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FrankK's avatar
FrankK
Icon for New Contributor rankNew Contributor
1 year ago

MAX10 user mode after undervoltage event

According to „Power Management User Guide“ for MAX10 family, an internal Power On Reset monitor takes care, to keep the device into RESET state until power supply has reached recommended operating range.

Assuming following scenario: Power supply drops during user mode operation to a random voltage level between 0V and POR trip level and recovers from that residual value back to nominal level after an undefined time duration.

Question: Would MAX10 restore full user mode functionality after power supply has settled at nominal level again? If not, can user mode be properly re-enabled by assertion of nCONFIG input pin after such a brownout event?

Configuration

3 Replies

  • FvM's avatar
    FvM
    Icon for Super Contributor rankSuper Contributor
    1 year ago

    Power management user guide states that configuration may fail if power supply ramp times are not met.

    I expect that asserting nConfig after establishing regular supply voltage levels would help in this situation.

  • Ash_R_Intel's avatar
    Ash_R_Intel
    Icon for Regular Contributor rankRegular Contributor
    1 year ago

    For MAX 10, reconfiguration is not usually required. However, if your design does not functional correctly, then you may choose to do reconfiguration by pulling the nCONFIG pin low.


  • Ash_R_Intel's avatar
    Ash_R_Intel
    Icon for Regular Contributor rankRegular Contributor
    1 year ago

    Hi,

    As the query has been answered, I am setting the case to closure. However, it will still be open for the community members to comment on.


    Regards