DRV8306HRSMR

{
  "slug": "drv8306hrsmr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Brushless DC (BLDC) Motor Driver, VQFN-32-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8306hrsmr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8306hrsmr.kicad_sym",
    "drv8306hrsmr.kicad_mod",
    "drv8306hrsmr.glb",
    "drv8306hrsmr.step",
    "drv8306hrsmr.lbr",
    "docs/hero.png",
    "docs/drv8306hrsmr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DRV8306HRSMR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Motor Driver ICs",
    "subcategory": "Brushless DC (BLDC) Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8306",
    "parts": {
      "symbol": "drv8306hrsmr.kicad_sym",
      "footprint": "drv8306hrsmr.kicad_mod",
      "model_3d": "drv8306hrsmr-etched.glb",
      "model_3d_plain": "drv8306hrsmr.glb",
      "model_3d_step": "drv8306hrsmr-etched.step",
      "model_3d_step_plain": "drv8306hrsmr.step",
      "lbr": "drv8306hrsmr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2150572"
    },
    "pins": [
      {
        "number": "1",
        "name": "CPH",
        "type": "passive",
        "description": "Charge-pump switching node requiring 22-nF VM-rated ceramic capacitor between CPH and CPL pins."
      },
      {
        "number": "2",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output with 1-µF 16-V capacitor to VM supplying 7 to 11.5 V at 12-38 V input."
      },
      {
        "number": "3",
        "name": "VM",
        "type": "power_in",
        "description": "Gate driver supply input from 6 to 38 V with 0.1-µF bypass and 10-µF bulk capacitance to PGND."
      },
      {
        "number": "4",
        "name": "VDRAIN",
        "type": "input",
        "description": "High-side MOSFET drain sense input for VDS overcurrent monitoring from common drain point."
      },
      {
        "number": "5",
        "name": "GHA",
        "type": "output",
        "description": "High-side gate driver A output connected to phase A MOSFET gate."
      },
      {
        "number": "6",
        "name": "SHA",
        "type": "input",
        "description": "High-side source sense input A from phase A MOSFET source."
      },
      {
        "number": "7",
        "name": "GLA",
        "type": "output",
        "description": "Low-side gate driver A output connected to phase A MOSFET gate."
      },
      {
        "number": "8",
        "name": "ISEN",
        "type": "input",
        "description": "Low-side current sense input from sense resistor with 0.225 to 0.275 V cycle-by-cycle current limit threshold."
      },
      {
        "number": "9",
        "name": "GLB",
        "type": "output",
        "description": "Low-side gate driver B output connected to phase B MOSFET gate."
      },
      {
        "number": "10",
        "name": "SHB",
        "type": "input",
        "description": "High-side source sense input B from phase B MOSFET source."
      },
      {
        "number": "11",
        "name": "GHB",
        "type": "output",
        "description": "High-side gate driver B output connected to phase B MOSFET gate."
      },
      {
        "number": "12",
        "name": "GHC",
        "type": "output",
        "description": "High-side gate driver C output connected to phase C MOSFET gate."
      },
      {
        "number": "13",
        "name": "SHC",
        "type": "input",
        "description": "High-side source sense input C from phase C MOSFET source."
      },
      {
        "number": "14",
        "name": "GLC",
        "type": "output",
        "description": "Low-side gate driver C output connected to phase C MOSFET gate."
      },
      {
        "number": "15",
        "name": "HPC",
        "type": "input",
        "description": "Hall element positive input C with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "16",
        "name": "HNC",
        "type": "input",
        "description": "Hall element negative input C with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "17",
        "name": "HPB",
        "type": "input",
        "description": "Hall element positive input B with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "18",
        "name": "HNB",
        "type": "input",
        "description": "Hall element negative input B with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "19",
        "name": "HPA",
        "type": "input",
        "description": "Hall element positive input A with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "20",
        "name": "HNA",
        "type": "input",
        "description": "Hall element negative input A with 50 mV differential detection and 20 to 40 mV hysteresis."
      },
      {
        "number": "21",
        "name": "nFAULT",
        "type": "tri_state",
        "description": "Open-drain fault indicator output pulled to logic low during VM UVLO, CPUV, VDS overcurrent, gate driver fault, or thermal shutdown conditions."
      },
      {
        "number": "22",
        "name": "IDRIVE",
        "type": "input",
        "description": "Gate drive current setting as 7-level resistor-configured input from 15 mA to 150 mA source and 30 mA to 300 mA sink."
      },
      {
        "number": "23",
        "name": "VDS",
        "type": "input",
        "description": "VDS overcurrent monitor trip threshold setting as 7-level resistor-configured input from 0.15 V to 1.8 V."
      },
      {
        "number": "24",
        "name": "ENABLE",
        "type": "input",
        "description": "Gate driver enable input entering low-power sleep mode when logic low with 15 to 40-µs reset pulse for fault recovery."
      },
      {
        "number": "25",
        "name": "AGND",
        "type": "power_in",
        "description": "Device analog ground connection to system ground."
      },
      {
        "number": "26",
        "name": "DVDD",
        "type": "power_out",
        "description": "3.3-V regulated output from internal LDO with 1-µF 6.3-V bypass capacitor sourcing 30 mA maximum external load current."
      },
      {
        "number": "27",
        "name": "PWM",
        "type": "input",
        "description": "PWM input for trapezoidal commutation motor control from 0 to 5.5 V logic level supporting 100% duty cycle."
      },
      {
        "number": "28",
        "name": "FGOUT",
        "type": "tri_state",
        "description": "Open-drain commutation frequency output signal derived from all three Hall sensor inputs for closed-loop speed control."
      },
      {
        "number": "29",
        "name": "DIR",
        "type": "input",
        "description": "Motor direction selection input for clockwise or counterclockwise rotation with internal 100 kΩ pulldown resistor."
      },
      {
        "number": "30",
        "name": "nBRAKE",
        "type": "input",
        "description": "Motor brake activation input pulled low to brake motor by disabling high-side and enabling low-side MOSFETs with internal pulldown."
      },
      {
        "number": "31",
        "name": "PGND",
        "type": "power_in",
        "description": "Device power ground connection to system ground with 0.1-µF bypass capacitor to VM."
      },
      {
        "number": "32",
        "name": "CPL",
        "type": "passive",
        "description": "Charge-pump switching node requiring 22-nF VM-rated ceramic capacitor between CPH and CPL pins."
      },
      {
        "number": "33",
        "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": [
          "extractor flagged: Thermal pad (exposed pad on bottom of QFN package) is not assigned a numerical pin designation in th",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 47,
        "cost_usd": 0.5004,
        "at": "2026-09-17T21:33:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8306",
        "pages": 47,
        "sha256": "5a55fde42c409c8a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8306hrsmr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8306hrsmr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e3018649c53a6387521b2f2cdea75fb2283e0965264e588539ca45cbe141ecd5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}