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Ray Publish 0.1.0 5eb9d68 16d ago
{
  "slug": "drv8881ppwpr",
  "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",
    "drv8881ppwpr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8881ppwpr.kicad_sym",
    "drv8881ppwpr.kicad_mod",
    "drv8881ppwpr.glb",
    "drv8881ppwpr.step",
    "drv8881ppwpr.lbr",
    "docs/hero.png",
    "docs/drv8881ppwpr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8881ppwpr-hero.glb",
    "drv8881ppwpr-hero.overlay.json"
  ],
  "component": {
    "mpn": "DRV8881PPWPR",
    "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/drv8881",
    "parts": {
      "symbol": "drv8881ppwpr.kicad_sym",
      "footprint": "drv8881ppwpr.kicad_mod",
      "model_3d": "drv8881ppwpr-hero.glb",
      "model_3d_plain": "drv8881ppwpr.glb",
      "model_3d_step": "drv8881ppwpr-etched.step",
      "model_3d_step_plain": "drv8881ppwpr.step",
      "lbr": "drv8881ppwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C701808",
      "digikey": "296-42435-2-ND",
      "mouser": "595-DRV8881PPWPR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T01:43:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-42435-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DRV8881PPWPR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switching pin; connect a VM-rated, 0.1-µF ceramic capacitor between CPH and CPL, with an absolute maximum range of -0.3 V to VM."
      },
      {
        "number": "2",
        "name": "CPH",
        "type": "power_out",
        "description": "Charge pump output; connect a VM-rated, 0.1-µF X7R capacitor between CPH and CPL, with an absolute maximum of VM + 12 V."
      },
      {
        "number": "3",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output; connect a 16-V, 0.47-µF ceramic capacitor to VM."
      },
      {
        "number": "4",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, operating range 6.5 V to 45 V with an absolute maximum of 50 V; bypass to GND with two 0.1-µF capacitors (one per VM pin) plus a bulk capacitor rated for VM."
      },
      {
        "number": "5",
        "name": "AOUT1",
        "type": "output",
        "description": "H-bridge A winding output that drives one winding of the stepper motor; continuous phase node voltage limited to -0.7 V to VM + 0.7 V."
      },
      {
        "number": "6",
        "name": "AISEN",
        "type": "output",
        "description": "Winding A sense pin; requires a sense resistor to GND whose value sets the peak current, with continuous input limited to ±0.55 V."
      },
      {
        "number": "7",
        "name": "AOUT2",
        "type": "output",
        "description": "H-bridge A winding output that drives one winding of the stepper motor; continuous phase node voltage limited to -0.7 V to VM + 0.7 V."
      },
      {
        "number": "8",
        "name": "BOUT2",
        "type": "output",
        "description": "H-bridge B winding output that drives one winding of the stepper motor; continuous phase node voltage limited to -0.7 V to VM + 0.7 V."
      },
      {
        "number": "9",
        "name": "BISEN",
        "type": "output",
        "description": "Winding B sense pin; requires a sense resistor to GND whose value sets the peak current, with continuous input limited to ±0.55 V."
      },
      {
        "number": "10",
        "name": "BOUT1",
        "type": "output",
        "description": "H-bridge B winding output that drives one winding of the stepper motor; continuous phase node voltage limited to -0.7 V to VM + 0.7 V."
      },
      {
        "number": "11",
        "name": "VM",
        "type": "power_in",
        "description": "Motor supply input, operating range 6.5 V to 45 V with an absolute maximum of 50 V; bypass to GND with two 0.1-µF capacitors (one per VM pin) plus a bulk capacitor rated for VM."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; must be connected to ground."
      },
      {
        "number": "13",
        "name": "AVREF",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge A; absolute range -0.3 V to V3P3 + 0.5 V."
      },
      {
        "number": "14",
        "name": "BVREF",
        "type": "input",
        "description": "Reference voltage input that sets the full-scale chopping current of H-bridge B; absolute range -0.3 V to V3P3 + 0.5 V."
      },
      {
        "number": "15",
        "name": "V3P3",
        "type": "power_out",
        "description": "Internal 3.3-V regulator output; bypass to GND with a 6.3-V, 0.47-µF ceramic capacitor and supports up to 10 mA of external load."
      },
      {
        "number": "16",
        "name": "TOFF",
        "type": "input",
        "description": "Tri-level input that sets the decay mode off time during current chopping."
      },
      {
        "number": "17",
        "name": "nSLEEP",
        "type": "input",
        "description": "Logic high enables the device and logic low enters low-power sleep mode; internal pulldown."
      },
      {
        "number": "18",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indication output that is pulled logic low on a fault condition; requires an external pullup, with open-drain output current limited to 10 mA."
      },
      {
        "number": "19",
        "name": "BDECAY",
        "type": "input",
        "description": "Tri-level input that sets the decay mode for bridge B."
      },
      {
        "number": "20",
        "name": "ADECAY",
        "type": "input",
        "description": "Tri-level input that sets the decay mode for bridge A."
      },
      {
        "number": "21",
        "name": "BIN2",
        "type": "input",
        "description": "Bridge B PWM input; the logic level controls the state of H-bridge B, with an internal pulldown."
      },
      {
        "number": "22",
        "name": "BIN1",
        "type": "input",
        "description": "Bridge B PWM input; the logic level controls the state of H-bridge B, with an internal pulldown."
      },
      {
        "number": "23",
        "name": "AIN2",
        "type": "input",
        "description": "Bridge A PWM input; the logic level controls the state of H-bridge A, with an internal pulldown."
      },
      {
        "number": "24",
        "name": "AIN1",
        "type": "input",
        "description": "Bridge A PWM input; the logic level controls the state of H-bridge A, with an internal pulldown."
      },
      {
        "number": "25",
        "name": "PARA",
        "type": "input",
        "description": "Parallel mode input; logic high enables parallel mode."
      },
      {
        "number": "26",
        "name": "TRQ1",
        "type": "input",
        "description": "Torque DAC current scalar input (with TRQ0) that scales the current to 100%, 75%, 50% or 25%; internal pulldown."
      },
      {
        "number": "27",
        "name": "TRQ0",
        "type": "input",
        "description": "Torque DAC current scalar input (with TRQ1) that scales the current to 100%, 75%, 50% or 25%; internal pulldown."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; must be connected to ground."
      },
      {
        "number": "29",
        "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 thermal pad is not numbered in the datasheet; it is printed as 'PAD' in the pin table and is lis; The datasheet pin table lists AISEN and BISEN as type 'O' (output), though they are current-sense in; The datasheet pin table gives no type for CPL and lists CPH and VCP as charge pump outputs; the KiCa",
          "exposed pad 29 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.075,
        "at": "2026-10-11T01:43:21"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8881",
        "pages": 49,
        "sha256": "656d41b4b52789b1",
        "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": "drv8881ppwpr.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ff242f1d3be9d09e7f929707a2c5b1ee974a4f882053b04bcdb1cd2cb21223ef",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8881ppwpr-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0051fa3ff34aeed92fb7813f0557759b126ea8a9cf89a53caa8e6caa2297aff0",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}