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I had calculated the ripple current for this circuit but the answer does not match with my simulation results. Can anyone help me to check my equations?
I obtained ripple current to be 3 but simulation shown the ripple current is 0.5.
It is unclear what point the scope simulation plot is of. It appears to be related the MOSFET output chop voltage. It is definitely not a plot of coil current.
If you are looking for battery ripple current you are going to have to put in representative resistance of output filter cap and battery Rs resistance. You should also put in coil resistance.
The equation is for very simple first pass estimate only true for idea components. Your sim at least has the real Rs of the MOSFET's which is enough to cause result to be different then the simple equation.
I'm measuring the battery current which is C1(1). Inside the 12V battery, i set the internal resistance to be 0.1.
Do u mean that I should put another resistance at the output?
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