15 May 2015

Evaluation platform explores industrial drive subsystems

Texas Instruments (TI) has announced DesignDRIVE — a single hardware and software platform that aims to make it easier for engineers to develop and evaluate solutions for many industrial drive and servo topologies.

The DesignDRIVE kit and example software offer an easy path to begin exploring a wide variety of motor types, sensing technologies, encoder standards and communications networks, as well as easy expansion to develop with real-time Ethernet communications and functional safety topologies, enabling more comprehensive, integrated system solutions. Based on the real-time control architecture of TI’s C2000 microcontrollers (MCUs), DesignDRIVE is ideal for the development of industrial inverter and servo drives used in robotics, computer numerical control machinery (CNC), elevators, materials conveyance and other industrial manufacturing applications.

The kit offers an integrated design with full power stage to drive a three-phase motor, easing evaluation of a diverse range of feedback sensing and control topologies. It includes a 180-pin HSEC controlCARD based on TI’s C2000 Delfino TMS320F28377D MCU, which integrates dual C28x real-time processing cores and dual CLA real-time co-processors, providing 800 MIPS of floating-point performance with integrated trigonometric and FFT acceleration.

The sensing peripherals on the MCU, including eight sigma-delta filters, four high-performance 16-bit ADCs and eight windowed comparators, enable the DesignDRIVE Kit to support shunt, fluxgate/HALL, and delta-sigma current sensing simultaneously. For position feedback, the kit leverages integrated MCU support for interfacing to resolvers and incremental encoders. In addition, customers can also explore configuration options that allow the MCU to be placed on either side of the high-voltage isolation barrier. It plugs into 110V/220V AC mains, delivers up to 8 Amps and is rated to drive motors up to one horsepower.

DesignDRIVE Software is supported by the C2000 controlSUITE package and includes specific examples of vector control of motors, incorporating current, speed and position loops, to help developers jumpstart their evaluation and development. The DesignDRIVE Kit will serve as a common platform showcasing new drives projects from TI that will be delivered via future controlSUITE releases. In addition, the Kit comes with TI’s Code Composer Studio integrated development environment (IDE), providing code generation and debugging capabilities. Altair's VisSim model-based simulation software tool is also supported for TI’s C2000 F28377D MCU.

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