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Original question:

BQ25751: How to design the BATFET drive circuit when the system power is off and how to design the buck boost charging FET...

BQ25751: How to connect the pin if not use BATFET

sun qiyun
Intellectual 260 points
Part Number: BQ25751

Tool/software:

Dear

I will not use BATFET in my design. How should I change the pin assignment. There will be no MCU on my design. I need to use hardware to set.

I know the pin32(SYS) should be connected with pin33(VAC), pin16(BATSRC) should be connected with pin14(SRP), pin15(BATDRV) floated.

Is there any other thing I need to do?

Hope I can receive your reply soon.

Thanks a lot.