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19th January 2011, 02:28 PM
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#1 |
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diyAudio Member
Join Date: Nov 2005
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Need good DC protection circuit for Class D
I never success to build DC protection which is normally use with AB amp with class D amp. I found that those circuits did not work at high level out put from D amp. Is there any good circuit?
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20th January 2011, 12:35 AM
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#2 |
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diyAudio Member
Join Date: Apr 2008
Location: Carlisle, England
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Are you sure you need protection with a class d amp ?
I use an IRS2092 based class d amp and that has protection built in. Click and pop suppression. It also resets if the MOSFET takes too much current, i.e. short on output. If all the power supplies dont come up it wont start.
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http://www.murtonpikesystems.co.uk PCBCAD50 pcb design software. |
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