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How to increase a current used to control this step motor?

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Amplifier current!!!

Dear EDAboard!

I only have a Uln 2803 Ic ( max current :500mA)
but i want to control a stepper motor (parameter 1.8 degree/step _ 4.4V _1.15 A) which use ULN 2803
How to increase a current use Tip 120.. to control this stepper motor
Help me!!! ( schematics or ideal)
thanks in advance!!!
 

Re: Amplifier current!!!

Better option is to use MOSFET transistors with low Rds value
(Example: IRF7468)
and drive them with a standard MOSFET drivers ..
 

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