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-   -   need help to design a power supply for tas5615 (http://www.diyaudio.com/forums/class-d/162738-need-help-design-power-supply-tas5615.html)

udhay_cit 7th March 2010 03:58 PM

need help to design a power supply for tas5615
 
Hi, I want to design a toroidal transformer power supply for my 300W sub woofer amplifier[TAS5615]

My power supply i unregulated and the maximum input supply level is 50V for TAS5615. So what could be my transformer safer secondary voltage rating. I didn't decide my transformer type whether center tapped or bridge type and i don't know which one is best.

TI recommends 16A current rating :eek:..... Is it really required that much of power supply......?

authlxl 7th March 2010 04:22 PM

Oh! you can't get 300W with TAS5615,THD so large,tweeter will be burned,I think you should use an regulated power supply,SMPS or liner power,I have send lots of picture on diyauduio,you can search it and research it,if you still have question I think I can give your some ideas.

Nisbeth 7th March 2010 04:35 PM

The 16A is the peak current capability which is mainly relevant if you are designing an SMPS. The average power is considerably less and a linear supply will have no problems providing the current. I would use a 300VA transformer although 150VA-500VA should be acceptable.

/U.

authlxl 7th March 2010 04:45 PM

I think you can try it ,when you meet question ,upload and find idea for members on diyaudio.good luck to you!

udhay_cit 19th March 2010 10:43 AM

Quote:

Originally Posted by authlxl (Post 2110658)
Oh! you can't get 300W with TAS5615,THD so large,tweeter will be burned,I think you should use an regulated power supply,SMPS or liner power,I have send lots of picture on diyauduio,you can search it and research it,if you still have question I think I can give your some ideas.

can you give me any circuit linear power supply for 35V / 6A...But the pass transistor will heat too much.. May i use any unregulated power supply for tas5615. Please give me a solution.

authlxl 19th March 2010 10:52 AM

I think you can use a 300W transform out AC22-24v,Try it!


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