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TPS65218: PMIC Startup Issue

Part Number: TPS65218

The TPS65218 don´t start if Vsys > 4.V

The nominal power of my system is 5.0V. I tried all recomendations but the only solution was to include diode on Vsys power to reduce it to 4.4V and them Works fine.

Hi I already included questions and already saw others questions about but I didn´t find any solution.