Precise Motor Current Setting?

From the original Synthetos forum (2011–2025)

Started by CS223 on Sep 13, 2016 in TinyG Support. 1 reply, last activity Sep 19, 2016.

CS223 Sep 13, 2016 #

Is there a point on the PCB where you can measure the voltage drop across a resistor or winding or similar and accurately set the motor current?

cmcgrath5035Staff Sep 19, 2016 #

Schematics can be found here:

https://github.com/synthetos/TinyG/tree/master/hardware/v8schematics/v8h

Pull up the spec sheet for the TI drivers - challenge will be that the current llow in the differential comparator circuit is pulsed - you will need good instrumentation.

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