abuaya Posted October 9, 2004 Report Share Posted October 9, 2004 hi this my frist try to design pcb i am trying to build step motor controller using uln2003 every thing is fine except that when the motor run the ic become very hot but when i reduce the volt to 6 v the ic run well am using 12v motor so i need ur help .thanks Quote Link to comment Share on other sites More sharing options...
MP Posted October 9, 2004 Report Share Posted October 9, 2004 abuaya,It is normal for this IC to run hot. However, if you are exceeding the specs for current which can be found on the data sheet, then you should design your circuit with a different IC or add transistors in the circuit.MP Quote Link to comment Share on other sites More sharing options...
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