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TPS65381 Reset issue

Other Parts Discussed in Thread: MANDO

Hi All,

Mando control WD_RST_EN for as long as they want when they remain in diagnostic state after the reset. However, when she set WD_RST_EN to “1” in  diagnostic state, Reset is occurred every 120ms.

She set DIAG_EXIT_MAS bit to “1” In order to stay Diagnostic state. And, She change SAFETY_FUNC_CFG Register from “24” to “2C” in order to set WD_RST_EN to “1”.

Customer want to know the reason why this failure(reset) is occurred and how to solve the issue.

Thanks and Need your urgent feedback.