767
edits
Changes
→Power specification
{{InfoBoxTop}}
{{AppliesToNaon}}
{{AppliesToDido}}
{{InfoBoxBottom}}
==Power specification==
[[NaonSOM:Category:Naon|NAON]] requires two power rails:
# 3.3V (mandatory)
#* this rail provides main power and must be connected to regulated power supply (3.3V ± 5%)
#* voltage range is 2.7 - 5.5V
#* current consumption (main is not applied): 7uA typ, 10 uA max.
==3.3V power consumption==
In order to address heat management issues properly, please take into account that the majority of power is consumed by the DM814x/AM387x processor. For you convenience here are thermal data of processor's package. Please refer to Texas Instruments Application Report SPRA953B entitled "Semiconductor and IC Package Thermal Metrics" for more details.
The following picture shows the power sequence of Naon SOM in this typical scenario. It is assumed that:
* carrier board implements power supply unit providing 3.3V power supply voltgage
* Maya Naon module in interfaced to generic circuitry (I/O controllers, additional flash memories etc.) operating at 3.3V.
[[File:Naon-power-sequence.png|300px|center]]
In order to respect required CPU power-up sequence, these steps must be applied:
