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LM5176: application design for Quick Charger

chentsu chung
Mastermind 6180 points
Part Number: LM5176
Other Parts Discussed in Thread: PMP9773, TPS61088

Hi TI,

Here are some question about LM5176:

1. According to PMP9773, I think that TI Design could be used for LM5176, am I right?

2. Change CHY100 to CHY103 for QC3.0 and connect with LM5176 FB is worked?

3. Or there is any reference design of LM5176 could work with QC PHY?

Thank you.

  • 0
    TI__Mastermind 46061 points
    Hi
    TPS61088 is boost converter while LM5176 is buck-boost converter. And also, LM5176's minimum start-up voltage is 4.2V while PMP9773 's input range is 2.7V - 4.4V. But, conceptually, LM5176 has no issue to operate together with TPS2592 and/or CHY103.
    I don't see other reference QC design using LM5176.
    Regards
    EL