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TPS3809: May we use TPS3809K33 to replace UM803RS?

Part Number: TPS3809
Other Parts Discussed in Thread: TPS3890, TLV803, TPS3808-Q1, TPS3808, TPS3838-Q1, TPS3890-Q1

Hi Sir 

Because customer need automotive rating device, 

May we use TPS3809K33 to replace UM803RS?  what thing we need to notice?

May we use TPS389033GQDSERQ1(i will connect VDD and Sense toghter to monitor 3.3V, is it ok?) to replace UM805RE?  what thing we need to notice?

                                                                 Bogey