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TPS3813-Q1: The watchdog fails to be fed

Part Number: TPS3813-Q1

Hi Team,

The watchdog fails to be fed. Could you kindly give a hand?

Figure 1 is the signal that cannot be started. The boot dog feeding interval is 10ms. Before entering the app, the boot sends a dog feeding signal, resulting in the two dog feeding signals of 2.4ms.

Figure 2 is the dog feeding signal of the normal starter