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Wanting to use the I2C expansion bus to connect some proprietary cards, I wonder what is the maximum current that the + 5Vdc (the one for sensitive electronics) is able to deliver and how many devices can be connected to the reset signal.
The + 5Vdc and + 5V (AUX) signals are connected together on the CPU module, we have diversified them on the BUS with the intention of connecting the electronics to the + 5Vdc and any loads to + 5V (AUX) (for example our boards expansion cables connect the relay coils).
This type of connection allows to have a lower voltage drop on the + 5Vdc due to the lower load. The total current supplied, however, is that indicated in the characteristics (In the case of MPS052 it is 2.5A).
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