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Ok, sorry for last post. I have been checking more, I have 2x mosfets per channel, one channel has irfz24n the other one 9z24n (irf as well) the 9z24n are faulty. Once I change this and try i will mark this thread as solved :)
hello, is that possible that the chip developed an internal fault and that's it? I have checked everything down the line until the isolation transformer that then goes to the mosfets. all mosfets are goods, all parts from pin 11 and 14 are good. any thoughts? thanks!!!
thank you for your kind reply e-design. the waveform I didn't take a picture of it unfortunately, it is something along those lines
When the machine trigger is pressed it gets ten times faster, but always same shape.
What could possibly load it?
Hello, I have a KA3525A Chip that controls a plasma cutter board. The plasma has been checked for all obvious faults (defect is it turns on gives air but no "sparks") nothing turned out to be faulty. I have checked pin 11 and 14 (the two outputs) in circuit with an oscilloscope and instead of...
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