power amp protection circuit simulation

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ntetlow

Joined Jul 12, 2019
71
I've bought the pieces to assemble the power amp K8060 Vellman amp.
Before I do I've put together the LTSPICE schematic to test the circuit and to understand the electronics involved. I would like to simulate the sittuation where the precaution part kicks in and the Darlington pairs are cut off. Can anyone tell me how I can simulate this either by changing the input or altering resistance values somehow? Ive attached thhe asc file I'm using.
 

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wayneh

Joined Sep 9, 2010
18,104
If the protection is meant to protect against a short, I suppose you could short the output, or maybe use a 0.1Ω resistor as the load. That would let you see the current and power there.
 
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