Motor Drivers, Controllers are in stock at Tenco Electronics. A motor driver is a little current amplifier; the function of motor drivers is to take a low-current control signal and then turn it into a higher-current signal that can drive a motor.And a motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor. Tenco offers inventory, pricing, & datasheets for Motor Drivers, Controllers. To know more, please view our large section of Motor Drivers, Controllers below.