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[FAQ] TPS1HB08-Q1: ISNSFH at low VBB

Part Number: TPS1HB08-Q1

Tool/software:

Hello All, 

When operating at low VBB the RSNS value needs to be scaled to match this operating voltage. For an application reference, to get the correct ISNSFH values mentioned in the data sheet the following equation must be met:

 VBB -  ISNSFH (RSNS + 200 ) > 0.7

Using this equation the 2 constants are listed below:

VBB  = 6V (low nominal voltage)

ISNSFH = (4mA - 5.3mA)

This results in an RSNS(max) of ~800Ω!

BR, 

Alan