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VG1 is the charger input, the charger will supply voltage in the range of 45-60v. VSI 40 is to supply initial voltage into the charger so that the charger will think it is a real battery. R4 and R5 ensure the the load between the FET is balance. At this time the charger comes and for few seconds...
I am trying to test a battery charger with a battery simulation. I have a source follower configuration circuit with op-amp for voltage differential. I Keep running into different problems. It seems as if my FETs are not sinking the current properly. Any suggestion or ideas?
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