Hints Please (DVD SMPS power supplies)
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Posted by Myauk on October 19, 2006, 5:04 am
Please log in for more thread options Well I would like to know the requirements for DVD SMPS. What are the constraints? What I know is they have their power requirements of 50W typically. The require voltage levels are +12, -12, 3.8 and 5. Sometimes -24 V is found. And there are voltage requirements as low as 1.8 V, I think. What more should I know if I want to design a SMPS for DVD player. I have already know some links. What I need now is some straightforward hints. Regards | |||||||||||||
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Posted by on October 19, 2006, 5:14 am
Please log in for more thread options >I would like to know the requirements for DVD SMPS.
>What are the constraints?
Most likely your output voltages may not swing more than 5%. >What I know is they have their power requirements of 50W typically.
Measure the load per low voltage side. >The require voltage levels are +12, -12, 3.8 and 5.
>Sometimes -24 V is found.
Properbly for motors. >And there are voltage requirements as low as 1.8 V, I think.
>What more should I know if I want to design a SMPS for DVD player.
Smps is complex. Consider if you shouldn't just buy a smps module. | |||||||||||||
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Posted by Myauk on October 19, 2006, 5:37 am
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.> Measure the load per low voltage side.
What is load per low voltage side? I need details on this. > Smps is complex. Consider if you shouldn't just buy a smps module.
Well complexity draws all my attention to it! I would like to be the one who designs and sells SMPS modules or I would like to be the one responsible for power supplies while being a part of a team designing a larger system in electronics. Regards | |||||||||||||
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Posted by Paul Burke on October 19, 2006, 7:09 am
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Myauk wrote: >
> I would like to be the one who designs and sells SMPS modules or I > would like to be the one responsible for power supplies while being a > part of a team designing a larger system in electronics. Check this site, which seems to be down at the moment: http://www.genomerics.org/. The owner is an expert in SMPS design. He can't get a job. Paul Burke | |||||||||||||
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Posted by Myauk on October 19, 2006, 9:17 pm
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>
> Check this site, which seems to be down at the moment: > http://www.genomerics.org/. > > The owner is an expert in SMPS design. He can't get a job. > > Paul Burke Thanks for your comments. I am not saying that I would do SMPS designs as a stand alone professional, but I would work in Power Electronics Field specializing on Switching Topologies and Power Converters. I started with UPS systems, inverters, AC relay type voltage regulators, then for now, I am studying SMPS designs, and then I could even go to the design and development of motor drive systems instead; I mean anywhere in Power Electronics Field. Regards | |||||||||||||
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