main
Ray drv8837: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 80bdf22 27d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "drv8837",
  "title": "DRV8837",
  "brief": "TI low-voltage brushed DC motor driver, WSON-8. Single H-bridge, 0-11 V, 1.8 A peak, PWM control with sleep. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "driver",
    "motor-driver",
    "h-bridge",
    "brushed-dc",
    "wson-8",
    "texas-instruments"
  ],
  "component": {
    "mpn": "DRV8837",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8",
    "pin_count": 9,
    "category": "Driver",
    "subcategory": "Brushed DC motor driver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/drv8837.pdf",
    "parts": {
      "symbol": "drv8837.kicad_sym",
      "footprint": "drv8837.kicad_mod",
      "model_3d": "drv8837-etched.glb",
      "model_3d_plain": "drv8837.glb",
      "model_3d_step": "drv8837-etched.step",
      "model_3d_step_plain": "drv8837.step",
      "lbr": "drv8837.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply, 0 V to 11 V. Bypass to GND with a 0.1-µF ceramic capacitor rated for VM."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "H-bridge motor output 1. Connect to one side of the motor winding. Sources/sinks up to 1.8 A."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "H-bridge motor output 2. Connect to the other side of the motor winding. Sources/sinks up to 1.8 A."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Must be connected to ground; tie to the exposed thermal pad for heat dissipation."
      },
      {
        "number": "5",
        "name": "IN2",
        "type": "input",
        "description": "IN2 logic input for the PWM control interface. Together with IN1 sets the H-bridge state (forward/reverse/brake/coast). Referenced to VCC logic levels (1.8-7 V)."
      },
      {
        "number": "6",
        "name": "IN1",
        "type": "input",
        "description": "IN1 logic input for the PWM control interface. Together with IN2 sets the H-bridge state. Referenced to VCC logic levels (1.8-7 V)."
      },
      {
        "number": "7",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input (active-low). Logic low places the device in low-power sleep (120 nA max). Logic high enables normal operation. Internal pulldown."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic power supply, 1.8 V to 7 V. Bypass to GND with a 0.1-µF ceramic capacitor rated for VCC."
      },
      {
        "number": "PAD",
        "name": "PAD",
        "type": "passive",
        "description": "Exposed thermal pad on the underside of the WSON package. Must be soldered to the PCB GND plane for proper thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/drv8837.pdf",
        "pages": 30,
        "sha256": "102a7857087ac716",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "drv8837.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7672cac8d88d8679800ef3bf90954e7996ea74e8ddb1f157f2d82bca6b2015e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "drv8837-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e3398941f0d03d19ebb8da504d3bca61786ed6a8b87f0d0f6df413b822705915",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Brushed DC motor driver (single H-bridge)",
      "Supply (VM)": "0-11 V",
      "Peak current": "1.8 A",
      "RDS(on)": "280 mOhm (HS + LS, typ)",
      "Control": "PWM via IN1 / IN2",
      "Sleep current": "< 1 uA (nSLEEP low)",
      "Protection": "UVLO, OCP, OTP",
      "Package": "WSON-8 (2x2 mm)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "drv8837",
    "low voltage motor driver",
    "small h-bridge ic",
    "1.8a motor driver"
  ],
  "discovery_pitch": "TI DRV8837 low-voltage brushed DC motor driver (WSON-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "drv8837.kicad_sym",
    "drv8837.kicad_mod",
    "drv8837.glb",
    "drv8837.step",
    "drv8837.lbr",
    "docs/hero.png",
    "docs/drv8837-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "drv8837-etched.step"
  ],
  "variants": [
    {
      "mpn": "DRV8837DSGR (WSON-8, tape & reel)",
      "kind": "packaging"
    },
    {
      "mpn": "DRV8837CDSGR (WSON-8, 1.8 V logic)",
      "kind": "packaging"
    }
  ]
}