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TPS2546: TPS2546

Alex Wu1
Intellectual 360 points
Part Number: TPS2546

Hi team

What's the different between setting 0010 and 0011 on CTL1,CTL2,CTL3,ILIM_SEL.

Both mode support keyboard mouse wake function ? It can't be verify it on TPS2546EVM.

What's application will use those setting.



  • 0
    TI__Intellectual 1920 points
    HI Alex,

    The difference between 0010 and 0011 is that 0011 supports power wake. Power wake is described starting on page 20 of the datasheet. Basically when the TPS2546 is set to 0011, it will pull STATUS low or high to allow an embedded controller to switch either a DCDC (for low) or LDO on to save system power. The current limit is automatically changed as well to 55 mA when the LDO is powering the TPS2546 so that when a device is connected and begins pulling over 55 mA the TPS2546 will pull STATUS low and thus enable the DCDC converter and disable the LDO.

    Regards,
    Donovan