![]() ![]() ![]() Trinamic provides some of the smartest stepper motor drivers on the market, and since the German hacker store Watterott released their SilentStepStick breakout boards for the TMC2100 and TMC2130, they are also setting a new standard for DIY 3D printers, mills and pick-and-place robots. Last month, we took a closer look at microstepping on common stepper driver ICs, but left out the ones that we actually want to use: the smart ones. The TMC2130 SilentStepStick’s top side with SPI headers and heatsink. On the other hand, you can also write directly to the coil current registers and expand the scope of applicability far beyond motors. On the one hand, this driver can be configured through its SPI interface to suit virtually any application that employs a stepper motor. In this article, I’ll be looking at the Trinamic TMC2130 stepper motor driver, one that comes with more bells and whistles than you might ever need. Although they power most of our CNC machines and 3D printers, as monolithic solutions to “make it spin”, we don’t often pay much attention to them. Adjust the phase current, crank up the microstepping, and forget about it - that’s what most people want out of a stepper motor driver IC. ![]()
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