LED Power Supply 220v to 10 x LED 3w 700mA

Discussion in 'The Projects Forum' started by Jose Luis Petracca, Nov 12, 2015.

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  1. Jose Luis Petracca

    Thread Starter New Member

    Nov 12, 2015
    1
    0
    Hello Everyone,
    I am trying to make a Grow Led Lamp. I had bought 750 led of 3watts each other.
    As they are a lot of led, what i am trying to do by my self the constant current power supply.
    What I designed is two different circuits. One is a constant voltage, thats convert 220v AC to arround 36v DC. The other is a constant current fix over 700mA.
    What do you think about my circuit? Is it going to work? What do you think i have to change?
    Regards!
    Jose Luis

    Moderators note: deleted dangerous circuit diagrams
     
    Last edited by a moderator: Nov 12, 2015
  2. Dodgydave

    Distinguished Member

    Jun 22, 2012
    4,998
    745
    TOTALLY ILLEGAL HERE... its a transformerless psu, you need to use a transformer or switch mode psu to lower the voltage.
     
  3. bertus

    Administrator

    Apr 5, 2008
    15,648
    2,347
    Hello,

    As said, leds to mains and transformerless powersupplies are not allowed over here.
    See section 6 of the user-agreement .

    Bertus
     
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