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[FAQ] TPS923651: How to design the CSP and CSN pin components for TPS923651 / 0

Lucia Gao
Mastermind 30621 points
Part Number: TPS923651

Tool/software:

How to design the CSP and CSN pin components for TPS923651 / 0?

  • 0
    TI__Mastermind 30621 points

    Please follow the below two graphical illustrations (one for Boost connection and another one for Buck-Boost connection) to design the CSP and CSN components. There are two points you should pay attention to - 

    • The 100Ω resistor on the CSN line: It is necessary. The package of it should be no smaller than 0603. The power rating of it should be no smaller than 0.1W.
    • The 1nF capacitor between the CSP and CSN pins: It is optional and is for noise filtering purpose. Place it close to the CSP and CSN pins on the PCB.

    Boost:

    Buck-boost: