DRV8811PWP

{
  "slug": "drv8811pwp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8811pwp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8811pwp.kicad_sym",
    "drv8811pwp.kicad_mod",
    "drv8811pwp.glb",
    "drv8811pwp.step",
    "drv8811pwp.lbr",
    "docs/hero.png",
    "docs/drv8811pwp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8811pwp-hero.glb",
    "drv8811pwp-hero.overlay.json"
  ],
  "component": {
    "mpn": "DRV8811PWP",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-28-EP",
    "pin_count": 29,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8811",
    "parts": {
      "symbol": "drv8811pwp.kicad_sym",
      "footprint": "drv8811pwp.kicad_mod",
      "model_3d": "drv8811pwp-hero.glb",
      "model_3d_plain": "drv8811pwp.glb",
      "model_3d_step": "drv8811pwp-etched.step",
      "model_3d_step_plain": "drv8811pwp.step",
      "lbr": "drv8811pwp.lbr"
    },
    "distributor_links": {
      "lcsc": "C1556868",
      "digikey": "296-25379-5-ND",
      "mouser": "595-DRV8811PWP"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T00:29:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25379-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-DRV8811PWP",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISENA",
        "type": "input",
        "description": "Bridge A current sense input; connect to sense resistor for winding A current control."
      },
      {
        "number": "2",
        "name": "HOMEn",
        "type": "output",
        "description": "Home position output; logic low when stepper motor is at home state, logic high at other states."
      },
      {
        "number": "3",
        "name": "DIR",
        "type": "input",
        "description": "Direction control input; logic level sets stepper motor stepping direction."
      },
      {
        "number": "4",
        "name": "AOUT1",
        "type": "tri_state",
        "description": "H-bridge output 1 for connection to bipolar stepper motor winding A."
      },
      {
        "number": "5",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode select input requiring bypass to GND with 0.1-μF ceramic capacitor."
      },
      {
        "number": "6",
        "name": "RCA",
        "type": "input",
        "description": "Bridge A blanking and off-time adjust node; connect parallel RC network to GND."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground connection."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_in",
        "description": "Winding current reference voltage input for setting drive current magnitude."
      },
      {
        "number": "9",
        "name": "RCB",
        "type": "input",
        "description": "Bridge B blanking and off-time adjust node; connect parallel RC network to GND."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic power supply (3-5 V) with 0.1-μF bypass capacitor to GND."
      },
      {
        "number": "11",
        "name": "BOUT1",
        "type": "tri_state",
        "description": "H-bridge output 1 for connection to bipolar stepper motor winding B."
      },
      {
        "number": "12",
        "name": "USM1",
        "type": "input",
        "description": "Microstep mode select input bit 1; with USM0 configures full/half/quarter/eighth-step resolution."
      },
      {
        "number": "13",
        "name": "USM0",
        "type": "input",
        "description": "Microstep mode select input bit 0; with USM1 configures full/half/quarter/eighth-step resolution."
      },
      {
        "number": "14",
        "name": "ISENB",
        "type": "input",
        "description": "Bridge B current sense input; connect to sense resistor for winding B current control."
      },
      {
        "number": "15",
        "name": "VMB",
        "type": "power_in",
        "description": "Bridge B motor power supply (8-38 V); must be connected to same supply as VMA."
      },
      {
        "number": "16",
        "name": "SRn",
        "type": "input",
        "description": "Synchronous rectification enable input; active-low with internal pulldown."
      },
      {
        "number": "17",
        "name": "RESETn",
        "type": "input",
        "description": "Active-low reset input that initializes indexer logic and disables H-bridge outputs."
      },
      {
        "number": "18",
        "name": "BOUT2",
        "type": "tri_state",
        "description": "H-bridge output 2 for stepper motor winding B with positive current direction BOUT1→BOUT2."
      },
      {
        "number": "19",
        "name": "STEP",
        "type": "input",
        "description": "Rising edge step input that advances stepper indexer one position."
      },
      {
        "number": "20",
        "name": "VGD",
        "type": "power_in",
        "description": "Low-side gate drive supply with 0.22-μF bypass capacitor to GND."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground connection."
      },
      {
        "number": "22",
        "name": "VCP",
        "type": "power_in",
        "description": "High-side gate drive supply requiring 0.22-μF ceramic capacitor connection to VM."
      },
      {
        "number": "23",
        "name": "CP1",
        "type": "power_in",
        "description": "Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2."
      },
      {
        "number": "24",
        "name": "CP2",
        "type": "power_in",
        "description": "Charge pump flying capacitor terminal; connect 0.22-μF capacitor between CP1 and CP2."
      },
      {
        "number": "25",
        "name": "AOUT2",
        "type": "tri_state",
        "description": "H-bridge output 2 for stepper motor winding A with positive current direction AOUT1→AOUT2."
      },
      {
        "number": "26",
        "name": "ENABLEn",
        "type": "input",
        "description": "Active-low enable input; logic high disables device outputs."
      },
      {
        "number": "27",
        "name": "SLEEPn",
        "type": "input",
        "description": "Sleep mode input; logic low enters low-power sleep mode."
      },
      {
        "number": "28",
        "name": "VMA",
        "type": "power_in",
        "description": "Bridge A motor power supply (8-38 V); must be connected to same supply as VMB."
      },
      {
        "number": "29",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 29 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.1753,
        "at": "2026-10-06T00:29:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8811",
        "pages": 33,
        "sha256": "0b8de04cb904145e",
        "source_tier": "lcsc"
      },
      "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"
    }
  }
}