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Battery Charging Circuit from 3-36 V input, supplying 4.2V rail

ikon
Genius 5355 points
Other Parts Discussed in Thread: BQ25703A

Hi Support,

Am looking for a part that is able to charge the battery and concurrently supply the 4.2V voltage rail.

Therefore, this part needs to be a buck boost type.

In addition, need to have wide input voltage range from 3V to 36V if possible as the input voltage come from vehicle battery 12V and 24V.  

Please advise.

Thanks.