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PIC interface with regulator..?

PostPosted: Tue May 03, 2011 9:24 am
by syntium87
hi..i have this problem..
i'm using the pic16f877a to send signal to a regulator IC so that i can boost up from +5V to +12V,these voltage is used for a series of switch..

then after i pressed one of the switch...the 12 V is step-down back to 5V..and send the signal back to the PIC..

my question is..do we have these type of regulator/converter?? i mean operated in 1 way or 1 line only(5V -> 12V -> 5V) which we can programme or somethg ??is it possible to do that?? and how to interface these thing together(pic + regulator) ?please help me... :? :(

Re: PIC interface with regulator..?

PostPosted: Wed May 04, 2011 8:22 pm
by yonghui
i think u can find some boost converter circuit online.
pulse generated from PIC goes to MOSFET or IGBT for boosting circuit.


regards,
yh

Re: PIC interface with regulator..?

PostPosted: Thu May 05, 2011 9:04 am
by syntium87
huhu..can it be interface on single line to use input & output together???
plz help me..

Re: PIC interface with regulator..?

PostPosted: Thu May 05, 2011 2:31 pm
by sich
syntium87 WROTE:can it be interface on single line to use input & output together???

Not really understand your question. What the purspose of doing so? Ur application is?

Re: PIC interface with regulator..?

PostPosted: Thu May 05, 2011 3:35 pm
by syntium87
what i mean is can a feedback signal being sent back to the pic?

Re: PIC interface with regulator..?

PostPosted: Thu May 05, 2011 11:39 pm
by yonghui
u can use a voltage divider on the converter output, feedback the analog voltage from the voltage divider of the output into the A/D converter of the PIC to read the voltage.