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TPS63900: Please review the Schematics of TPS63900

Abhishek Hulamani
Prodigy 10 points
Part Number: TPS63900

Tool/software:

Hi Team, Please Review my Schematics

for Vout=3.6V

  • 0
    TI__Mastermind 32350 points

    Hi,

    Could you adjust R2 to 1.15K? which is recommended in table 7-2 in DS.  Since Vout set is always 3.6V no matter Vsel is high or low. why do not you just connect SEL pin to Vin?

    Regards

    Tao

  • 0 in reply to Tao Zhang
    Prodigy 10 points

    Hi, 

    Thank you for the reply

    I have shared the Updated schematic, please review this

    And we are using a 3.6V 17Ah Li-SOCL2 Battery (SAFT / TADIRAN) as a input

    and we are using this for the Nb-IoT application for water meter.

    can you suggest that is it worth using this regulator (TPS63900) for my application

  • 0 in reply to Abhishek Hulamani
    TI__Mastermind 32350 points

    Hi,

    Another kind remind that output cap should be close to device, then the jumper connected to your load in your actual layout.

    TPS63900 should be an excellent device for your application, because it is ultra low quiescent current and high efficiency in light load. But be carefully check if  the maximum output capability can meet your NB-IOT module or not.

    Regards

    Tao.