main
Ray Publish 0.1.0 00563ef 10d ago
{
  "slug": "md9927esf4",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Motor Driver ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "md9927esf4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md9927esf4.kicad_sym",
    "md9927esf4.kicad_mod",
    "md9927esf4.glb",
    "md9927esf4.step",
    "md9927esf4.lbr",
    "docs/hero.png",
    "docs/md9927esf4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md9927esf4-hero.glb",
    "md9927esf4-hero.overlay.json",
    "md9927esf4-etched.glb"
  ],
  "component": {
    "mpn": "MD9927ESF4",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f00666574bf9d3a59c99fc3e3410eb5b.pdf",
    "parts": {
      "symbol": "md9927esf4.kicad_sym",
      "footprint": "md9927esf4.kicad_mod",
      "model_3d": "md9927esf4-hero.glb",
      "model_3d_plain": "md9927esf4-etched.glb",
      "model_3d_step": "md9927esf4-etched.step",
      "model_3d_step_plain": "md9927esf4.step",
      "lbr": "md9927esf4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2684787"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T23:07:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Motor power supply, operating from 0 to 12 V; bypass this pin to GND with a 0.1 µF ceramic capacitor rated for VM."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Motor output, connected to one end of the motor winding (H-bridge output 1)."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Motor output, connected to the other end of the motor winding (H-bridge output 2)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; this pin must be connected to ground."
      },
      {
        "number": "5",
        "name": "IN2",
        "type": "input",
        "description": "IN2 PWM input for the H-bridge; logic-level input with VIL and VIH thresholds scaled to VCC and an internal pulldown of about 100 kΩ."
      },
      {
        "number": "6",
        "name": "IN1",
        "type": "input",
        "description": "IN1 PWM input for the H-bridge; logic-level input with VIL and VIH thresholds scaled to VCC and an internal pulldown of about 100 kΩ."
      },
      {
        "number": "7",
        "name": "nSLEEP",
        "type": "input",
        "description": "Sleep mode input; logic low enters low-power sleep mode and logic high gives normal operation, with an internal pulldown of about 100 kΩ."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic power supply, operating from 1.8 to 7 V; bypass this pin to GND with a 0.1 µF ceramic capacitor rated for VCC."
      }
    ],
    "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 description table header reads 'SOIC-8' while the ordering table lists MD9927ESF4 as package; The datasheet provides no SOP8 thermal pad, so none is listed. The thermal pad is mentioned only for; Pin types are inferred from the function descriptions (power supply and ground pins as power_in, mot"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0407,
        "at": "2026-10-28T23:07:21"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f00666574bf9d3a59c99fc3e3410eb5b.pdf",
        "pages": 11,
        "sha256": "09a1b45e259fa9f4",
        "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": "md9927esf4.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md9927esf4-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": "5c7435f716363f31e235170aa593b5b5c5638a2df00d3395f37ceb15bf563847",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}