Architecture for motor controlInternational Rectifier has created a unique motor drive power management architecture called AcceleratorTM. The new architecture is positioned between the micro- or DSP-controller and the motor, to enhance and simplify DSP and microprocessor-controlled motion control circuits.
By simplifying motor drive power management, more design effort can be concentrated on the main control algorithm and man-machine interface.
The new Accelerator chip set architecture consists of mixed signal 0.5µm CMOS and high voltage ICs with ratings from 600 to 1200V.
The Accelerator architecture can be applied to AC induction motors, as well as brushless DC motors.
Typical applications include industrial AC drives, industrial servo drives, compressor drives, washing machines, electric power steering, integrated starter alternators and high reliability drives.
The new IR architecture simplifies power management design and increases reliability by reducing total parts count by 25%, and cutting circuit board footprint by 50%. Motor drives using this architecture can easily fit within the dimensions of the industry-standard ECONO2 package outline, approximately 4.25 x 1.75 x 0.62 in.
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