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BQ25895: Ship mode exit in two stages?

Part Number: BQ25895

Hello,

We are using the BQ25895 chip in our battery product. We use ship mode. We noticed that when we exit ship mode, wether by logic high to low transition of /QON, or by connecting VBUS, the output VSYS does not go straight away from 0V to 4.2V. Instead, it stays at 1.2V for about 220ms, then goes to 4.2V.

This is creating issues with the boot timing of our MCU. Could you explain this behavior and how to change it?

Please find attached a screenshot of Vsys (Channel 1, yellow) and the output of my 3.3V LDO (Channel 2, blue) that shows the different steps.

Thank you

Kind regards