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Dear Experts
I want to know the smps designing help regarding UC3842, TL494 , SG3525 PWM Controller. which is best for SMPS. where i can find complete design help. how the circuit is design. example how to calculate resistor and capacitor values according to input and output voltage. i want to...
Dear Amjadali
you told me that 25+25 turns. but according to the switching frequency selected in uc3842 is 111.688 Khz. Rt=7K Ct=0.0022uf in your circuit. formula for frequency is f=(1.72/(Rt*Ct)). number of turns for primary is calculated by your below mention link is:
**broken link removed**...
Dear amjadali
thanks for your reply. do u have any 12 volt charger which is TL494 based. Is this UC3842 Charger is 100% working or is there any problem in its design?? if any problem then please tell me.
Dear Experts
can u please tell me the transformer turns. in schematics of transformer there is 50 turns 2 layers. but below in description there is 25 turns 2 layers. can u please tell me how can i calculate turns ratio. how u calculate 50 turns 2 layers for 220 volt ac input and then 8 turns...
Dear Experts
I want to learn about designing of Switched Mode Power Supply. please tell me step by step procedure of designing my own SMPS. i am beginner in SMPS, so please help me.
Regards
MM Khan
Dear Experts
I need Eagle/Orcad software gerber design file to make a pcb. please send me complete files to make my own pcb for charger and also tell me how i can purchase ferrite core transformer.
Regards
MM Khan
Dear All Experts Specially KG300 and PNJBTR
i want to make ur 12 volt smsp charger for 12 volt 220 ampere battery. now please send me the schematic and smps transformer winding procedure with all details of core etc. i m waiting for your reply.
Dear internetuser2k12
please send me your vb and c source code. it is so much helpful for me for making my final year project. please help me
my email address is xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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