Implement your servo controller in a day with the TMC4671 from Trinamic

Implement your servo controller in a day with the TMC4671

The TMC4671 is the world’s first fully integrated servo controller IC with field-oriented control for BLDC/PMSM and 2-phase stepper motors, DC motors, and voice coils. 

The trend towards automating everything around us has increased the demand for energy efficient control even of the smallest motors, so the focus on reducing energy consumption has shifted from large motors also to the smaller, embedded applications, where the use of large inverters is no option.

The TMC4671 addresses this market by embedding all necessary control loops in rugged, reliable state-machines. By offloading real-time critical tasks from the processor and software and implementing all control functions in hardware, the TMC4671 offers a crucial benefit: it takes care of all control functions itself. Integrated ADCs, position sensor interfaces, and position interpolators enable a fully functional servo controller for a wide range of servo applications such as robotics, pick and place machines, factory automation, e-mobility, lab automation, and blowers.

The TMC4671 is designed to rapidly decrease time to market for highly performant servo controllers while maximizing drive efficiency as well as dynamics. With all time critical calculations in hardware, just a few lines of code are necessary to develop a dynamic servo controller.

Besides the IC, Trinamic will also offer the TMC4671-BOB and TMC4671-EVAL for Trinamic’s modular Landungsbrücke Evaluation System.

Together with Trinamic’s powerful tools including TMCL-IDE, this speeds up development and design-in processes considerably.

Features and benefits:

  • Servo controller with field-oriented control
  • Torque control (FOC), velocity control, position control
  • Feed-forward control inputs
  • Integrated ADCs, delta sigma-ADC frontend
  • Encoder engine: Hall analog/digital, encoder analog/digital
  • Supports 3-phase PMSM/BLDC, 2-phase stepper motors, and DC motors
  • Advanced PWM engine (25kHz… 100kHz)
  • Application SPI + debug (UART, SPI)
  • Step-direction interface (S/D) 



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