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BTL Clipping indicator
BTL Clipping indicator
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Old 17th April 2019, 08:20 AM   #1
steppler is offline steppler  Denmark
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Default BTL Clipping indicator

Hello

Please, how to make clipping indicator for bridge amplifier (e.g. TDA8954 BTL mode)?
I found many different circuits, but nothing BTL. Everything loudspeaker to GND.
How to btl output?
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Old 18th April 2019, 02:22 AM   #2
CBS240 is offline CBS240  United States
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Hi
If the signal is bridged, couldn't a clipping fault be detected from just one output? Rod Elliot's site has a simple clipping fault indicator circuit that should work swell.
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Old 18th April 2019, 02:25 AM   #3
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally Posted by steppler View Post
Hello

I found many different circuits, but nothing BTL. Everything loudspeaker to GND.
Why is that a problem ?
You only need to look at one phase end for clipping.
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