Calculate the correct current limit for driver A4988

Other Hardware Motors, Mechanics, Power and CNC
16

Hi,
This VERY basic circuit of the 293 may help.
When conducting current it has to flow through 2 BJTs.
They each drop a minimum of 1V across their Collector -Emitter, this is lost power.
l293d-clock-wise-direction-current-flow_orig

Tom... :grinning: :+1: :coffee: :australia:
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