Am using a 50KHz signal ....by the way it is a buck converterA normal high-side driver isn't going to work unless it is switching at more than a few tens of Hz.
I presume that this circuit doesn't switch very often, so would need one with a separate charge pump.
How about switching the negative side?
Yes, I saw that. Here's the problem:This is the circuit am using
Meaning that if solar voltage is 20V then gate voltage should be around (28-30).....Sir please explain am not understanding what you sayingYes, I saw that. Here's the problem:
View attachment 226459
There is a diode between "S" and "D" that is forward biased. It will not turn off, regardless of the gate voltage. If you reverse those connections, then the mosfet will be off and can be turned on with a gate voltage about 8V to 10V GREATER than the solar voltage.
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