EVALUATI O N B O A R D I N T E G R A T E D C I R C U ITS TMC 24 9- HV HR Eval uati on B oard for TMC249 with Hig h Vo ltag e an d High Reso luti on 1 0 mm M A IN CH A R AC T ER IS T IC S INFO The TMC249-HVHR is an add on-board for the TMC428A-EVAL, FEATURES which demonstrates operation of the TMC249 with an increased voltage of up to 45V and add-on circuitry for 64 microsteps. • 64 times microstepping via SPI • sensorless stall detection stallGuard™ INTERFACE ELECTRICAL DATA • SPI and analog signals on connectors • 0.7A / 1.4A RMS coil current • 20V to 45V motor supply voltage • 3.3V or 5V operation for digital part • power supply 12V to 30V DC OTHER • RoHS compliant TMC249 HVHR Connect to 428Eval SPI 8 bit shift Register CD4094 for 64µstep TMC249 Zener diode level shifter MOSFET Driver Stage Step Motor 20..48V DC OR DE R C O DE D E S C RI P T I ON TMC249-HVHR High voltage / high resolution evaluation board for TMC249 as an add-on for TMC428A-EVAL (incl. 10 pin cable) www.trinamic.com – for detailed information and datasheets 21