MS3142

{
  "slug": "ms3142",
  "version": "0.1.0",
  "type": "component",
  "description": "Hangzhou Ruimeng Tech Stepper Motor Driver, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "ms3142",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ms3142.kicad_sym",
    "ms3142.kicad_mod",
    "ms3142.glb",
    "ms3142.step",
    "ms3142.lbr",
    "docs/hero.png",
    "docs/ms3142-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ms3142-hero.glb",
    "ms3142-hero.overlay.json",
    "ms3142-etched.glb"
  ],
  "component": {
    "mpn": "MS3142",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "MSOP-10-EP",
    "pin_count": 11,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909255486922752",
    "parts": {
      "symbol": "ms3142.kicad_sym",
      "footprint": "ms3142.kicad_mod",
      "model_3d": "ms3142-hero.glb",
      "model_3d_plain": "ms3142-etched.glb",
      "model_3d_step": "ms3142-etched.step",
      "model_3d_step_plain": "ms3142.step",
      "lbr": "ms3142.lbr"
    },
    "distributor_links": {
      "lcsc": "C1509053"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:26:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "input",
        "description": "Logic input for bridge 1 (OUT1/OUT2); high level requires VIN ≥ 2 V, low level VIN ≤ 0.8 V, with 300 mV hysteresis and an internal pull-down of 60-100 kΩ."
      },
      {
        "number": "2",
        "name": "IN2",
        "type": "input",
        "description": "Logic input for bridge 1 (OUT1/OUT2); high level requires VIN ≥ 2 V, low level VIN ≤ 0.8 V, with 300 mV hysteresis and an internal pull-down of 60-100 kΩ."
      },
      {
        "number": "3",
        "name": "VBB",
        "type": "power_in",
        "description": "Motor/bridge supply input; operating supply range is 4 V to 18 V, with an absolute maximum of 28 V."
      },
      {
        "number": "4",
        "name": "IN3",
        "type": "input",
        "description": "Logic input for bridge 2 (OUT3/OUT4); high level requires VIN ≥ 2 V, low level VIN ≤ 0.8 V, with 300 mV hysteresis and an internal pull-down of 60-100 kΩ."
      },
      {
        "number": "5",
        "name": "IN4",
        "type": "input",
        "description": "Logic input for bridge 2 (OUT3/OUT4); high level requires VIN ≥ 2 V, low level VIN ≤ 0.8 V, with 300 mV hysteresis and an internal pull-down of 60-100 kΩ."
      },
      {
        "number": "6",
        "name": "OUT4",
        "type": "output",
        "description": "Full-bridge output 4 (bridge 2); driver peak current is rated at 1.54 A and overcurrent protection trips at 2.5 A."
      },
      {
        "number": "7",
        "name": "OUT3",
        "type": "output",
        "description": "Full-bridge output 3 (bridge 2); driver peak current is rated at 1.54 A and overcurrent protection trips at 2.5 A."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "OUT2",
        "type": "output",
        "description": "Full-bridge output 2 (bridge 1); driver peak current is rated at 1.54 A and overcurrent protection trips at 2.5 A."
      },
      {
        "number": "10",
        "name": "OUT1",
        "type": "output",
        "description": "Full-bridge output 1 (bridge 1); driver peak current is rated at 1.54 A and overcurrent protection trips at 2.5 A."
      },
      {
        "number": "11",
        "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 datasheet says the MSOP10PP has a heat sink on its back (exposed pad), but the pin table and pac; The datasheet gives no separate definition for the GND/VBB pads beyond the function names; the suppl",
          "exposed pad 11 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0402,
        "at": "2026-10-18T14:24:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588909255486922752",
        "pages": 12,
        "sha256": "7b752a6e2989f371",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ms3142.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18605eed706df7bb9674107abe7aa36e0ba163a09c21a2cee6c75cfa291b7937",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms3142-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a77c5d1ca77ec6baa6d87b3402848bb1b475e48820131d88891114934d2ed641",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}