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TPS3431-Q1: The Limit of CWD Adjustable Capacitor Wtachdog Timeout

hideyuki sakai
Mastermind 6250 points
Part Number: TPS3431-Q1

Dear, Sir.

My customer is looking for the WDT(Watchdog Timer) to be set tWD between 10ms to 25ms.

I think TPS3431-Q1 can be set it by CDW, but the duration is too short.

I wonder such short tWD is realized using TPS3431-Q1?

Please give your advice.

Best Regards,

H. Sakai

  • 0
    TI__Genius 12630 points
    H Sakai,

    The minimum limit for tWD on TPS3431-Q1 is 62.74 ms typical using a 100pF capacitor on CWD. Unfortunately there is no option for lower than 62.74 ms with this device.

    Can you provide more details on the requirement for such a short watchdog timeout? Please feel free to email me directly at michaeldesando@ti.com so I can learn more. Thank you!

    -Michael