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Class D Switching Power Amplifiers and Power D/A conversion

Infineon MA12070 Class D
Infineon MA12070 Class D
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Old 14th October 2021, 12:43 AM   #511
Michael Xiao is offline Michael Xiao
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Join Date: Oct 2021
Quote:
Originally Posted by Yatsushiro View Post
Does this work?
The burned IC is CH224K and I had explained the reason why it will be burned in the last reply. For this board, First you can remove the burned IC and check the 5V power supply, then check the MA12070Pís IO haven't breakdown by Rpi.At last please confirm the max voltage is 20V, if you remove the CH224K firstly, you can put 24V.
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Old Today, 10:52 AM   #512
maciekw is offline maciekw  Poland
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Join Date: Nov 2004
Location: Warsaw
Default long cable

Hi Michael:
I have a question for you: with long speaker cables (5-6 meters) should I use additional output EMC filters for your amplifiers?
I want to use your amplifier modules to power my surround speakers for my home cinema.
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Old Today, 02:47 PM   #513
ernperkins is offline ernperkins  United States
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Join Date: Nov 2009
In case you haven't seen it, here's the Infineon app note on using filters. It should answer your questions.

Last edited by ernperkins; Today at 02:48 PM. Reason: typo
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