+ Post New Thread
Results 1 to 14 of 14
  1. #1
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Circuit for detecting 110v and 220v

    hi
    i have a sysytem works with linear power supply,but i have a problem to switch from 110 to 220v .
    i need a shematic that can know electronically 110 v or 220 v,like the LED will turn on if the voltege is 220v .
    pleas if anyone has this shematic for that circuit send it to me
    regard

    •   AltAdvertisement

        
       

  2. #2
    Member level 1
    Points: 2,055, Level: 10

    Join Date
    May 2003
    Posts
    32
    Helped
    1 / 1
    Points
    2,055
    Level
    10

    220v detector schematic

    I think it's really easy to do...

    Take a look of the following circuit. Hope it can help.

    Wenye



  3. #3
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    220v detect

    thank you very much for your reply.
    this is the circuit iam looking for thanks again
    i need the real vulue of the componant that you use in that circuit
    regard


    2 members found this post helpful.

  4. #4
    Full Member level 4
    Points: 4,651, Level: 16

    Join Date
    Nov 2001
    Posts
    236
    Helped
    9 / 9
    Points
    4,651
    Level
    16

    110v/220v switch diagram

    Hi,

    But we are speaking of detecting 110v or abouve. Or one bit logic to tell in the line existes 110v, and another bit logic to tell the presence of 230v?

    NeuralC


    2 members found this post helpful.

  5. #5
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    thank you for your reply
    but the schematic we have doesnt show any values of the componanant used on it.what bits do you mean,i do need the circuit can detect 110v AND 220v .pleas if you have any other circuit send it to me
    thank you very much guys for your help


    2 members found this post helpful.

    •   AltAdvertisement

        
       

  6. #6
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    help!!
    thank you for your reply
    but the schematic we have doesnt show any values of the componanant used on it.what bits do you mean,i do need the circuit can detect 110v AND 220v .pleas if you have any other circuit send it to me
    thank you very much guys for your help



    •   AltAdvertisement

        
       

  7. #7
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    any adea guys
    pleas if you have any adea about he assue above send it to me
    thanks



  8. #8
    Advanced Member level 2
    Points: 5,256, Level: 17

    Join Date
    Jul 2001
    Posts
    597
    Helped
    14 / 14
    Points
    5,256
    Level
    17

    Re: 110v/220v detector

    Hi
    I have one idea is use peak detect (the circuit can be use by
    diode + Cap) ,



  9. #9
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    how you make a peak detector
    do you have any accurate schematic??
    pleas send it to me
    regards



    •   AltAdvertisement

        
       

  10. #10
    Full Member level 4
    Points: 3,419, Level: 13
    aNdreiBuuu's Avatar
    Join Date
    Apr 2001
    Location
    moon
    Posts
    223
    Helped
    25 / 25
    Points
    3,419
    Level
    13

    Re: 110v/220v detector

    You want an optoisolated one? or not optoisolated?
    //a


    1 members found this post helpful.

  11. #11
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    hi
    optoisolated or not doesnt matter
    you can send me both if you have them pleas.
    regards



  12. #12
    Full Member level 4
    Points: 3,419, Level: 13
    aNdreiBuuu's Avatar
    Join Date
    Apr 2001
    Location
    moon
    Posts
    223
    Helped
    25 / 25
    Points
    3,419
    Level
    13

    Re: 110v/220v detector

    I will draw in the weekend a schematic for you!
    best,
    //a


    1 members found this post helpful.

  13. #13
    Member level 2
    Points: 5,516, Level: 17

    Join Date
    Sep 2001
    Location
    USA
    Posts
    45
    Helped
    2 / 2
    Points
    5,516
    Level
    17

    Re: 110v/220v detector

    This app note from ON Semi may help you:

    http://www.onsemi.com/pub/Collateral/AND8005-D.PDF

    Regards,



  14. #14
    Junior Member level 2
    Points: 1,763, Level: 9

    Join Date
    Dec 2003
    Location
    usa
    Posts
    23
    Helped
    4 / 4
    Points
    1,763
    Level
    9

    Re: 110v/220v detector

    thank you very much sonic
    that is the shematic i was looking for
    thanks again



--[[ ]]--