DRV8813PWPR

{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8813pwpr",
  "title": "DRV8813PWPR",
  "brief": "Texas Instruments Stepper Motor Driver, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "drv8813pwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DRV8813PWPR",
    "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/drv8813",
    "parts": {
      "symbol": "drv8813pwpr.kicad_sym",
      "footprint": "drv8813pwpr.kicad_mod",
      "model_3d": "drv8813pwpr-etched.glb",
      "model_3d_plain": "drv8813pwpr.glb",
      "model_3d_step": "drv8813pwpr-etched.step",
      "model_3d_step_plain": "drv8813pwpr.step",
      "lbr": "drv8813pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C701795"
    },
    "pins": [
      {
        "number": "1",
        "name": "CP1",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor connection; connect 0.01 µF capacitor between CP1 and CP2."
      },
      {
        "number": "2",
        "name": "CP2",
        "type": "bidirectional",
        "description": "Charge pump flying capacitor connection; connect 0.01 µF capacitor between CP1 and CP2."
      },
      {
        "number": "3",
        "name": "VCP",
        "type": "power_out",
        "description": "High-side gate drive voltage output; bypass with 0.1 µF 16 V capacitor to ground and 1 MΩ resistor to VM."
      },
      {
        "number": "4",
        "name": "VMA",
        "type": "power_in",
        "description": "Bridge A motor power supply input; 8.2 V to 45 V operating range, bypass with 0.1 µF capacitor to ground."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "Bridge A output 1; maximum 2.5 A continuous output current at 24 V, connect to motor winding A."
      },
      {
        "number": "6",
        "name": "ISENA",
        "type": "bidirectional",
        "description": "Bridge A current sense input/ground; connect current sense resistor between motor winding and this pin to ground."
      },
      {
        "number": "7",
        "name": "AOUT2",
        "type": "output",
        "description": "Bridge A output 2; maximum 2.5 A continuous output current at 24 V, connect to motor winding A."
      },
      {
        "number": "8",
        "name": "BOUT2",
        "type": "output",
        "description": "Bridge B output 2; maximum 2.5 A continuous output current at 24 V, connect to motor winding B."
      },
      {
        "number": "9",
        "name": "ISENB",
        "type": "bidirectional",
        "description": "Bridge B current sense input/ground; connect current sense resistor between motor winding and this pin to ground."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "Bridge B output 1; maximum 2.5 A continuous output current at 24 V, connect to motor winding B."
      },
      {
        "number": "11",
        "name": "VMB",
        "type": "power_in",
        "description": "Bridge B motor power supply input; 8.2 V to 45 V operating range, bypass with 0.1 µF capacitor to ground."
      },
      {
        "number": "12",
        "name": "AVREF",
        "type": "input",
        "description": "Bridge A current reference input; 1 V to 3.5 V nominal range, sets full-scale winding current with gain of 5 V/V."
      },
      {
        "number": "13",
        "name": "BVREF",
        "type": "input",
        "description": "Bridge B current reference input; 1 V to 3.5 V nominal range, sets full-scale winding current with gain of 5 V/V."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground for power return and reference."
      },
      {
        "number": "15",
        "name": "V3P3OUT",
        "type": "power_out",
        "description": "3.3 V regulated output; output voltage 3.2 V to 3.4 V at 0 to 1 mA load current, bypass with 0.47 µF 6.3 V capacitor."
      },
      {
        "number": "16",
        "name": "nRESET",
        "type": "input",
        "description": "Active-low reset input; initializes internal logic and disables H-bridge outputs, internal 100 kΩ pulldown."
      },
      {
        "number": "17",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic high for normal operation, logic low for low-power sleep mode with ~10 µA quiescent current."
      },
      {
        "number": "18",
        "name": "nFAULT",
        "type": "output",
        "description": "Fault indicator open-drain output; active low during overtemperature (>150°C) or overcurrent (>3 A) fault condition."
      },
      {
        "number": "19",
        "name": "DECAY",
        "type": "input",
        "description": "Decay mode selection input; low for slow decay, open for mixed decay, high for fast decay, internal 130 kΩ pullup and 80 kΩ pulldown."
      },
      {
        "number": "20",
        "name": "APHASE",
        "type": "input",
        "description": "Bridge A phase direction control input; logic high sets AOUT1 high and AOUT2 low, internal 100 kΩ pulldown."
      },
      {
        "number": "21",
        "name": "AENBL",
        "type": "input",
        "description": "Bridge A enable input; logic high to enable bridge A motor driver output, internal 100 kΩ pulldown."
      },
      {
        "number": "22",
        "name": "BENBL",
        "type": "input",
        "description": "Bridge B enable input; logic high to enable bridge B motor driver output, internal 100 kΩ pulldown."
      },
      {
        "number": "23",
        "name": "BPHASE",
        "type": "input",
        "description": "Bridge B phase direction control input; logic high sets BOUT1 high and BOUT2 low, internal 100 kΩ pulldown."
      },
      {
        "number": "24",
        "name": "AI0",
        "type": "input",
        "description": "Bridge A current set input bit 0; with AI1 selects 100%, 71%, 38%, or 0% of full-scale output current."
      },
      {
        "number": "25",
        "name": "AI1",
        "type": "input",
        "description": "Bridge A current set input bit 1; with AI0 selects 100%, 71%, 38%, or 0% of full-scale output current."
      },
      {
        "number": "26",
        "name": "BI0",
        "type": "input",
        "description": "Bridge B current set input bit 0; with BI1 selects 100%, 71%, 38%, or 0% of full-scale output current."
      },
      {
        "number": "27",
        "name": "BI1",
        "type": "input",
        "description": "Bridge B current set input bit 1; with BI0 selects 100%, 71%, 38%, or 0% of full-scale output current."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground for power return and reference."
      },
      {
        "number": "29",
        "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-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: VCP is marked as IO in datasheet but classified as power_out based on function as regulated gate dri; CP1 and CP2 are charge pump flying capacitor nodes marked as IO and classified as bidirectional; the; ISENA and ISENB marked as IO and classified as bidirectional due to dual function as both current se",
          "exposed pad 29 added from the footprint"
        ],
        "pages_sent": 30,
        "cost_usd": 0.3689,
        "at": "2026-09-23T09:56:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8813",
        "pages": 30,
        "sha256": "72c10d5d4a5a164e",
        "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"
    },
    "models_3d": [
      {
        "file": "drv8813pwpr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8813pwpr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.2,
          9.7,
          1.05
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9df75eaa7338bcb6a00801cf7a50b88b98748af5a38f0f811a962e4c9419046e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "HTSSOP-28-EP",
      "Category": "Motor Driver ICs",
      "Pins": "29"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "drv8813pwpr"
  ],
  "discovery_pitch": "DRV8813PWPR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8813pwpr.kicad_sym",
    "drv8813pwpr.kicad_mod",
    "drv8813pwpr.glb",
    "drv8813pwpr.step",
    "drv8813pwpr.lbr",
    "docs/hero.png",
    "docs/drv8813pwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T20:01:09.484Z"
}