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BQ25306: Protecting charger from reverse battery connection

Part Number: BQ25306


Tool/software:

Hi Experts,

Customer wanted to provide protection of battery charger BQ25306. Found THIS appNote but only protects load from battery.

Planning to design like this:

If this does not work, can you recommend a design on this application using the BQ25306?

Below is the requirements.

Input: 5V from USB
2 cell Li-Ion BTY, charging current =2/3A 
4.2V BTY max voltage 

Thank you.

Regards,
Archie A.