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Recent content by Andrew Lebon

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    How to design a smps based battery charger?

    Re: smps based battery charger Hi Tpetar greetings sir please can you give some links of electronic diy smps sites of your country or some smps russian sites i am a newbe to electronics i would like to gain some knowledge from these sites please can you help me warm regards andrew...
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    softstart used from this circuit
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Deepone greetings can this ocp be used for ir 2153 smps using current sensing trafo 1:100 turn ratio warm regards andrew lebon:idea: - - - Updated - - - Hi Deepone greetings can this ocp be used for ir 2153 smps using current sensing trafo 1:100 turn ratio warm...
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    post#14 and post#48 used to make smps Hi Picgak greetings combination of both above mentioned post used to make smps FOR totem trs use BD139 BD140 WARM REGARDS andrew lebon
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hello Irvynejay greetings NICE to see you make this smps warm regards andrew lebon
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Deepone greetings can i remove all 4 IRFP460 AND REPLACE WITH IGBT IRG4PF50W are they ok to use i use freewheeling diodes warm regards andrew
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Deepone greetings can i use igbts in my smps now is it possible warm regards andrew lebon - - - Updated - - - Hi Deepone greetings can i use igbts in my smps now is it possible warm regards andrew lebon - - - Updated - - - Hi Deepone...
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    short circuit/over voltage/over load protection in smps

    Hi Picgak greetings thanks for helping at this very moment i am building this ocp warm regards andrew lebon
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    short circuit/over voltage/over load protection in smps

    https://www.redcircuits.com/Page62.htm Hello greetings i tried many ocp circuits for my IR2153 SMPS i have failed due to lack of knowledge cant find any schematic for ir2153 ocp can this circuit be used to cut ac input if ac current EXCEEDS 8 amperes at least smps will be safe PLEASE can...
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    short circuit/over voltage/over load protection in smps

    Hello greetings can anyone tell value of prest R8 and Q4 Q3 please can anyone help warm regards andrew lebon - - - Updated - - - sorry for not posting circuit:oops:
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Deepone greetinks thanks for reply any idea what is value of preset and transistor numbers i want to try everything warm regards andrew lebon
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Deepone greetings tried both ocp circuits when i use TL431 and opto 817 smps does not come on when i use 555 ocp smps comes on but ocp not working please any tips warm regards andrew lebon
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    https://www.detex-audio.com/index.php/topic,50.30.html Hi Deepone greetings detex audio say your smps is good warm regards andrew lebon
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    Hi Stronghold6 greetings i used VIPER22A EASY TO USE AND circuit is more compact warm regards andrew lebon - - - Updated - - - Hi Deepone greetings i am going to try your message from #44 please can you give details of current sensing transformer core ans swg...
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    +40V 0v -40v / 10A SMPS For Power Amplifier

    https://youtu.be/fCtDoRwAJ0I
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