Single-chip motor controllers

13 November 2013 News

Precision movement and positioning systems used in industries such as automated manufacturing and pharmaceutical production can be quieter, smaller, lighter, simpler and more efficient using cSPIN single-chip digital motion controllers from STMicroelectronics.

The solution allows precise control over rotation speed and smooth and noiseless operation. The micro-stepping controllers for 2-phase stepper motors provide communication with the main system using high-level commands via a standard Serial Peripheral Interface (SPI).

The on-chip gate-driver circuitry for the motor’s power stage can operate from 8 V to 85 V, which allows applications to scale smoothly over a wide power range up to 300 W. ST’s digital motion engine is optimised to overcome known challenges such as avoiding resonance to ensure especially smooth and quiet motor operation.

The cSPIN family requires no motor control software and simplifies system design by performing all calculation, control and interfacing functions in a single chip.

For more information contact Erich Nast, Avnet Kopp, +27 (0)11 319 8600, [email protected], www.avnet.co.za

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