Integrated automotive dual stepper motor driver with four full bridges, microstepping up to 64 steps and programmable stall detection The MOTIX™ TLE9321ES is an integrated dual stepper motor driver for automotive bipolar stepper motor applications. The device features four full-bridges supporting up to 600 mA full-scale current, programmable microstepping up to 64 steps, integrated current regulation, auto decay modes and programmable stall detection. It can be configured via SPI and includes diagnostic and protection functions for reliable operation.