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TPS3430-Q1: Hardware design, in the configuration of dog feeding time, how to consider? If the configured feeding time is too short (in order to meet the requirements of FTTI), the feeding time will arrive before the system is started. As a result, the sys

xiaofu wen
Expert 2475 points
Part Number: TPS3430-Q1

Hardware design, in the configuration of dog feeding time, how to consider? If the configured feeding time is too short (in order to meet the requirements of FTTI), the feeding time will arrive before the system is started. As a result, the system cannot be started. If the configured feeding time is too long (in order to meet the startup time requirement, but much longer than the FTTI time), although the system startup time requirement is met, the FTTI requirement cannot be met.

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    TI__Genius 9165 points

    Hello Xiaofan,

    I would like to introduce a new watchdog family https://www.ti.com/product/TPS3436-Q1 

    This device family offers multiple new features with better accuracy at much lower current consumption.

    One of the features is "Start-up Delay". User can select longer start up delay option (up to 10 sec) which will address above requirements.

    The start-up time can be terminated early once the host has completed boot up.

    Please check if this device works for you.

    Thanks and regards,

    Shridhar.