TMI8837

{
  "slug": "tmi8837",
  "version": "0.1.0",
  "type": "component",
  "description": "TMI Motor Driver ICs, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tmi8837",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmi8837.kicad_sym",
    "tmi8837.kicad_mod",
    "tmi8837.glb",
    "tmi8837.step",
    "tmi8837.lbr",
    "docs/hero.png",
    "docs/tmi8837-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmi8837-hero.glb",
    "tmi8837-hero.overlay.json",
    "tmi8837-etched.glb"
  ],
  "component": {
    "mpn": "TMI8837",
    "manufacturer": "TMI",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "Motor Driver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/73437f9f52369856c8fe8ec8d6894301.pdf",
    "parts": {
      "symbol": "tmi8837.kicad_sym",
      "footprint": "tmi8837.kicad_mod",
      "model_3d": "tmi8837-hero.glb",
      "model_3d_plain": "tmi8837-etched.glb",
      "model_3d_step": "tmi8837-etched.step",
      "model_3d_step_plain": "tmi8837.step",
      "lbr": "tmi8837.lbr"
    },
    "distributor_links": {
      "lcsc": "C478955"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:49:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VM",
        "type": "power_in",
        "description": "Power supply for the driver, operating from 1.8 V to 11 V; connect a 0.1μF ceramic bypass capacitor to GND and at least 22μF bulk capacitance on VM to GND to stabilize VM during motor operation."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Motor driver output 1; absolute maximum voltage range is -0.3 V to Vin+0.3 V."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Motor driver output 2; absolute maximum voltage range is -0.3 V to Vin+0.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "5",
        "name": "IN2",
        "type": "input",
        "description": "PWM input 2 controlling the H-bridge per the input/output logic table; logic thresholds are referenced to VCC (VIH 0.5x to 0.6x VCC, VIL 0.25x to 0.4x VCC)."
      },
      {
        "number": "6",
        "name": "IN1",
        "type": "input",
        "description": "PWM input 1 controlling the H-bridge per the input/output logic table; logic thresholds are referenced to VCC (VIH 0.5x to 0.6x VCC, VIL 0.25x to 0.4x VCC)."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Chip enable input; logic low puts the device into low-power sleep mode and logic high enables normal operation, with an internal pull-down resistor to GND."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply for logic inputs, operating from 1.8 V to 7 V; connect a 0.1μF ceramic bypass capacitor to GND."
      },
      {
        "number": "9",
        "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 DFN2x2-8 package has an exposed thermal pad (the package hint says EP), but the datasheet pin ta; The top view of the DFN2x2-8 package is shown as an image that is not in the extracted text, so pin "
        ],
        "pages_sent": 10,
        "cost_usd": 0.03,
        "at": "2026-10-21T17:42:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/73437f9f52369856c8fe8ec8d6894301.pdf",
        "pages": 10,
        "sha256": "8ec751b87f560bb8",
        "source_tier": "lcsc"
      },
      "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": "tmi8837.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmi8837-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5eb4f3fd78751c1ca19d26b19bd8efed5c07b86dec5e900be79838c9e5bc93dc",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}