GR7889

{
  "slug": "gr7889",
  "version": "0.1.0",
  "type": "component",
  "description": "GR Brushed DC Motor Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "gr7889",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gr7889.kicad_sym",
    "gr7889.kicad_mod",
    "gr7889.glb",
    "gr7889.step",
    "gr7889.lbr",
    "docs/hero.png",
    "docs/gr7889-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gr7889-hero.glb",
    "gr7889-hero.overlay.json",
    "gr7889-etched.glb"
  ],
  "component": {
    "mpn": "GR7889",
    "manufacturer": "GR",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Brushed DC Motor Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907627868004352",
    "parts": {
      "symbol": "gr7889.kicad_sym",
      "footprint": "gr7889.kicad_mod",
      "model_3d": "gr7889-hero.glb",
      "model_3d_plain": "gr7889-etched.glb",
      "model_3d_step": "gr7889-etched.step",
      "model_3d_step_plain": "gr7889.step",
      "lbr": "gr7889.lbr"
    },
    "distributor_links": {
      "lcsc": "C18164465"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T16:25:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INA",
        "type": "input",
        "description": "Control signal input for channel A; the datasheet specifies VINL 0 to 0.7 V and VINH 2 to 6 V for INA and INB."
      },
      {
        "number": "2",
        "name": "INB",
        "type": "input",
        "description": "Control signal input for channel B; the datasheet specifies VINL 0 to 0.7 V and VINH 2 to 6 V for INA and INB."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground for the device."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin with an operating range of 2 to 20 V and an absolute maximum of -0.3 to +23 V."
      },
      {
        "number": "5",
        "name": "OB",
        "type": "output",
        "description": "Channel B driver output, bonded in parallel with pin 6; the datasheet requires adequate copper pour around OA and OB for heat dissipation when driving large loads."
      },
      {
        "number": "6",
        "name": "OB",
        "type": "output",
        "description": "Channel B driver output, bonded in parallel with pin 5; the datasheet requires adequate copper pour around OA and OB for heat dissipation when driving large loads."
      },
      {
        "number": "7",
        "name": "OA",
        "type": "output",
        "description": "Channel A driver output, bonded in parallel with pin 8; the datasheet requires adequate copper pour around OA and OB for heat dissipation when driving large loads."
      },
      {
        "number": "8",
        "name": "OA",
        "type": "output",
        "description": "Channel A driver output, bonded in parallel with pin 7; the datasheet requires adequate copper pour around OA and OB for heat dissipation when driving large loads."
      }
    ],
    "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 pin table on page 1 is shared by the DIP8 and SOP8 variants. The SOP8 outline drawing on page 5 ; Pins 5 and 6 are both printed as OB, and pins 7 and 8 are both printed as OA. The datasheet does not; The logic table on page 2 notes that OA and OB are open-drain in the standby/Z state, with voltage s"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0285,
        "at": "2026-10-17T16:23:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590907627868004352",
        "pages": 5,
        "sha256": "f458b3b0cce10d88",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gr7889.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gr7889-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1b0123b9da9c4c36a407538bca0abc401648367cfa8426a5de03cdf4f6f2256d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}