Silent StepStick TMC2100 Stepper Motor Driver

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Silent StepStick TMC2100 Stepper Motor Driver
Excl. Tax: £12.00 Incl. Tax: £15.00

Availability: In stock

In Stock

Silent StepStick TMC2100 Stepper Motor Driver for 3D printer, Reprap Prusa Mendel RAMPS
Silent StepStick TMC2100 Stepper Motor Driver is available for purchase in increments of 1
Description

Details

TMC2100 are the quietest Pololu compatible stepper motor drivers currently available on the market. The size corresponds to the popular Pololu drivers: the pinout is compatible, but not identical. The driver can be used on all major electronics, eg 8-bit electronics as RAMPS, Rumba, GT2560 or 32-bit electronics as RADDS or AZSMZ and all other Pololu compatible RepRap electronics.

Specification

  • Driver-IC: TMC2100, noiseless operation (in certain modes)
  • Hardware compatible with Step Stick and Pololu A4988
  • 1.25A RMS continuous current (equivalent to about 1,77A Imax)
  • short-time peak current 2.5A per motor coil
  • Step/Dir interface with micro-step function (interpolation of up to 256 micro-steps)
  • Motor voltage: 5...45V
  • stealthChop mode - for a noiseless operation
  • spreadCycle mode - for a high dynamic and torque

Special features in comparison to other stepper motor drivers

The TMC2100 stepper motor drivers a few peculiarities must be observed.

  • The driver board is "upside down" mounted, with the chip and the potentiometer down. To allow this, the pinout is mirrored too.
  • The heat sink is mounted on the circuit board on the back. This is much better, because the heat is much better guided by the heat pipes of the board, than the thick plastic layer of the chip itself.
  • The potentiometer is mounted upside down and adjustable via a hole through the board.
  • The "spreadCycle" operating mode is recommended for use in 3D printers. This guarantees sufficient torque for 3D printers; also, this is a very quiet mode.
  • The "stealthChop" operating mode is noiseless, but it can often lead to step losses since the torque is considerably reduced.

Pin Configuration

Since many different electronic boards available such as RAMPS, RADDS, RUMBA, etc, the wiring of config pins (CFG1, CFG2 and CFG3) is solved differently, so it's recommended not to connect config pins. This prevents that change of the electronics implies adjusting the driver. Be joined, that the "spreadCycle" mode also needs the pin CFG1 connected to GND. This can be realized by a small wire bridge (see photo).

The pins and DIAG1 DIAG2 have no function and may also be omitted.

Various operating modes to provide a through connection of the 3 config pins that green highlighted line is the recommended operation mode:

CFG1CFG2SchrittteilungInterpolationMode
GND GND 1 (full step) none spreadCycle
VCC GND 2 (half-step) none spreadCycle
open GND 2 (half-step) 256 µ-Schritte spreadCycle
GND VCC 4 (quarter-step) none spreadCycle
VCC VCC 16 µ-steps none spreadCycle
open VCC 4 (quarter-step) 256 µ-steps spreadCycle
GND open 16 µ-steps 256 µ-steps spreadCycle
VCC open 4 (quarter-step) 256 µ-steps stealthChop
open open 16 µ-steps 256 µ-steps stealthChop

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