TMC2209

{
  "schema_version": 1,
  "type": "component",
  "slug": "tmc2209",
  "title": "TMC2209",
  "brief": "Trinamic/ADI silent stepper motor driver, QFN-28. StealthChop2, StallGuard4, up to 2 A RMS, 1/256 microstep. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "driver",
    "motor-driver",
    "stepper-driver",
    "stealthchop",
    "qfn-28",
    "trinamic"
  ],
  "component": {
    "mpn": "TMC2209",
    "manufacturer": "Analog Devices (Trinamic)",
    "package": "QFN-28",
    "pin_count": 29,
    "category": "Driver",
    "subcategory": "Stepper motor driver",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/TMC2209_datasheet_rev1.09.pdf",
    "parts": {
      "symbol": "tmc2209.kicad_sym",
      "footprint": "tmc2209.kicad_mod",
      "model_3d": "tmc2209-etched.glb",
      "model_3d_plain": "tmc2209.glb",
      "model_3d_step": "tmc2209-etched.step",
      "model_3d_step_plain": "tmc2209.step",
      "lbr": "tmc2209.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OB2",
        "type": "output",
        "description": "Motor coil B output 2 (integrated H-bridge output)."
      },
      {
        "number": "2",
        "name": "ENN",
        "type": "input",
        "description": "Enable-not input. Driving this pin high switches the power stage off (all motor outputs floating)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. Connect to GND plane near the pin."
      },
      {
        "number": "4",
        "name": "CPO",
        "type": "passive",
        "description": "Charge-pump capacitor output. Tie to CPI through a 22nF 50V capacitor."
      },
      {
        "number": "5",
        "name": "CPI",
        "type": "passive",
        "description": "Charge-pump capacitor input. Tie to CPO using a 22nF 50V capacitor."
      },
      {
        "number": "6",
        "name": "VCP",
        "type": "passive",
        "description": "Charge-pump voltage. Tie to VS via a 100nF capacitor to bias the high-side gate drivers."
      },
      {
        "number": "7",
        "name": "SPREAD",
        "type": "input",
        "description": "Chopper mode selection input (internal pull-down): Low = StealthChop, High = SpreadCycle. May be left unconnected."
      },
      {
        "number": "8",
        "name": "5VOUT",
        "type": "power_out",
        "description": "Output of internal 5V regulator. Bypass with 2.2µF-4.7µF ceramic capacitor to GND near the pin, with the shortest possible loop to the GND pad."
      },
      {
        "number": "9",
        "name": "MS1_AD0",
        "type": "input",
        "description": "Microstep resolution configuration bit MS1 (internal pull-down). In UART mode selects UART slave address bit 0 (AD0). Combined MS2,MS1: 00=1/8, 01=1/32, 10=1/64, 11=1/16."
      },
      {
        "number": "10",
        "name": "MS2_AD1",
        "type": "input",
        "description": "Microstep resolution configuration bit MS2 (internal pull-down). In UART mode selects UART slave address bit 1 (AD1)."
      },
      {
        "number": "11",
        "name": "DIAG",
        "type": "output",
        "description": "Diagnostic and StallGuard output. Driven high on stall detection or driver error; error condition is cleared by ENN=high."
      },
      {
        "number": "12",
        "name": "INDEX",
        "type": "output",
        "description": "Configurable index output; provides an index pulse (one pulse per electrical revolution or overtemperature prewarning)."
      },
      {
        "number": "13",
        "name": "CLK",
        "type": "input",
        "description": "Clock input. Tie to GND with a short wire to use the internal oscillator, or supply an external clock."
      },
      {
        "number": "14",
        "name": "PDN_UART",
        "type": "bidirectional",
        "description": "Power-down control input (low = automatic standstill current reduction). Doubles as single-wire UART I/O; the power-down function can be disabled in UART mode."
      },
      {
        "number": "15",
        "name": "VCC_IO",
        "type": "power_in",
        "description": "3.3V to 5V I/O supply for all digital pins (does not power the IC logic core)."
      },
      {
        "number": "16",
        "name": "STEP",
        "type": "input",
        "description": "STEP input; each rising edge advances the motor by one microstep."
      },
      {
        "number": "17",
        "name": "VREF",
        "type": "input",
        "description": "Analog reference voltage for motor current scaling, or reference current for internal sense resistor mode."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. Connect to GND plane near the pin."
      },
      {
        "number": "19",
        "name": "DIR",
        "type": "input",
        "description": "Direction input (internal pull-down). Selects motor rotation direction."
      },
      {
        "number": "20",
        "name": "STDBY",
        "type": "input",
        "description": "Standby input (100kΩ internal pull-down). Pull high to disable the internal supply regulator and place the driver in a low-power state. May be left unconnected. Also drop VREF and pull ENN low during standby."
      },
      {
        "number": "21",
        "name": "OA2",
        "type": "output",
        "description": "Motor coil A output 2 (integrated H-bridge output)."
      },
      {
        "number": "22",
        "name": "VS",
        "type": "power_in",
        "description": "Motor supply voltage (4.75-29V). Provide filter capacitance near the pin with the shortest possible loop to the GND pad."
      },
      {
        "number": "23",
        "name": "BRA",
        "type": "passive",
        "description": "Sense-resistor connection for coil A. Place the sense resistor to GND near the pin, or tie to GND when using the internal sense resistor mode."
      },
      {
        "number": "24",
        "name": "OA1",
        "type": "output",
        "description": "Motor coil A output 1 (integrated H-bridge output)."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected. May be tied to GND for improved PCB routing."
      },
      {
        "number": "26",
        "name": "OB1",
        "type": "output",
        "description": "Motor coil B output 1 (integrated H-bridge output)."
      },
      {
        "number": "27",
        "name": "BRB",
        "type": "passive",
        "description": "Sense-resistor connection for coil B. Place the sense resistor to GND near the pin, or tie to GND when using the internal sense resistor mode."
      },
      {
        "number": "28",
        "name": "VS",
        "type": "power_in",
        "description": "Motor supply voltage (4.75-29V). Provide filter capacitance near the pin with the shortest possible loop to the GND pad."
      },
      {
        "number": "PAD",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed die pad. Connect to a GND plane through as many thermal vias as possible; serves as the GND return for the power drivers and analog circuitry."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/TMC2209_datasheet_rev1.09.pdf",
        "pages": 86,
        "sha256": "1d9e8eed9ad2edc1",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Type": "Bipolar stepper motor driver",
      "Supply": "4.75-29 V",
      "Current": "2 A RMS (2.8 A peak)",
      "Microstepping": "Up to 1/256",
      "Interface": "STEP/DIR + single-wire UART",
      "Features": "StealthChop2, SpreadCycle, StallGuard4 (sensorless homing)",
      "Package": "QFN-28 (5x5 mm)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tmc2209",
    "silent stepper driver",
    "stealthchop driver",
    "3d printer stepper driver"
  ],
  "discovery_pitch": "Trinamic/ADI TMC2209 silent stepper motor driver (QFN-28) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmc2209.kicad_sym",
    "tmc2209.kicad_mod",
    "tmc2209.glb",
    "tmc2209.step",
    "tmc2209.lbr",
    "docs/hero.png",
    "docs/tmc2209-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmc2209-etched.step"
  ],
  "variants": [
    {
      "mpn": "TMC2209-LA-T (QFN-28, tape & reel)",
      "kind": "packaging"
    }
  ]
}