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ASIC Products

PMSM Motion Controller ASIC

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MIMOS in collaboration with My Technologies and Emerald Systems have designed and developed a Green Motion Controller (GMC) solution series that can efficiently control and manage the performance of Permanent Magnet Synchronous Motors (PMSM). 

The solution is compact, economical and can be implemented without the need for complicated firmware or assembly code.  It is expected to increase the application of PMSM motor development, especially for Small and Medium Enterprises. With PMSM motors being used in a variety of consumer appliances (such as air-conditioners, washing machines, printers, digital SLR cameras, and commercial products such as lifts, escalators and conveyor belts), business opportunities for this solution are tremendous.

A "Greener" Motor Controller
Malaysia’s national R&D agency in Information and Communication Technology, MIMOS, together with two local R&D companies (Emerald Systems Sdn Bhd and MyTech) has developed the MCGP02I series to efficiently control and manage the performance of Permanent Magnet Synchronous Motors (PMSM).

A PMSM is a rotating electric machine which uses permanent magnets in its rotor whereby an alternating current flow in its stator windings would generate a rotating magnetic field to cause the rotor to rotate.  PMSM motors can be found in consumer appliances such as air-conditioners, washing machines, printers and commercial products such as lifts, elevators and conveyor belts.

While traditional solutions for controlling the PMSM motor use software written for a microcontroller or microprocessor, MIMOS’ MCGP02I motion controller solution uses a new design approach in which complex mathematical calculations required for Field Oriented Control (FOC) of PMSM motors are directly implemented using specialized logic gates into an IC.

The FOC method is the most efficient control method to squeeze maximum performance out of the PMSM motor.  This method produces reduced torque ripple resulting in smoother motor performance and quieter operation. There is also no need to write firmware to implement the complex FOC algorithm, thus total development cost of the system is greatly reduced.  The programmability of all control parameters enables maximum flexibility and quick design of control systems.

The MCGP02I comes in a 40-pin small footprint QFN package with an integrated on-chip oscillator, ADCs, voltage references and regulator. With the MCGP02I, the complete control system can be constructed with minimal number of components and occupies a small PCB area. The MCGP02I is compact, economical and can be implemented without the need for complicated firmware or assembly code.

This solution is expected to increase the application of PMSM motor development, especially for Small and Medium Enterprises. With PMSM motors being used in a variety of applications, business opportunities for this solution are tremendous.

 

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