First impression is that it's a very well-designed PCB. The driver IC is correctly on the bottom of the PCB (unlike some Trinamic StepStick modules I've seen on AliExpress), there are vias under the IC to conduct the heat away, and they've even removed a patch of white solder resist under the IC to improve heatsinking. Very good :)
First impression is that it's a very well-designed PCB. The driver IC is correctly on the bottom of the PCB (unlike some Trinamic StepStick modules I've seen on AliExpress), there are vias under the IC to conduct the heat away, and they've even removed a patch of white solder resist under the IC to improve heatsinking. Very good :)