The TMCM-1110 stepRocker™ is a 1-axis, 2.8A/24V controller/driver with coolStep™ and encoder interface, as well as S/D in and out.

The TMCM-1110 is a universal, ultra low cost, stepper motor controller/driver module. The driver unit offers highest smoothness and precision due to a high microstep resolution. The new patented spreadCycle™ chopper scheme produces an optimised current zero crossing and sine wave form. Furthermore the integrated sensorless load detection stallGuard2™ plus the load dependent current control coolStep™ make this board unique. These great features make it for the first time possible to ‘energy efficiently’ drive a stepper motor!


  • 3-axis motion controller
  • Driver only function
  • Up to 256 times microstepping / 51200 steps./rev. with a 1,8° motor
  • Memory for 2048 TMCL™ commands
  • Automatic ramp generation
  • ‘On the fly’ alteration of motion parameters (e.g. position, velocity, acceleration)
  • StallGuard2™ sensorless high resolution motor load detection
  • CoolStep™ load dependent current control
  • SpreadCycle™ chopper for improved smoothness and high speed operation
  • MicroPlyer™ internal microstep multiplier (16 to 256 µSteps) for lower frequency on step input
  • 6x control LED

The integrated ramp- and pulse generating positioning motion controller can be attached via USB or RS485 and up to 3 drivers can be controlled simultaneously. Any 3-axis application can easily be built by connecting two external drivers (e.g. additional stepRocker™) via step & direction signals.

The smart software makes different approaches possible:

The stepRocker™ can be used with the Trinamic Motion Control Language TMCL™ and as the board comes with installed firmware and the integrated development environment, the TMCL-IDE for PC can be downloaded (free of charge). It is also possible to remotely control the stepRocker™ or to write, then download complete command sequences for stand-alone use.

As an alternative it is possible to write the firmware for the SAMSUNG microcontroller using the downloadable software tools and motion control libraries. For the initial steps only a power supply, a stepper motor and a PC are necessary.

Electrical data

  • 1A or 2.8A max. coil current RMS (selectable by jumper)
  • 12 to 24V DC (nominal) supply voltage

Supported motors

  • Two-phase bipolar stepper motors with up to 2.8A coil current


  • USB and or RS-485 host interface
  • 1x step/direction driver input (TTL)
  • 2x step/direction motion controller output (TTL)
  • 2x reference / end switch for all 3 axes (TTL)
  • 1x ABN-encoder or 3x GP input
  • 6x GP-I/O (TTL)
  • 1x analogue input (12-bit, 0-10V)
  • 2x open drain output (100mA)


  • Stand-alone or remote controlled operation using TMCL™ (Trinamic Motion Control Language)
  • PC-based application development software TMCL-IDE
  • Open source C library for SAMSUNG S3FN41F µC on

Saving the best until last, the price, 100 pieces are just £40.00 each and for a 1000 pieces they are only £35.50 each*

Micromech is the UK and Eire distributor for these amazing products and if you would like a quote or to find out more contact Stirling Morley on 01376 333333 or email or

‘Affordable Automation’

* best prices, one shipment


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: