DRV8311HRRWR

{
  "slug": "drv8311hrrwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Brushless DC (BLDC) Motor Driver, WQFN-24(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8311hrrwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8311hrrwr.kicad_sym",
    "drv8311hrrwr.kicad_mod",
    "drv8311hrrwr.glb",
    "drv8311hrrwr.step",
    "drv8311hrrwr.lbr",
    "docs/hero.png",
    "docs/drv8311hrrwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8311hrrwr-hero.glb",
    "drv8311hrrwr-hero.overlay.json",
    "drv8311hrrwr-etched.glb"
  ],
  "component": {
    "mpn": "DRV8311HRRWR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(3x3)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8311",
    "parts": {
      "symbol": "drv8311hrrwr.kicad_sym",
      "footprint": "drv8311hrrwr.kicad_mod",
      "model_3d": "drv8311hrrwr-hero.glb",
      "model_3d_plain": "drv8311hrrwr-etched.glb",
      "model_3d_step": "drv8311hrrwr-etched.step",
      "model_3d_step_plain": "drv8311hrrwr.step",
      "lbr": "drv8311hrrwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5218862",
      "digikey": "296-DRV8311HRRWRTR-ND",
      "mouser": "595-DRV8311HRRWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:30:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-DRV8311HRRWRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8311HRRWR",
        "status": "found"
      }
    },
    "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), with a maximum open-drain sink current of 5 mA."
      },
      {
        "number": "2",
        "name": "CSAREF",
        "type": "power_in",
        "description": "Current sense amplifier power supply input and reference, operating at 2 V to 3.6 V, decoupled with a X5R or X7R 0.1-µF 6.3-V capacitor to AGND."
      },
      {
        "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, connected through a X5R or X7R 0.1-µF 16-V ceramic capacitor between CP and VM."
      },
      {
        "number": "7",
        "name": "VIN_AVDD",
        "type": "power_in",
        "description": "Supply input for the AVDD regulator, rated 3 V to 20 V, bypassed to AGND with a 0.1-µF ceramic capacitor and a bulk capacitor of at least 10 µF."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply pin, rated 3 V to 20 V recommended (24 V absolute maximum), bypassed to PGND with a 0.1-µF VM-rated ceramic capacitor and a bulk capacitor of at least 10 µF."
      },
      {
        "number": "9",
        "name": "PGND",
        "type": "power_in",
        "description": "Device power ground that must be connected to system ground."
      },
      {
        "number": "10",
        "name": "OUTA",
        "type": "output",
        "description": "Half-bridge output A that connects to the motor winding, with a peak output current rating of 5 A."
      },
      {
        "number": "11",
        "name": "OUTB",
        "type": "output",
        "description": "Half-bridge output B that connects to the motor winding, with a peak output current rating of 5 A."
      },
      {
        "number": "12",
        "name": "OUTC",
        "type": "output",
        "description": "Half-bridge output C that connects to the motor winding, with a peak output current rating of 5 A."
      },
      {
        "number": "13",
        "name": "INHC",
        "type": "input",
        "description": "High-side driver control input for OUTC that sets the high-side MOSFET state in 6x or 3x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "14",
        "name": "INHB",
        "type": "input",
        "description": "High-side driver control input for OUTB that sets the high-side MOSFET state in 6x or 3x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "INHA",
        "type": "input",
        "description": "High-side driver control input for OUTA that sets the high-side MOSFET state in 6x or 3x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "AGND",
        "type": "power_in",
        "description": "Device analog ground that must be connected to system ground."
      },
      {
        "number": "17",
        "name": "AVDD",
        "type": "power_out",
        "description": "3.3-V regulator output that requires a 0.7 µF to 7 µF 6.3-V X5R or X7R ceramic capacitor to AGND and can source up to 100 mA externally."
      },
      {
        "number": "18",
        "name": "INLA",
        "type": "input",
        "description": "Low-side driver control input for OUTA that sets the low-side MOSFET state in 6x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "19",
        "name": "INLB",
        "type": "input",
        "description": "Low-side driver control input for OUTB that sets the low-side MOSFET state in 6x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "20",
        "name": "INLC",
        "type": "input",
        "description": "Low-side driver control input for OUTC that sets the low-side MOSFET state in 6x PWM mode, with logic input range -0.1 V to 5.5 V."
      },
      {
        "number": "21",
        "name": "GAIN",
        "type": "input",
        "description": "Current sense amplifier gain select, a 4-level input set by an external resistor to AVDD or AGND (DRV8311H only)."
      },
      {
        "number": "22",
        "name": "SLEW",
        "type": "input",
        "description": "OUTx voltage slew rate select, a 4-level input set by an external resistor to AVDD or AGND (DRV8311H only)."
      },
      {
        "number": "23",
        "name": "MODE",
        "type": "input",
        "description": "PWM mode select, a 4-level input set by an external resistor to AVDD or AGND that is latched at power-up (DRV8311H only)."
      },
      {
        "number": "24",
        "name": "nSLEEP",
        "type": "input",
        "description": "Logic-low input that puts the device into low-power sleep mode, where a 15 µs to 50 µs low pulse resets faults without entering sleep (DRV8311H only)."
      },
      {
        "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 exposed thermal pad is not a numbered pin, so it is omitted from the pins array. The datasheet s; The DRV8311H pinout is taken from Figure 6-2 and Table 6-1, which mark GAIN, MODE, SLEW and nSLEEP a; The 4-level inputs GAIN, MODE and SLEW are typed as input, though the datasheet describes them as re",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1012,
        "at": "2026-10-17T06:28:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8311",
        "pages": 94,
        "sha256": "175351398d6a15a5",
        "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": "drv8311hrrwr.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8311hrrwr-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": "7b7bd7399db8bb528195c4157487e6c0275eb25a416cb6b13431bd44adcd55a8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}