TMI8837S

{
  "schema_version": 1,
  "type": "component",
  "slug": "tmi8837s",
  "title": "TMI8837S",
  "brief": "TMI Brushed DC Motor Drivers, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "motor driver ics",
    "tmi8837s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TMI8837S",
    "manufacturer": "TMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Motor Driver ICs",
    "subcategory": "Brushed DC Motor Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894520373358592",
    "parts": {
      "symbol": "tmi8837s.kicad_sym",
      "footprint": "tmi8837s.kicad_mod",
      "model_3d": "tmi8837s-hero.glb",
      "model_3d_plain": "tmi8837s-etched.glb",
      "model_3d_step": "tmi8837s-etched.step",
      "model_3d_step_plain": "tmi8837s.step",
      "lbr": "tmi8837s.lbr"
    },
    "distributor_links": {
      "lcsc": "C2829091"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:04:13Z",
      "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": "Power supply for the driver: connect a 0.1μF ceramic bypass capacitor to GND, and a bulk capacitor of at least 22μF on VM to GND is needed to stabilize VM during motor operation; VM range is 1.8V to 11V."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "output",
        "description": "Motor driver output 1 (H-bridge output); voltage is limited to -0.3V to Vin+0.3V per the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "output",
        "description": "Motor driver output 2 (H-bridge output); voltage is limited to -0.3V to Vin+0.3V per the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "5",
        "name": "IN2",
        "type": "input",
        "description": "PWM input 2 controlling the H-bridge; logic inputs are rated -0.3V to 7V absolute maximum, with thresholds referenced to VCC."
      },
      {
        "number": "6",
        "name": "IN1",
        "type": "input",
        "description": "PWM input 1 controlling the H-bridge; logic inputs are rated -0.3V to 7V absolute maximum, with thresholds referenced to 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; it has an internal 100kΩ pull-down to GND and is rated -0.3V to 7V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply for logic inputs, 1.8V to 7V; connect a 0.1μF ceramic bypass capacitor to GND."
      }
    ],
    "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 SOP8 top-view pin diagram is an image and is not present in the extracted text. Pin numbers were; The datasheet gives no separate pin-level electrical limits for OUT1/OUT2 beyond the absolute maximu"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0369,
        "at": "2026-10-19T07:01:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894520373358592",
        "pages": 10,
        "sha256": "8ec751b87f560bb8",
        "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": "tmi8837s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmi8837s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "eea0ebd17f55e8f1d076627c573311aa86009bbc6e47b7f8b87f47fecbfe852b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TMI",
      "Package": "SOP-8",
      "Category": "Motor Driver ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8ec751b87f560bb8454a3bd896774d93221a7af629e71ac1ef29a975be9103a0",
      "rows": [
        {
          "name": "Recommended Voltage Range VM",
          "symbol": "VM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 11,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VM Voltage Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 11,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VCC, IN1, IN2, EN Voltages Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OUT1, OUT2 Voltage Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -50,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "VM Voltage Range",
          "symbol": "VVM",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 11,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC Voltage Range",
          "symbol": "VVCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VM sleep mode supply current",
          "symbol": "IVMQ",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 45,
          "max": 95,
          "conditions": "VM=5V, VCC=3V, Sleep Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC sleep mode supply current",
          "symbol": "IVCCQ",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 17,
          "max": 35,
          "conditions": "VM=5V, VCC=3V, Sleep Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Low Voltage Falling Threshold",
          "symbol": "VIL_F",
          "kind": "electrical",
          "unit": "x VCC",
          "min": 0.25,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic High Voltage Rising Threshold",
          "symbol": "VIH_R",
          "kind": "electrical",
          "unit": "x VCC",
          "min": 0.5,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic Low Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Switch Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "nA",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Current Protection",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "A",
          "min": 1.6,
          "typ": null,
          "max": 1.75,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Enable time",
          "symbol": "T1",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 180,
          "max": 265,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Disable time",
          "symbol": "T2",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 70,
          "max": 100,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Delay Time IN1 low to OUT2 high / IN2 low to OUT1 high",
          "symbol": "T3",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 140,
          "max": 215,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Delay Time IN2 high to OUT1 low / IN1 high to OUT2 low",
          "symbol": "T4",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 160,
          "max": 240,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output rise time",
          "symbol": "T5",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 60,
          "max": 120,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output fall time",
          "symbol": "T6",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 38,
          "max": 100,
          "conditions": "VIN=5V, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VM Supply Current",
          "symbol": "IVM",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 124,
          "max": null,
          "conditions": "VM=5V, VCC=3V, No PWM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC Supply Current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "VM=5V, VCC=3V, No PWM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input logic Hysteresis",
          "symbol": "VHYS",
          "kind": "electrical",
          "unit": "x VCC",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Logic High Current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Pull Down Resistor",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Switch On-Resistance (HS+LS)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.65,
          "max": null,
          "conditions": "VM=5V, VCC=3V, Iload=800mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO Voltage",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "UVLO Hysteresis",
          "symbol": "VUVLO_HY",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Current Retry Time",
          "symbol": "TOCP_RT",
          "kind": "electrical",
          "unit": "ms",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSDN",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSDN_HY",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance θJA of SOP8",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "SOP8 package",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tmi8837s"
  ],
  "discovery_pitch": "TMI8837S (TMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmi8837s.kicad_sym",
    "tmi8837s.kicad_mod",
    "tmi8837s.glb",
    "tmi8837s.step",
    "tmi8837s.lbr",
    "docs/hero.png",
    "docs/tmi8837s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmi8837s-hero.glb",
    "tmi8837s-hero.overlay.json",
    "tmi8837s-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}