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What is a stepper motor?
A motor that rotates in small, fixed increments and is used to control the movement of the access arm on a disk drive.
total search1798 articles
2001-10-03 ST92141 ac motor-control software library version 2.0 update
This application note presents a version 2.0 implementation of the AC motor control software from the library integration point of view of the ST92141 microcontroller.
2013-07-04 ST, Great Wall Motor push for new energy car tech
The joint lab will focus on advanced R&D of cutting-edge solutions in powertrain, chassis, safety, car body, car infotainment, as well as new-energy technologies and other automotive applications.
2005-06-28 ST rolls out new motor drivers
STMicroelectronics introduced a family of monolithic motor drivers that form the heart of an open, scalable solution for a wide range of motion control apps.
2010-01-20 Smart motor controller saves space
The all-in-one motor controller IC's soft switching operation makes it suitable for low noise applications.
2005-10-26 Smallest stepper controller IC can mount on the motor
AMI Semiconductor says its AMIS-30621 and -30622 stepper motor controller ICs for automotive applications are the industry's smallest.
2003-06-30 Six-Output 600V MGDs Simplify 3-Phase Motor Drives
This application note discusses how to simplify 3-Phase Motor Drives by using Six-Output 600V MOS-Gate Device (MGD).
2000-05-08 Six-Output 600V MGDs Simplify 3-Phase Motor Drive
The application note provides necessary information on what it takes to drive the gates of an inverter and how the input logic and protection circuits work.
2008-03-10 Single-phase brushless DC motor pre-drivers blow fans
The first device in a series of single-phase brushless DC motor pre-drivers used to control high current fans, blowers or pumps, has been launched by Allegro MicroSytems.
2001-04-19 Single-phase brushless dc motor controller using the LS7261/7262
This application note describes how LSI Computer Systems' LS7261 and LS7262 brushless DC motor controllers can be used to drive a single-phase, center-tapped brushless DC motor using a half-bridge configuration.
2006-05-23 Single-axis stepper motor offers data acquisition
RMV Electronics has introduced the Sport 232-ST, an intelligent single-axis stepper motor with data acquisition and control features.
2010-09-15 Simplifying stepper motor system design
Contemporary stepper motor drive systems typically use an integrated power IC that drives the motor and may integrate some simple controls like the current control.
2008-03-18 Simplifying movable-headlamp motor control
Using LIN-enabled smart micro-stepper motor drivers lets designers perform intelligent system partitioning and simplifies complex multi-axis real-time programming.
2004-05-05 Siliconix MOSFET eyes high-side switches, electric motor drives
Automotive 12V boardnet high-side switches and electric motor drives are the target apps of Siliconix's new family of p-channel MOSFETs.
2004-09-03 SG new PWM IC suits motor driving apps
System General announced a new addition to its Green Mode PWM IC seriesthe SG6846.
2004-12-14 Servo motor control application on a local interconnect network (LIN)
This app note shows one way to implement a closed-loop control position servo motor application which utilizes the local interconnect network (LIN) to allow a series of similar motors to be connected together and controlled from a central LIN master controller.
2000-05-31 Servo Control of a DC-Brush Motor
This application note examines the use of the PIC17C42 as a dc brush motor servo controller.
2008-02-14 Sensorless motor-control kit rolls for ARM Cortex devices
STMicroelectronics has announced a complete three-phase motor-control development kit based on the STM32 flash MCU, which provides the necessary hardware and firmware to enable users to evaluate the 32bit solution.
2006-11-24 Sensorless motor controller targets intelligent pumps
IR's new mixed-signal control IC for pumps integrates all the control and analog interface functions required for sensorless sinusoidal control of permanent magnet synchronous motors using DC link current measurements.
2008-11-05 Sensorless field oriented control of an AC induction motor
The intent of this application note is to present one solution for sensorless Field Oriented Control (FOC) of induction motors using a dsPIC digital signal controller.
2008-03-19 Sensorless brushless DC motor control with PIC16
The purpose of this application note is to illustrate an elegant sensorless technique that can be implemented on low-cost MCUs. All demonstration software will operate within an open loop with no speed regulation.
2009-05-07 Sensorless BLDC motor control using MC9S08AC16
This application note describes the design of a 3-phase sensorless BLDC motor drive with Back-EMF zero crossing. It is based on Freescale's MC9S08AC16 that can be effectively used for motor-control applications.
2010-02-10 Sensorless BLDC motor control based on CY8C3866AXI
This application note describes the implementation of Sensorless Brushless DC (BLDC) Motor Control using the new generation PSoC 3 device CY8C3866AXI.
2009-12-18 Sensorless 3-phase brushless motor control with the PIC16FXXX
This application note describes enhancements and how they are used to create a sensorless motor control solution with an 8MHz PIC16FXXX device with seamless operation from 100rpm to over 90,000rpm.
2008-12-24 Second-gen brushless DC motor controller debuts
Melexis Microelectronic Integrated Systems N.V. has launched its first member of the second generation of integrated brushless DC motor controllers. The MLX81200 sports TruSense and SineDrive technologies, which enable designers to integrate applications of this motor type in automotive applications.
2004-02-04 Science & Technology motor suits industrial apps
Shenguang Science & Technology has expanded its dc motor portfolio with the release of the SRF-330TA series.
2002-08-05 ROHM disc driver reduces noise, motor vibration
The BC7905BFS CD-ROM/DVD-ROM combination disc drive driver IC is claimed by the company to achieve a 12dB noise level reduction during disc activation and regenerative braking.
2009-02-18 Rev up efficiency of motor-control based designs
There is pressure on designers to cut the cost of motor installation. Understanding the requirements can help illustrate what features designers need to focus on to get the best performance for the smallest investment in silicon.
2008-02-20 Ref kit simplifies BLDC motor control development
Renesas Technology America has introduced the R8C/25-based brushless DC motor control reference platform.
2007-04-18 Quick start for beginners to drive a stepper motor
A stepper motor is an electrically powered motor that creates rotation from electrical current driven into the motor. Physically, stepper motors can be large but are often small enough to be driven by current on the order of milliampere. Current pulses are applied to the motor, and this generates discrete rotation of the motor shaft.
2006-09-20 PWM motor driver targets automation, industrial markets
Allegro MicroSystems has announced the A3992, a DMOS full-bridge microstepping PWM motor driver targeted at the office automation and industrial markets.
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