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TPS63020: what's the working condition for TPS63020 when input close to output

Part Number: TPS63020

Hi team,

I have checked the datasheet, it says the four switchs will not switch at the same time. So i want to check which working mode it is when input close to output.

Thank you.

BR

Frank

  • Did you take a look at section 7.4.3 of the datasheet?
    Basically in this "buck-boost" region, the converter is always switching between buck mode (L1 swiching) and boost mode (L2 switching).
  • In reply to Sabrina:

    Hi Sabrina,

    Which condition is it? one cycle buck, one cycle boost. Right?

    Thank you.

    BR

    Frank

  • In reply to Frank Xiao:

    The number of buck and boost cycle is not fixed, it depends on the regulation needed, it is controlled by the buck-boost Overlap Control block (Figure 7 of datasheet). You can find a description of this block in section 7.4.3.

    What is is the customer's main concern? What is the EE?