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PMIC for AM389X

Chandru Dhavamani
Intellectual 1940 points

Hi,


1)We are looking for PMIC which can be used with "AM389X". Powers like 1.5V and 0.9V required by AM389X. You can suggest some part number from TI which you might
have used in your Evaluation boards / reference designs of AM389X which can generate all the 6 processor supply voltages (3.3V, 1V_AVS, 1V_Constant,
1.8V, 1.5V and 0.9V).

2) Where can I find the maximum current consumption of individual supply
voltage for "AM389X"  ? (I am able to find only the voltage ranges in your
datasheets/reference manuals of AM389X).


3) Please update on my query on heatsink requirements for "AM389X".


Thanks,

Chandru

  • 0
    TI__Intellectual 1940 points

    Hi,


    In addition to the below mentioned three queries, also provide your inputs
    on the following:
    4) Since the 1V_AVS rail power can vary between 0.8V to 1.05V, what is the
    default voltage expected by the processor on this power rail during the
    initial power up process ?


    5) We are aware from you datasheet just that Smartreflex uses AVS. We would
    like to know "how smartreflex communicates to the processor" when a voltage
    change(increase/decrease) is required as we need to implement the same in
    our design.


    Thanks,

    Chandru