STMicroelectronics L6470HTR, Stepper Motor Driver IC

The STMicroelectronics Motor driver device is an advanced fully integrated micro stepping motor driver with motion engine and SPI interface, suitable for driving two-phase bipolar stepper motors with micro stepping.

Operating voltage between 8 - 45 V
7.0 A out peak current 3.0 A r.m.s.
Low RDSon Power MOSFETs
Programmable speed profile and positioning
Programmable power MOS slew rate
Up to 1/128 micro stepping
Sensorless stall detection
SPI interface
Low quiescent and standby currents
Programmable non-dissipative over current protection on high and low-side