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9.6V - 63V Vpwr could be powered by the cells it is monitoring as long as we only monitor 3 modules/chip (3*4series*4.2max = 50.4V 4*4series*4.2max = 67.2V)
or we plan to power the AFEs externally?
5V at 5mA reference supply output
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buffers output from thermistor multiplexor
SPI to isolated SPI convertor
convert to isolated spi for communication with other boards
Old Invertor? - might not be needed if we dont have SCLK going to GPIO from mux
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