TMC2660C-PA-T

{
  "slug": "tmc2660c-pa-t",
  "version": "0.1.0",
  "type": "component",
  "description": "TRINAMIC Motion Control GmbH Stepper Motor Driver, PQFP-44. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "motor driver ics",
    "tmc2660c-pa-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
    "tmc2660c-pa-t.kicad_sym",
    "tmc2660c-pa-t.kicad_mod",
    "tmc2660c-pa-t.glb",
    "tmc2660c-pa-t.step",
    "tmc2660c-pa-t.lbr",
    "docs/hero.png",
    "docs/tmc2660c-pa-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmc2660c-pa-t-hero.glb",
    "tmc2660c-pa-t-hero.overlay.json",
    "tmc2660c-pa-t-etched.glb"
  ],
  "component": {
    "mpn": "TMC2660C-PA-T",
    "manufacturer": "TRINAMIC Motion Control GmbH",
    "package": "PQFP-44",
    "pin_count": 44,
    "category": "Motor Driver ICs",
    "subcategory": "Stepper Motor Driver",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946082055667712",
    "parts": {
      "symbol": "tmc2660c-pa-t.kicad_sym",
      "footprint": "tmc2660c-pa-t.kicad_mod",
      "model_3d": "tmc2660c-pa-t-hero.glb",
      "model_3d_plain": "tmc2660c-pa-t-etched.glb",
      "model_3d_step": "tmc2660c-pa-t-etched.step",
      "model_3d_step_plain": "tmc2660c-pa-t.step",
      "lbr": "tmc2660c-pa-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2927052"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:24:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "n.c.",
        "type": "unconnected",
        "description": "No internal connection - can be tied to any net, e.g., in order to improve power routing to pins VSA and VSB."
      },
      {
        "number": "2",
        "name": "OA1",
        "type": "output",
        "description": "Bridge A1 output; interconnect all OA1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "3",
        "name": "OA1",
        "type": "output",
        "description": "Bridge A1 output; interconnect all OA1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "4",
        "name": "VSA",
        "type": "power_in",
        "description": "Bridge A/B positive power supply; connect to VS and provide sufficient filtering capacity for chopper current ripple."
      },
      {
        "number": "5",
        "name": "OA2",
        "type": "output",
        "description": "Bridge A2 output; interconnect all OA2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "6",
        "name": "OA2",
        "type": "output",
        "description": "Bridge A2 output; interconnect all OA2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "7",
        "name": "OA1",
        "type": "output",
        "description": "Bridge A1 output; interconnect all OA1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "8",
        "name": "OA1",
        "type": "output",
        "description": "Bridge A1 output; interconnect all OA1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "9",
        "name": "BRA",
        "type": "input",
        "description": "Bridge A negative power supply via sense resistor at the bridge foot point."
      },
      {
        "number": "10",
        "name": "OA2",
        "type": "output",
        "description": "Bridge A2 output; interconnect all OA2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "11",
        "name": "OA2",
        "type": "output",
        "description": "Bridge A2 output; interconnect all OA2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "12",
        "name": "SRA",
        "type": "input",
        "description": "Sense resistor input for chopper current regulation of bridge A."
      },
      {
        "number": "13",
        "name": "5VOUT",
        "type": "power_out",
        "description": "Output of the on-chip 5V linear regulator used to supply the low-side MOSFETs and internal analog circuitry; an external 470nF ceramic capacitor to GND close to the pin is required."
      },
      {
        "number": "14",
        "name": "SDO",
        "type": "output",
        "description": "SPI serial data output (VIO level)."
      },
      {
        "number": "15",
        "name": "SDI (CFG3)",
        "type": "input",
        "description": "SPI data input; in standalone mode it selects microstep resolution (0: MRES=256 microsteps, 1: MRES=16 microsteps with interpolation)."
      },
      {
        "number": "16",
        "name": "SCK (CFG2)",
        "type": "input",
        "description": "SPI serial clock input; in standalone mode it selects chopper hysteresis (0: HEND=4, HSTRT=2; 1: HEND=4, HSTRT=6)."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Digital and analog low power ground; directly connect all GND pins to a common ground area."
      },
      {
        "number": "18",
        "name": "CSN (CFG1)",
        "type": "input",
        "description": "SPI chip select input; in standalone mode it selects current scale (0: CS=15, 1: CS=31)."
      },
      {
        "number": "19",
        "name": "ENN",
        "type": "input",
        "description": "Power MOSFET enable input (active low); all MOSFETs are switched off when disabled."
