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Ca n'est pas en pas plein et à forte puissance qu'il y'a un problème mais en micropas et à faible puissance (on parle de dead zone).The Origin Story
To find out, we’ve traced the origins of TL smoother technology to 2015, when user Schrodinger Z blogged about jerky stepper motor movement and investigated what was going on. As it turns out, the DRV8825 stepper drivers that he used weren’t generating smooth sine-wave signals for the motors. Upon further inspection, it was discovered that the drivers couldn’t properly output signals at low currents, as they were in a so-called “dead zone”.
L'analyse de l'onde d'un DRV8825 montre en fait un signal en escalier plutôt qu'une onde lissée. Les nouvelles puces tels que les TMC2100, TMC2208, et TMC2130 y réussissent mieux, tout comme des drivers très bon marché comme le très répandu A4988.Analyzing the sine wave for the DRV8825 usually shows a stepped signal, rather than a smooth one. Newer chips such as the TMC2100, TMC2208, and TMC2130 do a much better job at providing smooth signals, as do cheaper drivers like the commonly used A4988s.