TMC2225-BOB Breakout Board Analog Devices Inc. TMC2225-BOB Breakout Board is a compact reference design board for the TMC2225 Stepper Driver. The TMC2225 provides an integrated motor driver solution for 3D printing, cameras, scanners, and other automated equipment applications. The TMC2225 features StealthChop silent drive technology, ensuring noiseless operation, maximum efficiency, and the best motor torque.