Product category: Microprocessors, Microcontrollers and DSPs
News Release from: International Rectifier | Subject: IRMCK201 and the IRMCK203
Edited by the Electronicstalk Editorial Team on 10 November 2003
Motion controllers eliminate programming tasks
Two new digital control ICs revolutionise the task of configuring motion control algorithms for different types of permanent magnet or AC induction motors and their position feedback devices
The IRMCK201 and the IRMCK203 digital control ICs revolutionise the task of configuring motion control algorithms for different types of permanent magnet or AC induction motors and their position feedback devices. Unlike traditional motor drive controls that rely on complex digital signal processors or microprocessor control units the IRMCK201 and IRMCK203 contain a proprietary Motion Control Engine (MCE), which eliminates software programming.
This article was originally published on Electronicstalk on 10 November 2003 at 8.00am (UK)
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Motion control products developed with the new digital control ICs and the iMotion chipset can be brought to market faster, as commands are simplified to menu-driven selections.
The new devices have a wide range of high-performance applications in the industrial and automation industries, such as dental drills, semiconductor wafer-handling equipment, pick and place machines and other precision motion control applications.
David Tam, Vice President, Consumer and Industrial Sector Business said: "There is no other single-chip motion control device on the market that enables the simplicity and the flexibility as the new IRMCK201 and IRMCK203.
The new digital control ICs expand the portfolio of IR's industry leading iMotion silicon solutions".
The IRMCK201 features an encoder feedback based closed loop current and velocity control for servo applications.
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In addition, the IRMCK201 is designed to be compatible with the rest of the iMotion chipset, comprising the IR2175 linear current-sensing IC, the IR2136 three-phase inverter-driver IC and the IRAM 6 to 20A integrated power modules.
The IR2175 provides current feedback information and features a fast frequency output (130kHz) for high bandwidth and fast acceleration.
Versatile space vector PWM with dead time insertion transfers information to and from the IC to the power devices with low loss, less noise and high efficiency.
The IRMCK203 is a digital control IC solution for sinusoidal current-based sensorless drives, and enables the design of ultra-high-speed (100,000rev/min) and wide speed range (better than 20:1) applications with sensorless control.
The sensorless feedback circuits combine with low loss space vector PWM and unique starting algorithm for permanent magnet AC motor, minimising torque and ripple, increasing efficiency.
The new ICs include a fast, serial peripheral interface (SPI) port for connecting master/slave low- to medium-bandwidth external devices using two data lines and two control lines, and supports RS232, RS422 and RS485 asynchronous communication standards.
Design assistance is available using International Rectifier's ServoDesigner and IRMCS2011 hardware development platform, available from the IR website.
Pricing is US $13.85 each for the IRMCK201 and US $19.85 each for the IRMCK203, both in 10,000-unit quantities.
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