TMC2130 Stepper Driver Kit

Free shipping in Canada for orders over $140 before tax. (via Canada Post)

The TMC2130 provides an integrated motor driver solution for 3D-Printing, Cameras, Scanners and other automated equipment applications. The device has an integrated microstepping indexer, the sensorless stall detection technology StallGuard2™, the sensorless load dependent current control CoolStep™ and the completely noiseless current control mode StealthChop™ and is intended to drive a bipolar stepper motor.

The best way to set the motor current is by measuring the voltage on the Vref pin (0…2.5V) and adjusting the voltage with the potentiometer. The maximum settable motor current is 1.77A RMS (0.11Ohm sense resistors), but the SilentStepSticks can only be used up to 1.2A RMS. 
Irms = (Vref * 1.77A) / 2.5V = Vref * 0.71
Vref = (Irms * 2.5V) / 1.77A = Irms * 1.41 = Imax
Vref -> Voltage on Vref pin
Irms -> RMS (Root Mean Square) current per phase (Irms = Imax / 1.41)
Imax -> Maximum current per phase (Imax = Irms * 1.41)

SPI mode, SPI pin out（top），you must connect wires to your board，and config the firmware for it，otherwise the stepper can't run.

The TMC2130 module adopts German imported chips.   It is recommended to have active cooling.

• TMC2130 Stepper Driver (due to the thickness of the pins being on both sides of the PCB, this cannot be sent by lettermail)
• Heatsink
• Female to female cable jumper
• screwdriver for Vref adjustment

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