      },
      {
        "number": "20",
        "name": "n.c.",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "21",
        "name": "CLK",
        "type": "input",
        "description": "System clock input for all internal operations; tie low to use the on-chip oscillator, a high signal disables the on-chip oscillator until power down."
      },
      {
        "number": "22",
        "name": "SRB",
        "type": "input",
        "description": "Sense resistor input for chopper current regulation of bridge B."
      },
      {
        "number": "23",
        "name": "OB2",
        "type": "output",
        "description": "Bridge B2 output; interconnect all OB2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "24",
        "name": "OB2",
        "type": "output",
        "description": "Bridge B2 output; interconnect all OB2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "25",
        "name": "BRB",
        "type": "input",
        "description": "Bridge B negative power supply via sense resistor at the bridge foot point."
      },
      {
        "number": "26",
        "name": "OB1",
        "type": "output",
        "description": "Bridge B1 output; interconnect all OB1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "27",
        "name": "OB1",
        "type": "output",
        "description": "Bridge B1 output; interconnect all OB1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "28",
        "name": "OB2",
        "type": "output",
        "description": "Bridge B2 output; interconnect all OB2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "29",
        "name": "OB2",
        "type": "output",
        "description": "Bridge B2 output; interconnect all OB2 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "30",
        "name": "VSB",
        "type": "power_in",
        "description": "Bridge A/B positive power supply; connect to VS and provide sufficient filtering capacity for chopper current ripple."
      },
      {
        "number": "31",
        "name": "OB1",
        "type": "output",
        "description": "Bridge B1 output; interconnect all OB1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "32",
        "name": "OB1",
        "type": "output",
        "description": "Bridge B1 output; interconnect all OB1 pins using thick traces capable of carrying the motor current and distributing heat into the PCB."
      },
      {
        "number": "33",
        "name": "n.c.",
        "type": "unconnected",
        "description": "No internal connection - can be tied to any net, e.g., in order to improve power routing to pins VSA and VSB."
      },
      {
        "number": "34",
        "name": "n.c.",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "35",
        "name": "VHS",
        "type": "power_out",
        "description": "High-side supply voltage, stated as motor supply voltage minus 10V."
      },
      {
        "number": "36",
        "name": "VS",
        "type": "power_in",
        "description": "Motor supply voltage."
      },
      {
        "number": "37",
        "name": "TST_ANA / ST_ALONE",
        "type": "bidirectional",
        "description": "C-Type only: tie to VCC_IO for non-SPI stand-alone mode (internal 10k pulldown); non-C-type: leave open for normal operation."
      },
      {
        "number": "38",
        "name": "SG_TST",
        "type": "output",
        "description": "StallGuard2 output that signals a motor stall (active high)."
      },
      {
        "number": "39",
        "name": "GND",
        "type": "power_in",
        "description": "Digital and analog low power ground; directly connect all GND pins to a common ground area."
      },
      {
        "number": "40",
        "name": "VCC_IO",
        "type": "power_in",
        "description": "Input/output supply voltage VIO for all digital pins; operation is allowed in 3.3V and 5V systems (VIO 3.00 V to 5.25 V)."
      },
      {
        "number": "41",
        "name": "DIR",
        "type": "input",
        "description": "Direction input sampled on an active STEP edge: a low level increases and a high level decreases the microstep counter; a 60-ns internal glitch filter rejects short pulses."
      },
      {
        "number": "42",
        "name": "STEP",
        "type": "input",
        "description": "Step input; active edges can be rising or both rising and falling as set by the DEDGE mode bit; a 60-ns internal glitch filter rejects short pulses."
      },
      {
        "number": "43",
        "name": "TST_MODE",
        "type": "input",
        "description": "Test mode input that puts the IC into test mode; tie to GND for normal operation."
      },
      {
        "number": "44",
        "name": "GND",
        "type": "power_in",
        "description": "Digital and analog low power ground; directly connect all GND pins to a common ground area."
      }
    ],
    "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: Datasheet lists these as n.c. (no internal connection); pins 1 and 33 may be tied to any net to impr; Figure 2.1 pin map is garbled in the text extraction; pin numbers were taken from the Section 2.2 si; VHS is described only as 'High-side supply voltage (motor supply voltage - 10V)'; the output (power_"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1123,
        "at": "2026-10-17T23:23:41"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588946082055667712",
        "pages": 58,
        "sha256": "22f6d50055ccf39c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "506bc1330ff41b569f7f41ec15c74ca09b1a78d4a92948b6e8fc77180ccbde0f",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmc2660c-pa-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7f0d81e3d588bac23bf6fb30a06900f414bf7aa177957aaad4d62b2aa7416da8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}