Measuring current on negative supply rail with LTC6102

Question

Hello, 
 Can the LTC6102 be used to measure current on a negative supply rail provided that the LTC6102 is powered by a positive potential? I'm thinking that it can but would like to know if someone has experience doing so.. 
 Thanks! 
 Karl Gabel

GLADION · Accepted Answer

Hi KarlGabel , 
 Good day. Sorry for missing this thread. High-Side Positive Current Sensor Monitors Negative Supply (Application Note 2011) discusses how to use current sense amplifiers to monitor a negative supply. Hope this helps. Regards, Gilbeys)

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Measuring current on negative supply rail with LTC6102