DRV8845RHHR

{
  "slug": "drv8845rhhr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, VQFN-36(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8845rhhr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8845rhhr.kicad_sym",
    "drv8845rhhr.kicad_mod",
    "drv8845rhhr.glb",
    "drv8845rhhr.step",
    "drv8845rhhr.lbr",
    "docs/hero.png",
    "docs/drv8845rhhr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8845rhhr-hero.glb",
    "drv8845rhhr-hero.overlay.json",
    "drv8845rhhr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8845RHHR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-36(6x6)",
    "pin_count": 37,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/drv8845.pdf",
    "parts": {
      "symbol": "drv8845rhhr.kicad_sym",
      "footprint": "drv8845rhhr.kicad_mod",
      "model_3d": "drv8845rhhr-hero.glb",
      "model_3d_plain": "drv8845rhhr-etched.glb",
      "model_3d_step": "drv8845rhhr-etched.step",
      "model_3d_step_plain": "drv8845rhhr.step",
      "lbr": "drv8845rhhr.lbr"
    },
    "distributor_links": {
      "lcsc": "C20345375",
      "digikey": "296-DRV8845RHHRTR-ND",
      "mouser": "595-DRV8845RHHR"
    },
    "distributor_check": {
      "checked_at": "2026-11-10T07:28:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8845RHHRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8845RHHR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I04",
        "type": "input",
        "description": "Control input for H-Bridge 4; logic input with a 0 V to 5.5 V recommended control input range, and it must be left OPEN when H-Bridges 3 and 4 are paralleled."
      },
      {
        "number": "2",
        "name": "OUT1A",
        "type": "output",
        "description": "H-Bridge 1 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "3",
        "name": "SENSE1",
        "type": "output",
        "description": "Sense resistor terminal for H-Bridge 1; the SENSE1 pin voltage must stay within ±500 mV."
      },
      {
        "number": "4",
        "name": "OUT1B",
        "type": "output",
        "description": "H-Bridge 1 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "5",
        "name": "VM1",
        "type": "power_in",
        "description": "Supply voltage pin with a 4.5 V to 38 V recommended operating range; it should be connected to the VM2 pin close to the device."
      },
      {
        "number": "6",
        "name": "OUT2B",
        "type": "output",
        "description": "H-Bridge 2 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "7",
        "name": "SENSE2",
        "type": "output",
        "description": "Sense resistor terminal for H-Bridge 2; the SENSE2 pin voltage must stay within ±500 mV."
      },
      {
        "number": "8",
        "name": "OUT2A",
        "type": "output",
        "description": "H-Bridge 2 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "9",
        "name": "PHASE4",
        "type": "input",
        "description": "Control input for H-Bridge 4 that sets the output current direction; leave OPEN when H-Bridges 3 and 4 are paralleled."
      },
      {
        "number": "10",
        "name": "PHASE3",
        "type": "input",
        "description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
      },
      {
        "number": "11",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic high enables the device and logic low enters low-power sleep mode, with an internal pulldown resistor and a -0.3 V to 5.75 V absolute maximum rating."
      },
      {
        "number": "12",
        "name": "VREF1",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 1; 0 V to 1.5 V recommended."
      },
      {
        "number": "13",
        "name": "VREF2",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 2; 0 V to 1.5 V recommended."
      },
      {
        "number": "14",
        "name": "VREF3",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 3; it alone controls the combined bridge current when H-Bridges 3 and 4 are paralleled."
      },
      {
        "number": "15",
        "name": "VREF4",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current in H-Bridge 4; it is ignored when H-Bridges 3 and 4 are paralleled and should be left OPEN in that case."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground; all device voltages are referenced with respect to this pin."
      },
      {
        "number": "17",
        "name": "PHASE2",
        "type": "input",
        "description": "Control input for H-Bridge 2 that sets the output current direction."
      },
      {
        "number": "18",
        "name": "PHASE1",
        "type": "input",
        "description": "Control input for H-Bridge 1 that sets the output current direction."
