Speed, torque, and horsepower are three inter-related parameters in motor control. The speed of a motor, measured in revolutions per minute (rpm), defines a motor's ability to spin at a rate per unit ...

Geneva, Switzerland — STMicroelectronics has developed a hard-disk-drive(HDD) motor control chip for enterprise-level HDD applications. The L7220 motor controller integrates all of the circuits ...

In this article, I’ll dig into a couple of things you need to know when it comes to using salvaged hard disc drive spindle motors. Most electronics hobbyists think that such hard disc drive spindle ...

It’s easy to find advocates who support the idea that servomotor, drive, and controller combinations, combinations work best when sourced from a single provider. It’s also not difficult to find those ...