TMC2100 Silent Stepper motor driver

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Main features:

  • Compatible pinout with A4988 and DRV8825
  • Can drive up to 1.2A (RMS) continiously
  • Step / Dir interface with microsstep interpolation (up to 256 micro steps)
  • Can be configured via CFG pins
  • Motor supply voltage: 5.5V-45V
  • Logic voltage: 3.3V-5V
  • Heat dissipation at the top for better cooling performances
  • StealthChop : Smoother motions and Quiet operation
  • SpreadCycle

Configuration table

TMC2100 table de configuration

Comparison with other Trinamic TMC drivers

Comparatifs des entre les drivers Trinamic TMC2100 / TMC2130 / TMC2208

Installation on Ramps 1.4

TMC2100 et carte Ramps

Pin MS1 of the ramps board is already linked to GND

So if you want to use SpreadCycle mode  16 micro steps and 256th interpolation you need to:

-remove all jumpers from MS1, MS2 and MS3

http://www.instructables.com/id/Install-and-configure-SilentStepStick-in-RAMPS-TMC/

For more information about TMC2100

http://www.reprap.org/wiki/TMC2100

Curent calibration

Irms = (Vref * 1.77A) / 2.5V

Vref = (Irms * 2.5V) / 1.77A

exemple: FOr 1V measured on Vref, the Motor current will be 0.71A

1V = (0,71A * 2.5V) / 1.77A

VrefCourant
0.7V0.5A
0.85V0.6A
1V0.7A
1.13V0.8A
1.27V0.9A
1.41V1A
1.55V1.1A
1.69V1.2A

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TMC2100 Silent Stepper motor driver

TMC2100 Silent Stepper motor driver

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