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Reg:-AD7280 (Li-Ion Battery Monitoring System)

Question asked by Prasad@5 on Oct 29, 2013
Latest reply on Nov 4, 2013 by CatherineR


             In the application note it is given that  the device AD7280 is used to measure stacked 48 Li-Ion cells  in a daisy chain manner and  that SPI communication is used between adjecent AD7280's .In that the Vdd of down device is same as the Vss of up device is connected ,their is no isolation communication between two adjecent devices.What is the common reference for the SPI in the adjecent devices?



Please find the attachment......................