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Please help to find the TI solution which can replace P/N of MP8861 !!!

Kuan Hui Wu
Prodigy 90 points
Other Parts Discussed in Thread: TPS548A20, TPS548B22, TPS53319, TPS53318, TPS549A20, TPS549B22

I have already search for this IC's alertnative plan.

But it seems do not have solution.

Did anyone have a case of successfully replacing this IC?

  • 0
    TI__Guru 71526 points

     Hello Kuan,  

    I am assuming you are not looking for a pin-to-pin replacement, is that correct?  We do not have a p-p replacement.

    However, if a redesign is possible, I encourage you to use WEBENCH POWER DESIGNER for your power supply: https://webench.ti.com/power-designer/switching-regulator   .  

    From the parameters you specified, WEBENCH generated 6 different designs for the 1VOUT/6A supply.  Based on what are most important criteria for this design, you can then sort the choices, compare topologies and parameters, selecting the design that best meets your needs. For example, if pcb space is a concern, you can sort the designs by Smallest Footprint.  

    If, after this process, you have additional questions, you can post a new E2E thread based on the device and topology you have selected. 

    And if everything is clear and you find the design best suited for your product, please Reply here and let us know by clicked "Resolved". 

    Regards,

    ~Leonard 

    [TPS53318; TPS53319; TPS548A20; TPS549A20; TPS549B22; TPS548B22]