Part Number: PMP30693 Other Parts Discussed in Thread: TPS63802 Hello team,
My customer is interested in PMP30693.
But my customer prefers 1s supercap solution (2.5V) from cost and implementation perspective.
Is TPS63802 still right device for 1s solution…
Part Number: PMP30693 Hi team,
Could you tell how to send the signal to the host to notify the power failure?
It's required to notify that the power failure is happening to the host after that the power failure happens.
Thank you for assigning the query.
JH, please refer below inputs
When the external power supply is interrupted, the customer wants to supply power only until the supercap or coin cell saves the status or performs a stable shutdown.
Here is also a reference design similar to your requirements:
I think the mastering the super-capacitor charging is the most challenge. The following buck-boost design should be straightforward, Let me know if you eed further assistance,