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66AK2G12: 66AK2G12ABYA100E

Part Number: 66AK2G12
Other Parts Discussed in Thread: TM4C129XNCZAD, TPS65911,

HI Team

In 66AK2G12ABYA100E reference schematic from TI , we can see that TPS65911A is being used and its powered by external DCDC converter and that converter is enabled by TM4C129XNCZAD chip which is a controller. so kindly let us know the importance of TM4C129XNCZAD in this schematic and also let us know is there any issues if TM4C129XNCZAD not used.

Like any dependency of TM4C129XNCZAD in functioning of TPS65911A ?.

Regards

Nagaraj.Thonse

  • I'm assigning this thread to our EVM team.

    Regards,
    Paul

  • Hi Nagaraj,

    The BMC controller can be removed, the board mgmt functions it provides will need to be handled in some other way.  For example, the EVM has two different crystal frequences, and the BMC will select the desired input clock.  For your system, likely there will be just one clock.  Another function the BMC performs is setting up the bootmode pins of the K2G processor.  This can again be done in a static fashion, or with switches on your board.  Finally, the BMC routes the various push-buttons to the SoC and need to be handled.

    The TPS65911A will come up once UVLO on 5V is exceeded independent of the BMC.  This document describes integration of the TPS65911A and 66AK2G12 devices.

    Regards,
    Mike