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TPS549B22: Automotive compliant PS module to implement in my design

Part Number: TPS549B22
Other Parts Discussed in Thread: LM61495-Q1, LM5176-Q1

hi,

i'm planning a card to an automotive purpose but not a critical system - can be called infotainment....

i can't understand if i must take only AEC-Q-XXX compliance parts  ot i can use usual parts. it is a problem in all the card i'm planning and it is very difficult to find these parts. 

for instance i'm now looking for dc/dc power module 12V to 5V/7A and i can't find anything like that, especially with the AEC-Q-XXX compliance.

does anyone can advise me?

br