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PMP41062: No battery application

Hailey Chen
Intellectual 2400 points
Part Number: PMP41062

Tool/software:

Hi, expert:

   I hope to know if no battery in system, how to design the 3.3V, and 5V.

   I still need PP5V for source, does it connect to charger VSYS? 

   In addition, if I need boot from EEPROM, and system has Mcu control, which mode I should use, AlwaysEnableSink or Safemod?

   And if I choose AlwaysEnableSink, pulg adpter is 20V,3V, what's the output of PPHV, does it will output 20V?

   

  • 0
    TI__Intellectual 1750 points

    Hi, if you need a source, I assume you have another USB port if there is no Battery here, it is easy to add another  USB port with DCDC and connected to VSYS, for PPHV it is just a path switch connected to VSYS, so pretty to same voltage level.