect to motor supply (8.2 to 45 V), same supply as VMA, bypassed with a 0.1-µF capacitor to GND plus bulk capacitance."
      },
      {
        "number": "15",
        "name": "AVREF",
        "type": "input",
        "description": "Bridge A current set reference input; normally tied to the same voltage as BVREF and can be connected to V3P3OUT."
      },
      {
        "number": "16",
        "name": "BVREF",
        "type": "input",
        "description": "Bridge B current set reference input; normally tied to the same voltage as AVREF and can be connected to V3P3OUT."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "18",
        "name": "V3P3OUT",
        "type": "power_out",
        "description": "3.3-V regulator output; bypass to GND with a 0.47-µF 6.3-V ceramic capacitor, can supply VREF, max load 1 mA."
      },
      {
        "number": "19",
        "name": "nRESET",
        "type": "input",
        "description": "Active-low reset input that initializes the indexer logic and disables the H-bridge outputs, with internal pulldown."
      },
      {
        "number": "20",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic high enables the device, logic low enters low-power sleep mode, with internal pulldown."
      },
      {
        "number": "21",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault output that is logic low in a fault condition (overtemperature, overcurrent)."
      },
      {
        "number": "22",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode input: low = slow decay, open = mixed decay, high = fast decay, with internal pulldown and pullup."
      },
      {
        "number": "23",
        "name": "DIR",
        "type": "input",
        "description": "Direction input whose level sets the direction of stepping, with internal pulldown."
      },
      {
        "number": "24",
        "name": "nENBL",
        "type": "input",
        "description": "Enable input; logic high disables outputs and indexer operation, logic low enables, with internal pulldown."
      },
      {
        "number": "25",
        "name": "STEP",
        "type": "input",
        "description": "Step input where a rising edge moves the indexer one step, with internal pulldown."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave this pin unconnected."
      },
      {
        "number": "27",
        "name": "MODE0",
        "type": "input",
        "description": "Microstep mode 0 input; MODE0 through MODE2 set full, 1/2, 1/4, 1/8, 1/16 or 1/32 step, with internal pulldown."
      },
      {
        "number": "28",
        "name": "MODE1",
        "type": "input",
        "description": "Microstep mode 1 input; MODE0 through MODE2 set full, 1/2, 1/4, 1/8, 1/16 or 1/32 step, with internal pulldown."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The RHD pin table has no entry for the exposed thermal pad. Only the PWP figure labels it GND (PPAD); CP1, CP2, VCP, ISENA and ISENB are listed as IO in the datasheet. I mapped them to passive because t; nHOME and nFAULT are open-drain outputs. They are mapped to output, though an open-collector type ma"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1232,
        "at": "2026-10-31T12:43:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/drv8824rh.pdf",
        "pages": 39,
        "sha256": "1892628a6c17ad0f",
        "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": "drv8824rhdr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e9d6d740f505b03e5aa0ac826330f9e269344b84656d051f50eb07ac162749eb",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8824rhdr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6091f2cd78011eae3eef3efe8754f92a6f980d77901654bd15509f162405cfd5",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RHD",
      "source_page": 32,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.85,
          5.15
        ]
      },
      "E1": {
        "nom_mm": 5.0,
        "range_mm": [
          4.85,
          5.15
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.9,
        "range_mm": [
          0.8,
          1.0
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "drv8824rhdr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}