Evaluation Board for TMC5031 Motor Controller / Driver for Motor Controller / Driver for two Phase Stepper Motors up to 2x 0.7A RMS/ +5.5V .. 16V DC, USB, RS232 and SPI Interface, 2x Ref. Switch Input per Axis. TMC5031-EVAL Board allows for a quick and simple start with only minutes to make your motor turning, while still providing full access to all registers and full functionality and diagnostics. Additionally required is a Power Supply (max. 16V).