Power Driver for Stepper Motors

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The TMC2660 driver for two-phase stepper motors offers an industry-leading feature set, including high-resolution microstepping, sensorless mechanical load measurement, load-adaptive power optimization, and low-resonance chopper operation. Standard SPI™ and STEP/DIR interfaces simplify communication. Integrated power MOSFETs handle motor currents up to 2.2A RMS continuously or 2.8A RMS boost current per coil. Integrated protection and diagnostic features support robust and reliable operation. High integration, high energy efficiency and small form factor enable miniaturized designs with low external component count for cost-effective and highly competitive solutions.


• Textile, Sewing Machines
• Factory Automation
• Lab Automation
• Liquid Handling
• Medical
• Office Automation
• Printer and Scanner
• CCTV, Security
• ATM, Cash recycler
• Pumps and Valves
• Heliostat Controller
• CNC Machines

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized Trinamic distributor.


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Drive Capability up to 4A motor current
Voltage up to 30V DC
Highest Resolution up to 256 microsteps per full step
Compact Size 10x10mm QFP-44 package
Low Power Dissipation, very low RDSON & synchronous rectification
EMI-optimized programmable slope
Protection & Diagnostics overcurrent, short to GND, overtemperature & undervoltage
stallGuard2 high precision sensorless motor load detection
coolStep load dependent current control for energy savings up to 75%
microPlyer microstep interpolation for increased smoothness with coarse step inputs.
spreadCycle high-precision chopper for best current sine wave form and zero crossing


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Power Driver for Stepper Motors