Maximum input current(amps) on Vamo V3

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Ronald3638

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Aug 16, 2013
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Zeeland, MI, USA
Here's what I have come up with if I have my math right.

The vamo outputs 6 volts maximum with a minimum of 3.2 volts. Assuming that you were able to get the maximum of 15 watts output the amp draw on the output would be 2.5 amps.

The ratio of the output to input voltages is 1.88 so 2.5 * 1.88 = 4.68 amps if the boost circuit were 100% efficient which it isn't so if we multiply by 1.25 we would get 5.86 amps. (80% derate factor)

A battery that can provide a minimum of 6 amps is what you would want to use to be safe.

If someone sees a flaw in my math or assumptions regarding the boost circuit please post your corrections.
 
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