main
Ray drv8889qwrgerq1: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) eaa91ee
{
  "slug": "drv8889qwrgerq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Stepper Motor Driver, VQFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "drv8889qwrgerq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8889qwrgerq1.kicad_sym",
    "drv8889qwrgerq1.kicad_mod",
    "drv8889qwrgerq1.glb",
    "drv8889qwrgerq1.step",
    "drv8889qwrgerq1.lbr",
    "docs/hero.png",
    "docs/drv8889qwrgerq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DRV8889QWRGERQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/drv8889-q1",
    "parts": {
      "symbol": "drv8889qwrgerq1.kicad_sym",
      "footprint": "drv8889qwrgerq1.kicad_mod",
      "model_3d": "drv8889qwrgerq1-etched.glb",
      "model_3d_plain": "drv8889qwrgerq1.glb",
      "model_3d_step": "drv8889qwrgerq1-etched.step",
      "model_3d_step_plain": "drv8889qwrgerq1.step",
      "lbr": "drv8889qwrgerq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C701814"
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply input, 4.5V to 45V operating range; bypass with 0.01µF ceramic and bulk capacitor to GND."
      },
      {
        "number": "2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, internally shorted to other PGND pin; connect to system ground."
      },
      {
        "number": "3",
        "name": "AOUT1",
        "type": "output",
        "description": "Phase A motor winding output with 1.5A full-scale and 2.4A peak current capacity."
      },
      {
        "number": "4",
        "name": "AOUT2",
        "type": "output",
        "description": "Phase A motor winding output with 1.5A full-scale and 2.4A peak current capacity."
      },
      {
        "number": "5",
        "name": "BOUT2",
        "type": "output",
        "description": "Phase B motor winding output with 1.5A full-scale and 2.4A peak current capacity."
      },
      {
        "number": "6",
        "name": "BOUT1",
        "type": "output",
        "description": "Phase B motor winding output with 1.5A full-scale and 2.4A peak current capacity."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, internally shorted to other PGND pin; connect to system ground."
      },
      {
        "number": "8",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply input, 4.5V to 45V operating range; bypass with 0.01µF ceramic and bulk capacitor to GND."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; connect to system ground for proper circuit operation."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_in",
        "description": "Internal 5V regulator output for logic circuits; bypass with 0.47µF to 1µF X7R ceramic to GND."
      },
      {
        "number": "11",
        "name": "nFAULT",
        "type": "output",
        "description": "Open-drain fault indicator output pulled low on fault condition; maximum 5mA at 0.4V output."
      },
      {
        "number": "12",
        "name": "VREF",
        "type": "power_in",
        "description": "Current reference input, 0.05V to 3.3V maximum; 2.2V/A transconductance gain for full-scale current."
      },
      {
        "number": "13",
        "name": "nSCS",
        "type": "input",
        "description": "Serial chip select input active low with internal pull-up to DVDD; 50ns setup and hold time."
      },
      {
        "number": "14",
        "name": "VSDO",
        "type": "power_in",
        "description": "Power supply for SDO output buffer, 2.9V to 5.5V range; selects output logic level."
      },
      {
        "number": "15",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output push-pull stage; data shifted on SCLK rising edge with 30ns propagation delay."
      },
      {
        "number": "16",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input sampled on SCLK falling edge with 20ns setup and 30ns hold time requirement."
      },
      {
        "number": "17",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input with 100ns minimum period; timing reference for SPI data transfer."
      },
      {
        "number": "18",
        "name": "STEP",
        "type": "input",
        "description": "Step input; rising edge advances microstepper one step with internal pull-down; up to 500kHz, 970ns minimum pulse."
      },
      {
        "number": "19",
        "name": "DIR",
        "type": "input",
        "description": "Direction input; logic level sets stepper direction with internal pull-down; 200ns setup before STEP rising edge."
      },
      {
        "number": "20",
        "name": "DRVOFF",
        "type": "input",
        "description": "Motor output disable control; high disables H-bridge outputs, low enables; internal pull-up to DVDD."
      },
      {
        "number": "21",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; high enables device operation, low enters low-power sleep at 2µA; 75µs sleep time."
      },
      {
        "number": "22",
        "name": "CPL",
        "type": "passive",
        "description": "Charge pump negative switching node; connect 0.022µF X7R ceramic capacitor between CPL and CPH pins."
      },
      {
        "number": "23",
        "name": "CPH",
        "type": "passive",
        "description": "Charge pump positive switching node at 400kHz; connect 0.022µF X7R ceramic capacitor to CPL pin."
      },
      {
        "number": "24",
        "name": "VCP",
        "type": "power_out",
        "description": "Charge pump output for high-side FET gate drive; connect 0.22µF 16V X7R ceramic capacitor to VM."
      },
      {
        "number": "25",
        "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": [
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 87,
        "cost_usd": 0.7895,
        "at": "2026-09-23T02:22:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/drv8889-q1",
        "pages": 87,
        "sha256": "133d373031764255",
        "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": "drv8889qwrgerq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8889qwrgerq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17096c4de432ad4c31f86a860792618a15cee3a32afa50d12ebca29813fd938d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}