The chip also handles the whole TCP/IP stack ... If you thought you’d seen this stepper-mounted driver setup before, you’d be correct, here’s a Hackaday Prize 2017 Entry for a CANBUS ...
Removing the original stepper driver IC. The short answer is ... but after a little kiss with the hot air, the old chip was off. [Simon] didn’t have any spare TMC2209 chips, but the TMC2208 ...