TPS3850: WATCHDOG

Part Number:TPS3850

Is TPS3850 is the right solution for:

I am looking for watchdog, Or any other devise

 We have problem, Which happens very rarely, but I have to find a solution

When the VCC 3v wakeup, the MCU did not wakeup

The only way to come out from this state, is to turn OFF and on again the VCC