MS7899

{
  "slug": "ms7899",
  "version": "0.1.0",
  "type": "component",
  "description": "MSKSEMI Brushed DC Motor Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "ms7899",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ms7899.kicad_sym",
    "ms7899.kicad_mod",
    "ms7899.glb",
    "ms7899.step",
    "ms7899.lbr",
    "docs/hero.png",
    "docs/ms7899-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ms7899-hero.glb",
    "ms7899-hero.overlay.json",
    "ms7899-etched.glb"
  ],
  "component": {
    "mpn": "MS7899",
    "manufacturer": "MSKSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Brushed DC Motor Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d28dde5cd612687714b9993b32c8cd29.pdf",
    "parts": {
      "symbol": "ms7899.kicad_sym",
      "footprint": "ms7899.kicad_mod",
      "model_3d": "ms7899-hero.glb",
      "model_3d_plain": "ms7899-etched.glb",
      "model_3d_step": "ms7899-etched.step",
      "model_3d_step_plain": "ms7899.step",
      "lbr": "ms7899.lbr"
    },
    "distributor_links": {
      "lcsc": "C47020990"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:13:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BI",
        "type": "input",
        "description": "Backward (reverse) logic input that, together with FI, selects forward, reverse, brake or stop mode; input high level must be at least 2.2 V and input low level at most 0.7 V, with inputs rated -0.3 V to 6.5 V."
      },
      {
        "number": "2",
        "name": "FI",
        "type": "input",
        "description": "Forward logic input that, together with BI, selects forward, reverse, brake or stop mode; input high level must be at least 2.2 V and input low level at most 0.7 V, with inputs rated -0.3 V to 6.5 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltage values in the datasheet are referenced to this terminal."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Motor/power supply input with a recommended operating range of 3 V to 30 V (absolute maximum 33 V), which also has an undervoltage lockout threshold of 1.9 V to 2.8 V (typ. 2.2 V)."
      },
      {
        "number": "5",
        "name": "FO",
        "type": "output",
        "description": "Forward H-bridge output (bonded together with pin 6) that delivers up to 6.0 A continuous output current under the recommended conditions."
      },
      {
        "number": "6",
        "name": "FO",
        "type": "output",
        "description": "Forward H-bridge output (bonded together with pin 5) that delivers up to 6.0 A continuous output current under the recommended conditions."
      },
      {
        "number": "7",
        "name": "BO",
        "type": "output",
        "description": "Backward H-bridge output (bonded together with pin 8) that delivers up to 6.0 A continuous output current under the recommended conditions."
      },
      {
        "number": "8",
        "name": "BO",
        "type": "output",
        "description": "Backward H-bridge output (bonded together with pin 7) that delivers up to 6.0 A continuous output current under the recommended conditions."
      }
    ],
    "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 datasheet lists FO on pins 5 and 6 and BO on pins 7 and 8 as shared nets, but the pin diagram te; The application notes (page 6) recommend leaving BI/FI floating, but the same passage describes leak; Page 4 gives the recommended supply range of 3 V to 30 V while the electrical table lists the operat"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0286,
        "at": "2026-10-18T03:12:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d28dde5cd612687714b9993b32c8cd29.pdf",
        "pages": 10,
        "sha256": "5c9a28f2dc143255",
        "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": "ms7899.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms7899-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": "aa823158fdf0ed33a8a4c21190d08908de58820a232a70510b63c92193318db5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}