Stepper Motor

A stepper motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. It rotates a specific incremental distance per each step. The number of steps that are executed controls the degree of rotation of the motor’s shaft.


Stepper motors have some inherent ability to control position, as they have built-in output steps. It can very accurately control how far and how fast the stepper motor will rotate. The number of steps the motor executes is equal to the number of pulse commands given by the controller. A stepper will rotate a distance and at a rate that is proportional to the number and frequency of its pulse commands.


A stepper motor controller can be either open loop or closed loop. The difference between the two is that an open loop system sends a consistent rate of power to the motor, assuming that the rotating field that the rotor follows is consistent. A closed loop system uses feedback to adjust power based on the kind of load the motor is bearing. Most motor applications work with an open loop system, because it is simpler and less expensive.


Stepper motors have several advantages over other types of motors. One of the most impressive is their ability to position very accurately. It can achieve the same target position, revolution after revolution. Standard stepper motors have a step angle accuracy of +/-5%. The error does not accumulate from step to step.


Return to main Motor Control page

Videos

Engineer It: How to easily tune your stepper motor

How to automatically tune your stepper motor

Plug-in Modular Solution for Stepper Motor Application

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EVAL6470H-DISC
EVAL6470H-DISC - Development Board, STM32F105RB MCU, L6470 Two-Phase Bipolar Stepper Motor Driver

2475477

STMICROELECTRONICS

Development Board, STM32F105RB MCU, L6470 Two-Phase Bipolar Stepper Motor Driver

DEV BRD, L6470 STEPPER MOTOR DRIV, STM32; Application Sub Type:Stepper Motor; Silicon Manufacturer:STMicroelectronics; Kit Application Type:Power Management - Motor Control; Silicon Core Number:L6470, STM32F105RB; Kit Contents:Dev Board L6470 & STM32F105

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CY8CKIT-037
CY8CKIT-037 - Evaluation Board, PSoC 4 PMSM and Stepper Motor Control, BLY172S-24V-4000 Motor, 24V/2.0A Adapter

2617406

CYPRESS SEMICONDUCTOR

Evaluation Board, PSoC 4 PMSM and Stepper Motor Control, BLY172S-24V-4000 Motor, 24V/2.0A Adapter

EVALUATION BOARD, MOTOR CONTROL; Application Sub Type:BLDC, PMSM and Stepper Motor; Silicon Manufacturer:-; Kit Application Type:Power Management - Motor Control; Silicon Core Number:LM5005, LM393DR, IR2101S, AD8601, CY7C65213; Kit Contents:Evaluation Bo

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    ADM00308
    ADM00308 - Evaluation Board, MTS2916A Dual Full-Bridge Stepper Motor Driver, Control Stepper Motor Windings

    2135306

    MICROCHIP

    Evaluation Board, MTS2916A Dual Full-Bridge Stepper Motor Driver, Control Stepper Motor Windings

    BOARD, EVALUATION , STEPPER DRIVER; Application Sub Type:Stepper Motor; Silicon Manufacturer:Microchip; Kit Application Type:Power Management - Motor Control; Silicon Core Number:MTS2916A; Kit Contents:Eval Board MTS2916A, Important Information Sheet; Pr

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    DRV8884EVM .
    DRV8884EVM . - Evaluation Board, DRV8884 1.0A Stepper Motor Driver, Integrated Sense Resistor, 8V - 37V Range

    2581852

    TEXAS INSTRUMENTS

    Evaluation Board, DRV8884 1.0A Stepper Motor Driver, Integrated Sense Resistor, 8V - 37V Range

    EVAL BOARD, DRV8884 STEPPER MOTOR; Application Sub Type:Stepper Motor; Silicon Manufacturer:Texas Instruments; Kit Application Type:Motor Control; Silicon Core Number:DRV8884; Kit Contents:Eval Board DRV8884, USB Cable; Product Range:-; SVHC:No SVHC (27-

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    ROHM-STEPMO_EVK_204
    ROHM-STEPMO_EVK_204 - Evaluation Board, BD63710AEFV Stepper Motor Driver, Plug-In Shield for Arduino

    2627618

    ROHM

    Evaluation Board, BD63710AEFV Stepper Motor Driver, Plug-In Shield for Arduino

    EVAL BOARD, STEPPER MOTOR DRIVE; Application Sub Type:Stepper Motor Control; Silicon Manufacturer:Rohm Semiconductor; Kit Application Type:Power Management - Motor Control; Silicon Core Number:BD63710AEFV; Kit Contents:Eval Board BD63710AEFV; Product Ran

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