miriac SBC-S32G-R3_User Manual
V 3.2
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© MicroSys Electronics GmbH 2021
Input Protection
The board is protected against wrong polarity and over-voltage spikes.
J1 is for surge protection. It monitors polarity and over-
voltage. Voltage “VIN-1” is
limited to 36.0V. This is the maximum voltage for supplying regulators and the
SoM.
4.4.4 Power Supply Structure
■
Input power from PWR connector is fed in parallel to:
a) MPX-S32G274A module
b) DC/DC 12V to 5V0 @5A
c) DC/DC 12V to 3V3 @5A
d) DC/DC 12V to 1V8 @5A
e) DC/DC 12V to 7V5 @450mA
■
The 3V3 DC are fed to
a) DC/DC 3.3V to 1V5 @1A
b) DC/DC 3.3V to 1V1 @1A
c) DC/DC 3.3V to 0V9 @1A
The following diagram shows the Power Supply structure:
Figure 4-5 Power supply structure
