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→Power Supply Unit (PSU) and recommended power-up sequence
== Power Supply Unit (PSU) and recommended power-up sequence ==
Implementing correct power-up sequence for i.MX93 SOC SoC processors is not a trivial task because several power rails are involved.
AURA SOM simplifies this task by embedding all the needed circuitry. The following picture shows a simplified block diagram of PSU/voltage monitoring circuitry:
The PSU:
* generates the proper power-up sequence required by the SOC SoC processor and surrounding memories and peripherals
* synchronizes the powering up of carrier board to prevent back power