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DRV3201-Q1 EN, B_EN and Boost UV Flag (A-66)

Hello,

 

Please answer following question from customer.

 

Customer tries to change EN and B_EN from Low to High at the same time, and behavior of BOOST and ERR terminal is as follows.


 

Q1:

ERR terminal goes High to Low (BOOST UV error) after 1ms of rising edge of EN and B_EN.

According to this behavior, it can be understood that Boost Converter and BOOST UV error detection start after rising edge of EN.

Please advise if above understanding is matched with DRV3201 specification.

 

Q2:

According to this behavior, it can be understood that Boost Converter and BOOST UV error detection start timing is same so Boost UV error will occur unavoidably at start-up.

Please advise if above understanding is matched with DRV3201 specification.

 

Best Regards.