BUY EIC4011 https://www.utsource.net/itm/p/982903.html

Description: The EIC4011 is a bipolar stepper motor drive IC manufactured by Vexta. It is capable of driving four-phase, bipolar stepper motors. Features: High-speed operation up to 24kHz frequency Directly driven by a logic circuit Low power consumption, low distortion of sine wave output Variable acceleration/deceleration control Overheat protection and overcurrent protection circuit Built-in short-circuit protection circuit Application: The EIC4011 is suitable for a variety of applications such as robotics, machine tools, and other positioning systems where precise step angle control is required. It can also be used in digital instrumentation and home appliances. (For reference only)