DRV8311PRRWR

{
  "slug": "drv8311prrwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Motor Driver ICs, WQFN-24(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "drv8311prrwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8311prrwr.kicad_sym",
    "drv8311prrwr.kicad_mod",
    "drv8311prrwr.glb",
    "drv8311prrwr.step",
    "drv8311prrwr.lbr",
    "docs/hero.png",
    "docs/drv8311prrwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8311prrwr-hero.glb",
    "drv8311prrwr-hero.overlay.json",
    "drv8311prrwr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8311PRRWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(3x3)",
    "pin_count": 25,
    "category": "Power Supply Chip",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/drv8311.pdf",
    "parts": {
      "symbol": "drv8311prrwr.kicad_sym",
      "footprint": "drv8311prrwr.kicad_mod",
      "model_3d": "drv8311prrwr-hero.glb",
      "model_3d_plain": "drv8311prrwr-etched.glb",
      "model_3d_step": "drv8311prrwr-etched.step",
      "model_3d_step_plain": "drv8311prrwr.step",
      "lbr": "drv8311prrwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3681458",
      "digikey": "296-DRV8311PRRWRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:28:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8311PRRWRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indication output that is pulled logic-low on a fault condition and requires an external pullup to AVDD (5.1-kΩ recommended, 5-mA max sink)."
      },
      {
        "number": "2",
        "name": "CSAREF",
        "type": "power_in",
        "description": "Current sense amplifier power supply input and reference, bypassed with a X5R or X7R 0.1-µF, 6.3-V ceramic capacitor to AGND (2 to 3.6 V recommended)."
      },
      {
        "number": "3",
        "name": "SOC",
        "type": "output",
        "description": "Current sense amplifier output for OUTC."
      },
      {
        "number": "4",
        "name": "SOB",
        "type": "output",
        "description": "Current sense amplifier output for OUTB."
      },
      {
        "number": "5",
        "name": "SOA",
        "type": "output",
        "description": "Current sense amplifier output for OUTA."
      },
      {
        "number": "6",
        "name": "CP",
        "type": "power_out",
        "description": "Charge pump output, with a X5R or X7R 0.1-µF, 16-V ceramic capacitor connected between CP and VM."
      },
      {
        "number": "7",
        "name": "VIN_AVDD",
        "type": "power_in",
        "description": "Supply input for the AVDD regulator (3 to 20 V recommended), bypassed with a 0.1-µF ceramic capacitor and a >=10-µF bulk capacitor, both VIN_AVDD-rated."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply (3 to 20 V recommended, 24 V abs max) with a 0.1-µF ceramic bypass and a >=10-µF VM-rated bulk capacitor to PGND, plus 0.1-µF, 16-V between VM and CP."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Device power ground, connect to system ground."
      },
      {
        "number": "10",
        "name": "OUTA",
        "type": "output",
        "description": "Half-bridge output A, connect to motor winding."
      },
      {
        "number": "11",
        "name": "OUTB",
        "type": "output",
        "description": "Half-bridge output B, connect to motor winding."
      },
      {
        "number": "12",
        "name": "OUTC",
        "type": "output",
        "description": "Half-bridge output C, connect to motor winding."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, leave the pin floating."
      },
      {
        "number": "14",
        "name": "AD1",
        "type": "input",
        "description": "Address selection input for tSPI (only on tSPI device DRV8311P)."
      },
      {
        "number": "15",
        "name": "AD0",
        "type": "input",
        "description": "Address selection input for tSPI (only on tSPI device DRV8311P)."
      },
      {
        "number": "16",
        "name": "AGND",
        "type": "power_in",
        "description": "Device analog ground, connect to system ground."
      },
      {
        "number": "17",
        "name": "AVDD",
        "type": "power_out",
        "description": "3.3-V regulator output that can source up to 100 mA externally, with a X5R or X7R 0.7-µF to 7-µF, 6.3-V ceramic capacitor between AVDD and AGND."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect, leave the pin floating."
      },
      {
        "number": "19",
        "name": "PWM_SYNC",
        "type": "input",
        "description": "Connect to the MCU signal to synchronize the internally generated PWM signals to the MCU in PWM generation mode (only on DRV8311P)."
      },
      {
        "number": "20",
        "name": "nSCS",
        "type": "input",
        "description": "Serial chip select, a logic low enables serial interface communication."
      },
      {
        "number": "21",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output, with data shifted out on the rising edge of SCLK."
      },
      {
        "number": "22",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input, with data captured on the falling edge of SCLK."
      },
      {
        "number": "23",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input, with data shifted out on the rising edge and captured on the falling edge of SCLK."
      },
      {
        "number": "24",
        "name": "nSLEEP",
        "type": "input",
        "description": "A logic low puts the device in low-power sleep mode, and a 15 to 50-µs low pulse resets fault conditions without entering sleep mode."
      },
      {
        "number": "25",
        "name": "Thermal pad",
        "type": "power_in",
        "description": "Exposed thermal pad that must be connected to PGND."
      }
    ],
    "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: Exposed pad number 25 is not printed in the pin table. It is taken from the stencil drawing (page 93; The datasheet table gives only the type codes I, O and PWR. Types such as power_out for CP and AVDD,"
        ],
        "pages_sent": 20,
        "cost_usd": 0.2029,
        "at": "2026-10-22T21:27:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/drv8311.pdf",
        "pages": 101,
        "sha256": "2bb6bac1bbcd6cff",
        "source_tier": "lcsc"
      },
      "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": "drv8311prrwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          1.02
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f8729f613859baaeb2ca705907e2c92ba0979aed3334ef65762c296772fae51e",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8311prrwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          1.02
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7263555cf4f0761124c05637fe55f051f0511abc79fffa2a9c7720b0c5a4ab5",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}