13.6/20A new smps

[CHACALPOWERS]

Hi Dears

This is my new switched power supply. Only 14cm X 9cm, builded with SG3525, IR2110, IRFP264, 127AVC input, 13,6VDC output, 20A max.
Your comments are ALWAYS WELLCOME.

Thank you very much.

Sandro/CHACALPOWERS
From BRAZIL.

[luka]

Hi

Well not bad at all, very small...can you get 13.6v@20A?

[CHACALPOWERS]

Hi Luka

Yes, it's supplies 20A working in "top limit" mode, because the core and output diodes are so hot. But, 15A is the safe current range .

Thank you very much.

Sandro

[luka]

Hi

What will you use it for, or did you just make it "just coz you can"

[sivan_and]

it would've been better if its dual 24 ~ 30 volts @ 5 amps..Good work anyway for the try..i like the simplicity...why try with transformers instead of IR2110 ?..post the circuit

[areza]

ya like to see the schematic..........

[CHACALPOWERS]

My use for the SMPS showed is for ham apliccation, because I have a ICOM IC-2200H vhf trasnceiver, Ok? Also can it use the SMPS for battery charger, but only upper the voltage to 14.5V.
Excuse me, but the schematics only by e-mail because it is so big to post here. (PDF archive).
Please, you contact me in

chacalpowers@gmail.com

and I will send the schematics to you.

Thanks

Sandro/CHACALPOWERS

[CHACALPOWERS]

Hi.

It's another pic to see.

Thanks

Sandro

[luka]

Hi

Do you have any kind of current limiting? Coz not full batterys will charge at 13.8v and only at the end go to 14.4v, after that you should lower woltage down to 13.6 for not charging and not draining. You could use 0.1R in series to create so voltage drop to limit charging current

[CHACALPOWERS]

Hi

Ok Luka, you are correct.

Thanks

Sandro