component
TMC2660C-PA-T
Public Made by Adomby adom
TRINAMIC Motion Control GmbH Stepper Motor Driver, PQFP-44. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tmc2660c-pa-t",
"title": "TMC2660C-PA-T",
"brief": "TRINAMIC Motion Control GmbH Stepper Motor Driver, PQFP-44. 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",
"tmc2660c-pa-t",
"factory-2.0.0",
"extractor-text"
],
"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": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tmc2660c-pa-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
13.2,
13.2,
2.125
],
"zmin_mm": 0,
"centre_offset_mm": 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": [
13.2,
13.2,
2.125
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "7f0d81e3d588bac23bf6fb30a06900f414bf7aa177957aaad4d62b2aa7416da8",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "TRINAMIC Motion Control GmbH",
"Package": "PQFP-44",
"Category": "Motor Driver ICs",
"Pins": "44"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "22f6d50055ccf39ccd26e337d35b1ee4d0ab7dcf55db6acc0e75aa91b8dd5588",
"rows": [
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Supply voltage TMC2660C",
"symbol": "VVS",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 29,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "I/O supply voltage",
"symbol": "VVIO",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": null,
"max": 5.25,
"conditions": "",
"source_page": 52,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VVS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Supply voltage when disabled",
"symbol": "VVSDIS",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 60,
"conditions": "(ENN VVIO) with IOXX=0",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Logic supply voltage",
"symbol": "VVCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "I/O supply voltage",
"symbol": "VVIO",
"kind": "absolute_maximum",
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"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Logic input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "max printed as VVIO+0.5",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Analog input voltage",
"symbol": "VIA",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": null,
"conditions": "max printed as VCC+0.5",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Relative high-side gate driver voltage (VVM – VHS)",
"symbol": "VHSVM",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Maximum current to/from digital pins and analog low voltage I/Os",
"symbol": "IIO",
"kind": "absolute_maximum",
"unit": "mA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Bridge output peak current",
"symbol": "IOP",
"kind": "absolute_maximum",
"unit": "A",
"min": -7,
"typ": null,
"max": 7,
"conditions": "10µs pulse",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (running)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "20cm² board with sample layout, TA ≤ 50°C, ≤40kHz chopper, fastest slope, running >4 fullsteps/s",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (duty cycle)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "20cm² board, TA ≤ 50°C, duty cycle 2s on 6s off",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (standstill)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.2,
"conditions": "20cm² board, TA ≤ 50°C, standstill, single coil on (halfstep position)",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (running)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.2,
"conditions": "50cm² board with sample layout, TA ≤ 50°C, ≤40kHz chopper, fastest slope, running >4 fullsteps/s",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (duty cycle)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.8,
"conditions": "50cm² board, TA ≤ 50°C, duty cycle 2s on 6s off",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (standstill)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2.4,
"conditions": "50cm² board, TA ≤ 50°C, standstill, single coil on (halfstep position)",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (running)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1.6,
"conditions": "20cm² board, TA ≤ 85°C, ≤40kHz chopper, fastest slope, running >4 fullsteps/s",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (duty cycle)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 2,
"conditions": "20cm² board, TA ≤ 85°C, duty cycle 2s on 6s off",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (standstill)",
"symbol": "IOC",
"kind": "absolute_maximum",
"unit": "A",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "20cm² board, TA ≤ 85°C, standstill, single coil on (halfstep position)",
"source_page": 51,
"source": "datasheet"
},
{
"name": "Output current, RMS per coil (running)",
"symbol": "IOC",
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