Dec 15, 2015 #1 A ark5230 Advanced Member level 3 Joined Jun 29, 2009 Messages 862 Helped 163 Reputation 324 Reaction score 140 Trophy points 1,323 Location India Activity points 6,187 I am planning for a drive using 6 lead stepper motor STM-601 https://srijancontrol.com/dp_stepping_motor.php Operating voltage is 12 V Winding Resistance is 25 ohm. ULN 2003 or ULN 2803 seem to be insufficient in terms of total power handling capacity. Any advise for a suitable drive IC for the present application will be useful and be appreciated.
I am planning for a drive using 6 lead stepper motor STM-601 https://srijancontrol.com/dp_stepping_motor.php Operating voltage is 12 V Winding Resistance is 25 ohm. ULN 2003 or ULN 2803 seem to be insufficient in terms of total power handling capacity. Any advise for a suitable drive IC for the present application will be useful and be appreciated.
Dec 15, 2015 #2 A ahmed saad Member level 2 Joined Oct 26, 2015 Messages 42 Helped 7 Reputation 14 Reaction score 5 Trophy points 8 Activity points 219 you will connect the two common wires to 12 V you can use more than one ULN transistor in parallel to increase I each o/p can sink 500 mA or use 4 Mosfet transistors shuch as IRF540
you will connect the two common wires to 12 V you can use more than one ULN transistor in parallel to increase I each o/p can sink 500 mA or use 4 Mosfet transistors shuch as IRF540