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Old 7th March 2010, 03:58 PM   #1
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Default 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 ..... Is it really required that much of power supply......?
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Old 7th March 2010, 04:22 PM   #2
authlxl is offline authlxl  China
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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.
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Old 7th March 2010, 04:35 PM   #3
Nisbeth is offline Nisbeth  Denmark
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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.
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Old 7th March 2010, 04:45 PM   #4
authlxl is offline authlxl  China
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I think you can try it ,when you meet question ,upload and find idea for members on diyaudio.good luck to you!
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Old 19th March 2010, 10:43 AM   #5
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Quote:
Originally Posted by authlxl View Post
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.
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Old 19th March 2010, 10:52 AM   #6
authlxl is offline authlxl  China
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I think you can use a 300W transform out AC22-24v,Try it!
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