TMC4671 – MEV Elektronik GmbH
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FOC Motion-Controller for 2- & 3-Phase Motors (BLDC, PMSM & Stepper)

The TMC4671 is a fully integrated servo controller, providing Field Oriented Control for BLDC/PMSM and 2-phase Stepper Motors as well as DC motors and voice coils.

All control functions are implemented in hardware. Integrated ADCs, position sensor interfaces, position interpolators, enable a fully functional servo controller for a wide range of servo applications.


  • Servo Controller w/ Field Oriented Control (FOC)
  • 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 and DC Motors
  • Advanced PWM Engine (25kHz. . . 100kHz)
  • Application SPI + Debug (UART, SPI)
  • Step-Direction Interface (S/D)

Technical Data


Motor Type: BLDC, PMSM
Voice Coil
No. Axes: 1
Core Supply: 1,65…1,95V
Digital I/O supply 3,3V
Interfaces: SPI, PWM, Step/Direction
End- [&] Ref.-Switch inputs: 3
Encoder interface: ABN, HALL, Analog
Closed loop servo drive Field Oriented Control (FOC)
Package: QFN76 10,5×6,5mm
Order code: TMC4671-LA


TMC4671-LA datasheet
TMC4671-ES datasheet

AN 005u: PCB Footprint Guidelines QFN76
AN025: DC Motor Control with TMC4671
AN 064: How to Run a Linear Motor With TMC4671

Related Videos

TMC4671 Disc Demo
Trinamic TMC4671 Servo Controller with Field Oriented Control / FOC
How to set up the TMC4671 FOC Servo Controller
What is FOC? (Field Oriented Control) and why you should use it!

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