      },
      {
        "number": "19",
        "name": "I14",
        "type": "input",
        "description": "Control input for H-Bridge 4; leave OPEN when H-Bridges 3 and 4 are paralleled."
      },
      {
        "number": "20",
        "name": "OUT4A",
        "type": "output",
        "description": "H-Bridge 4 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "21",
        "name": "SENSE4",
        "type": "output",
        "description": "Sense resistor terminal for H-Bridge 4; the SENSE4 pin voltage must stay within ±500 mV."
      },
      {
        "number": "22",
        "name": "OUT4B",
        "type": "output",
        "description": "H-Bridge 4 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "23",
        "name": "VM2",
        "type": "power_in",
        "description": "Supply voltage pin with a 4.5 V to 38 V recommended operating range; it should be connected to the VM1 pin close to the device."
      },
      {
        "number": "24",
        "name": "OUT3B",
        "type": "output",
        "description": "H-Bridge 3 output B; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "25",
        "name": "SENSE3",
        "type": "output",
        "description": "Sense resistor terminal for H-Bridge 3; the SENSE3 pin voltage must stay within ±500 mV."
      },
      {
        "number": "26",
        "name": "OUT3A",
        "type": "output",
        "description": "H-Bridge 3 output A; continuous phase node voltage is limited to -1 V to VVM + 1 V and output current to 1.5 A."
      },
      {
        "number": "27",
        "name": "I13",
        "type": "input",
        "description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
      },
      {
        "number": "28",
        "name": "I12",
        "type": "input",
        "description": "Control input for H-Bridge 2 (logic input, 0 V to 5.5 V recommended)."
      },
      {
        "number": "29",
        "name": "I11",
        "type": "input",
        "description": "Control input for H-Bridge 1 (logic input, 0 V to 5.5 V recommended)."
      },
      {
        "number": "30",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the device."
      },
      {
        "number": "31",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump reservoir capacitor terminal; the VCP operating voltage is VVM + 5 V when VVM is above 6 V."
      },
      {
        "number": "32",
        "name": "CP1",
        "type": "passive",
        "description": "Charge pump capacitor terminal; a ceramic flying capacitor is connected between CP1 and CP2."
      },
      {
        "number": "33",
        "name": "CP2",
        "type": "passive",
        "description": "Charge pump capacitor terminal and negative switching pin; absolute maximum voltage is -0.3 V to VVM."
      },
      {
        "number": "34",
        "name": "I01",
        "type": "input",
        "description": "Control input for H-Bridge 1 (logic input, 0 V to 5.5 V recommended)."
      },
      {
        "number": "35",
        "name": "I02",
        "type": "input",
        "description": "Control input for H-Bridge 2 (logic input, 0 V to 5.5 V recommended)."
      },
      {
        "number": "36",
        "name": "I03",
        "type": "input",
        "description": "Control input for H-Bridge 3; when H-Bridges 3 and 4 are paralleled, it controls the combined H-bridge."
      },
      {
        "number": "37",
        "name": "PAD",
        "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: Package match confirmed: the orderable addendum lists DRV8845RHHR as VQFN (RHH), 36 pins, 6 mm x 6 m; The exposed thermal pad (listed as PAD with no number, shown as '-' in the pin table) is not include; The datasheet's Table 5-1 classifies SENSE1-SENSE4 as 'O' (output). They are typed here as output to",
          "exposed pad 37 added from the footprint"
        ],
        "pages_sent": 35,
        "cost_usd": 0.1294,
        "at": "2026-11-10T07:28:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/drv8845.pdf",
        "pages": 35,
        "sha256": "29a595b6de77a2c7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8845rhhr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8845rhhr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          6.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d2e7b31c8f99676c6e32882f426c2ddff71dea56a646ff59b1801b292cf6345",
        "checked": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RHH0036H",
      "source_page": 32,
      "D": {
        "nom_mm": 6.0,
        "range_mm": [
          5.9,
          6.1
        ]
      },
      "E1": {
        "nom_mm": 6.0,
        "range_mm": [
          5.9,
          6.1
        ]
      },
      "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": "drv8845rhhr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}