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Linux/AM5718: Support for power mode and life-cycle testing

Nikunj Patel
Expert 1870 points
Part Number: AM5718
Other Parts Discussed in Thread: TPS659037

Tool/software: Linux

Dear all,

Please provide us the support for below queries.

  1. We developed our product based on "AM5718" with "SDINADF4-16G-H" eMMC. Our product has a 10-year product lifecycle and we need to confirm that the eMMC wear will not be an issue for our product for this period.
    • We did use of "drivers/mmc/host/omap_hsmmc.c" ti driver. 
    • We are currently use "FAT & ext4 " file system on our board same as TI exist SDK.
  2. We used "TPS6590379ZWST" PMIC IC on our board which is the same as AM5718idk. Please provide us the information that how much power management features are available? also, provide details that how we can use these modes in our system? Is factory configuration of the PMIC required? Are the defaults being changed?
  3. We need reliability test for MMC, DDR, and MIPI Busses so please help us how we will do this test?

Thanks & Best Regards,

Nikunj Patel

  • 0
    TI__Genius 13567 points

    Hi Nikunj,

    You might be interested in the MTBF and FIT rate testing available on the "Quality & packaging" tab of the device's product page. 

    1. Can't comment on the reliability of the emmc chip or filesystem. And our driver software is provided "as-is".
    2. That PMIC supports OFF state and ACTIVE state. See the TPS659037 datasheet and the AM57x PMIC user guide for details on those states. It is best to keep the defaults and allow u-boot and Linux to manage the PMIC for you.
    3. Can't comment on reliability testing procedures

    You must design your system to meet all the requirements presented by the AM5718 Datasheet. This includes requirements on voltages, frequencies, temperature, IO voltages, IO loading, and more. If all these requirements are met then you can observe the lifetime and power-on-hours (POH) of the SoC that is specified in the datasheet section 5.3. I also recommend you read the Important Notice and Disclaimer on the last page of the datasheet.

  • 0 in reply to Ahmad_Rashed
    Expert 1870 points

    Hi Ahmed,

    1) We followed "AM5718idk" & "EVM" as reference for our board design. We must have to reliability of 10 years for our product. who can help us for this query?
    2) I checked datasheet and it show "OFF", "ACTIVE" & "SLEEP" mode, so is there any reason that we don't use the "SLEEP" mode on our board? also provide more details for how we will manage PMIC using "u-boot" & "Linux"?
    3) still we need more support for "reliability testing procedures for MMC, DDR, and MIPI Busses" so please provide us.

    Thanks & Best Regards,
    Nikunj Patel

  • 0 in reply to Nikunj Patel
    Expert 1870 points
    Gentle Reminder,

    Thanks & Best Regards,
    Nikunj Patel
  • 0 in reply to Nikunj Patel
    TI__Genius 13567 points

    1. We don't warrant our EVM for 10 years. It is provided for functional reference. 
    2. This is a different topic that should be asked in another thread.
    3. We don't provide reliability testing procedures. We provide specifications in the datasheet that must be met by customer responsibility.