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Making car amplifier SMPS with tl494 + DC Protection
Making car amplifier SMPS with tl494 + DC Protection
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Old 18th June 2017, 12:41 AM   #761
Greg32 is offline Greg32  Australia
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Omibdimo please post what you have already and a description of what you are trying to achieve. Greg
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Old 18th June 2017, 02:09 AM   #762
Greg32 is offline Greg32  Australia
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Omidbimo can you post what you have so far, and a description of what you wish to achieve. winding a transformer is not overly difficult but there is a lot to consider.
Greg
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Old 21st June 2017, 10:44 PM   #763
OmidbimO is offline OmidbimO  Iran
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Quote:
Originally Posted by Greg32 View Post
Omidbimo can you post what you have so far, and a description of what you wish to achieve. winding a transformer is not overly difficult but there is a lot to consider.
Greg
thank you
praymery:i make 5 turn in half of core and more 5 turn in half or core
secondery:i make 20 turn in all of area core
how correct it??!
exusme im not good at english

ممنونم از شما
اولیه:5 دور در نصف هسته و 5 دور دیگر در نصف هسته
و بیست دور در ثانویه در کل هسته
این درست است؟
عذر خواهی میکنم انگلیسی من خوب نیست!
الان تبدیل ولتاژ من کار میکند اما من میخواهم مطمین باشم از نحوه پیچیدن هسته!
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Old 21st June 2017, 11:02 PM   #764
OmidbimO is offline OmidbimO  Iran
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Quote:
Originally Posted by Greg32 View Post
Omidbimo can you post what you have so far, and a description of what you wish to achieve. winding a transformer is not overly difficult but there is a lot to consider.
Greg
this is my shematic
Click the image to open in full size.
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Old 22nd June 2017, 08:15 AM   #765
Greg32 is offline Greg32  Australia
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Not sure what happened but the picture is not view-able. what are the secondary voltages you are trying to create? what power?
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Old 22nd June 2017, 08:17 AM   #766
Greg32 is offline Greg32  Australia
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have a look here Switchmode Power Supply For Car Audio
this has a lot of good information
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Old 25th June 2017, 10:31 AM   #767
OmidbimO is offline OmidbimO  Iran
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Join Date: May 2017
Location: Iran
Quote:
Originally Posted by Greg32 View Post
Not sure what happened but the picture is not view-able. what are the secondary voltages you are trying to create? what power?
1000 wat (2*50v)
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Old 25th June 2017, 10:34 AM   #768
OmidbimO is offline OmidbimO  Iran
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Join Date: May 2017
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Quote:
Originally Posted by Greg32 View Post
have a look here Switchmode Power Supply For Car Audio
this has a lot of good information

I'm wrapped around the core, but the MOSFETs are getting hot
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Old 25th June 2017, 01:22 PM   #769
Greg32 is offline Greg32  Australia
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post a picture of the core?
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