Feb 3, 2007 #1 K khaila Full Member level 2 Joined Jan 13, 2007 Messages 121 Helped 5 Reputation 10 Reaction score 1 Trophy points 1,298 Activity points 2,105 3.3v to 24vdc 3.3V to 24V relay/contactor. I would design a controller system by using FPGA or 8051 in order to control devices with +24V. My quastion is: which ICs(relays/contactors) you recommend which is enables by +3.3V???
3.3v to 24vdc 3.3V to 24V relay/contactor. I would design a controller system by using FPGA or 8051 in order to control devices with +24V. My quastion is: which ICs(relays/contactors) you recommend which is enables by +3.3V???
Feb 4, 2007 #2 C clairvoyant13 Member level 3 Joined Dec 10, 2006 Messages 60 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,751 Why not use ULN2003 or ULN2803? Bye!!!
Feb 4, 2007 #3 M mamu_s Member level 2 Joined Feb 3, 2007 Messages 45 Helped 4 Reputation 8 Reaction score 2 Trophy points 1,288 Activity points 1,498 for simples cct you need only transistor... read about transistor as a switch..
Feb 4, 2007 #4 C cancel Full Member level 5 Joined May 27, 2001 Messages 250 Helped 15 Reputation 30 Reaction score 4 Trophy points 1,298 Activity points 1,876 if you need more than 1 i would preffer ULNxxxx which are darlingtn switches, check specs which voltage you need
if you need more than 1 i would preffer ULNxxxx which are darlingtn switches, check specs which voltage you need
Feb 4, 2007 #5 K khaila Full Member level 2 Joined Jan 13, 2007 Messages 121 Helped 5 Reputation 10 Reaction score 1 Trophy points 1,298 Activity points 2,105 clairvoyant13 said: Why not use ULN2003 or ULN2803? Bye!!! Click to expand... But my 24V is AC supplied from AC transformator. so what do you suggest?
clairvoyant13 said: Why not use ULN2003 or ULN2803? Bye!!! Click to expand... But my 24V is AC supplied from AC transformator. so what do you suggest?
Feb 5, 2007 #6 C cancel Full Member level 5 Joined May 27, 2001 Messages 250 Helped 15 Reputation 30 Reaction score 4 Trophy points 1,298 Activity points 1,876 you mentioned +24v in your first post, it implies 24v DC. Also i think that your relay is DC type (more common) so just use 24v DC
you mentioned +24v in your first post, it implies 24v DC. Also i think that your relay is DC type (more common) so just use 24v DC