Class-d amp running at +-45V

Tried to run the prototype on +-45V. Works fine but, I need to add more dead time. It runs so hot without a heatsink that the PCB warms upp and thereby warms up the thermistor used in the over heat security circuit, and this is when it is just mounted on the PCB and

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Class-D Amp version 3 running

Well it’s been some time since I started working on my third version of my class-d design. It has taken some time to make work reliably.

I had designed without any means of additional dead time than is provided by the gate diodes and resistors. This is simply not a way to go. The output simply

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