High-resolution motor-driver board targets open-source 3D-printer

May 30, 2018 //By Julien Happich
High-resolution motor-driver board targets open-source 3D-printer
STMicroelectronics’ EVALSP820-XS motor-driver board brings ST’s industrial-control expertise to the RAMPS (RepRap Arduino Mega Pololu Shield) open-source 3D-printer platform, enabling 3D printer makers to unleash the full potential of their machines for faster printing and smoother surface finish.

The RAMPS modular platform is making Fused Filament Fabrication (FFF) 3D printing accessible to makers, small businesses, and home users, for fast prototyping, making replacement parts, or education. The Arduino Mega 2560, or Arduino DUE, baseboard provides basic control, ready for users to plug-in their own choice of motor driver, extruder controller, and any other desired functions using Mega-compatible expansion shields. As a plug-and-play expansion board, ST’s EVALSP820-XS can drive RAMPS printers at an unprecedented speed for greatly increased throughput ensuring superior smoothness with microstepping resolution from ½-step to 1/256-step per microstep. Key to this giant leap in 3D-printing performance is ST’s STSPIN820 stepper-driver IC which embeds high-speed motor-control input circuitry and algorithms developed for industrial applications. The 4x4mm QFN package also integrates a 1.5Arms output stage.

STmicroelectronics - www.st.com


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