POWERSTEP01TR Integrated Circuits (ICs)

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POWERSTEP01TR application field and working principle

The POWERSTEP01TR is a microstepping open-loop stepping motor controller and driver integrated circuit. This motor controller belongs to the PMIC – Motor Drivers, Controllers category and has several advantages over other motor controllers such as higher efficiency, easy programming, high accuracy, and higher torque.The POWERSTEP01TR is utilized for applications that require precision control of a stepping motor such as industrial automation, medical equipment, office automation, consumer electronics, etc. The design of this motor controller is optimized for an easy system integration and provides streamlined programming.The motor controller integrates a motor driver and a motor controller, making it suitable for many applications. It has the functionality to perform current control and enable/disable the outputs. It also integrates advanced protection features, such as over current protection, over temperature protection, as well as inhibiting the motor if the desired speed is exceeded. It supports automatic current reduction when the coil is saturated and will fade-in/out torque smoothly when the motor is energized or de-energized.The control principle of the POWERSTEP01TR is based on full step angle/mode, microstepping mode, current regulator, and velocity controller. The full step angle/mode controls the motor using a full-step driver and determines the motor speed and direction based on the step rate. It also allows the motor to rotate in the desired direction and to determine the number of steps to move the motor. The microstepping mode uses a 8-step or 16-step driver to break down the full step angle into smaller digital pulses, allowing for higher resolution and smoother motion.The current regulator is used to regulate and maintain the current in the motor windings, providing higher performance and greater reliability. The velocity controller adjusts the velocity of the motor by adjusting the number of steps taken per minute.This motor controller is compatible with both bipolar and unipolar stepping motors and is available in multiple package sizes and pin configurations. It is also capable of autonomous motor functions such as deceleration, acceleration, brake, and HALT. Overall, the POWERSTEP01TR is an ideal motor controller for applications that require precise and reliable movement.

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