Engineers Name ADI's Single-Chip DSP Motor Controller One of 1997's Best Productsÿÿ
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December 10, 1997 -- Since its first shipments in June and its release to volume production in October, the world's first single-chip DSP motor controller from Analog Devices, Inc. (NYSE: ADI) has won acceptance from customers around the world.
By selecting the ADMC330 as one of the best 100 products of 1997, EDN readers have now joined the new device's worldwide acceptance. To date, no other supplier has offered a DSP-based motor control solution in high volume to the industrial and appliance markets. Optimized for variable speed brushless motor drives, the ADMC330 provides greater accuracy, reduced electrical consumption, quieter operation, greater reliability and reduced total system cost over current 16/32-bit microcontroller-based designs. The high-volume price of the ADMC330 is under $5.00.
"We plan to release some 20 new single-chip DSP-based devices over the next two years," said Phil Davies, Product Line Director for ADI's dedicated motor control group. "We are now designing and building the world's easiest- to-use DSP-based motor controllers and will optimize many different models for specific application requirements. We are aggressively pursuing the motor- control market by leveraging ADI's expertise in DSP and mixed-signal technologies as well as our 20 years experience in motor control."
The second device, the ADMC300, has been sampled and will ship in high volume to customers first quarter 1998. It was designed for high-performance servo drives that demand the highest level of performance in both processing power and peripheral systems. According to Roy Carter, senior design engineer at GE Motors and Industrial Systems, (Salem, VA) who is designing inverters incorporating the ADMC300 for induction motor controls, "The DSP core is fast enough to execute sophisticated control algorithms and the high integration of the DSP reduces cost and improves performance."
More About the ADMC330
With the ADMC330 DSP motor controller, design engineers can not only reduce system cost and complexity but increase reliability as well. The ADMC330 integrates a complete set of motor control peripherals with an easy to use, programmable, high-performance, fixed-point DSP core. The PWM interface is very flexible and can work with PMSM, ECM, and ACIM motors as well as a wide range of power drivers. This flexible architecture also allows customization for very specific high-volume applications.
The ADMC330 also includes an internal 2K x 24-bit program RAM and 1K x 16- bit data RAM which can be loaded from an external ROM via the serial port. Augmenting the full set of motor control peripherals is expansion capability through the serial port and the 8-bit digital I/O port. There is also 2K of internal ROM, including a monitor, which adds software debugging features through the serial port. The ADMC330 is available in a 68 pin PLCC.
The ADMC330 is also supported by the ADSP-2100 Family Development Software, a complete set of tools for hardware and software system development. The System Builder provides a high-level method for defining the architecture of systems under development. The Assembler has an algebraic syntax that is easy to program and debug. The Linker combines object files into an executable file. The Simulator provides an interactive instruction- level simulation with a reconfigurable user interface to display different portions of the hardware environment.
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