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BQ24105 Minimum Vin to charge 3 Series Cell Lithium Ion pack

Fergal Brennan
Prodigy 40 points
Other Parts Discussed in Thread: BQ24105

 

Hi there,

I am about to design a 3 cell battery charger based on the BQ24105 device. The question I have is this, we are limited to a 15V input voltage that will pass through a diode bridge before reaching the charger. So the charger will see 14.4V or so at its input.

Will this input voltage be enough for the charger to operate at, considering I want a fast charge current of 1.0A ?

Thanks,

Fergal....