BQ24450: can this charger support super cap application

Kelly Bai

Part Number: BQ24450
Other Parts Discussed in Thread: BQ24640

hi team,

can our BQ24450 support super cap application?

or do we have a higher input voltage charger for super cap?

output voltage is about 30V, charge current is 5A/6A

thanks.

0 Nick Brylski over 5 years ago

Hi Kelly,

We don't recommend BQ24450 here as the voltage/current is very high for linear charger. Loss across the pass element and thermal rise is an issue.

BQ24640 is switching charger alternative but max output voltage is 26V.

Best,

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