Welcome @SU1, to the community!
With your given parameters you can have a look at the following PMICs:
They can be operated with a VBAT of up to 32V. But you probably need a higher input voltage range because of the expected load dump tests, don't you?
Regards
/Peter
In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
