i.MX25 Power Down Sequence Clarification

[AnandBalakrishn]

We are trying to mate the MMPF0200 PMIC with the i.MX25.

The power down sequence requirement in the IMX25CEC datasheet is not clear and customer needs clarification. In section 3.2.3 it says that the particular power down sequence is recommended but there is a note saying all the rails can be shut off simultaneously.

Is it acceptable to turn off the rails all at once by pulling the PWRON pin of the PF0200 low?

Thanks.

[YixingKong]

Anandkunar

Had your issue got resolved? If yes, we are going to close the discussion in 3 days. If you still need help, please feel

free to reply with an update to this discussion.

Thanks,
Yixing

[AnandBalakrishn]

Hi Yixing,

We are trying to get an official document for the customer. In touch with the RnD team. We can close this discussion.

Regards,

Anand

[JorgeRama_rezRi]

CT 44343499.

Best regards.

Jorge.

[JorgeRama_rezRi]

Hi Anand,

Just received response from RnD. Turning off all the supplies at the same time won’t impact DryIce contents, so it is safe to use it as power off sequence.

Best regards.

Jorge.