Audio Project Amplifier Speaker Loudspeaker Kit
diyAudio.com diyAudio Forums Archive > Top > Other Stuff > Car Audio
 
SMPS 12VDC to +-45VDC - Click HERE for Original Thread
Luciperro
Schematic Switch Mode Power Supply + Amp 300W



http://serv2.imagehigh.com/imgss/5257475_Wave forms.jpg
http://serv2.imagehigh.com/imgss/5257479_DSC09602.JPG
http://serv2.imagehigh.com/imgss/5257567_DSC09610.JPG
http://serv2.imagehigh.com/imgss/5257568_DSC09609.JPG
http://serv2.imagehigh.com/imgss/5257569_DSC09611.JPG
Luciperro
PCB layout SMPS
Clipped
cool, does it work? built one yet?
Luciperro
yes it does they are all ready working now
Pierre
Hello, Luciperro:
Very nice, but I have a few questions...

- Did you use 4+4 or 8+8 turns for the primary? And for the secondary, did you use 11+11 or 22+22?

- The transformer primary waveforms look rather triangular, you should try to use a buffer between the SG3524 and the mosfets, or reduce switching frequency for better efficiency. Did you try that?

Best regards,
Pierre
N-Channel
quote:
Originally posted by Pierre

....- The transformer primary waveforms look rather triangular, you should try to use a buffer between the SG3524 and the mosfets........

I think he's using an SG3525 w/totem-pole outputs.

Steve
bullit_90
quote:
Originally posted by Luciperro
Schematic Switch Mode Power Supply + Amp 300W



http://serv2.imagehigh.com/imgss/5257475_Wave forms.jpg
http://serv2.imagehigh.com/imgss/5257479_DSC09602.JPG
http://serv2.imagehigh.com/imgss/5257567_DSC09610.JPG
http://serv2.imagehigh.com/imgss/5257568_DSC09609.JPG
http://serv2.imagehigh.com/imgss/5257569_DSC09611.JPG

Nice one!

do you have schematic of smps and amplifier?
and pcb to the amplifier?

thanks!
Luciperro
Schematic Power Amp 100W

Luciperro
:) Impreso cobre
rampa
Hi.
Dunno why ne1 post here... but i maked SMPS and amp and it work / sound great.

thx..
scrts
Maybe You have SMPS baord ? Also, what is maximum power of SMPS?
redhorseaudio
Hello Luciperro,

Nice one!

do you have schematic of preamp specialy for this amps? Please reply post urgent very very urgently

Thanks

Page generated in 0.031815052032471 seconds with 17 queries,
spending 0.00830436 doing MySQL queries and 0.02351069 doing PHP things.

Powered by: Search Engine Indexer and vBulletin
Copyright ©1999-2008 diyAudio.com