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TPS610981 application problem

Kuo Nowal
Expert 2315 points
Other Parts Discussed in Thread: TPS610981

Hi Sir,


Can suggest me which function diagram is better?

Application LORA sensor box.pptx

  • 0
    TI__Intellectual 1305 points

    Hi Nowal,

    I prefer the solution on Page 2.

    I'm not sure if the MCU can still work if input supply is 1.5V or lower. In consideration of stability and full usage of bettery, a boost is suggested for MCU power supply. Besides, a low noise power supply is also recommeded for a light sensor.

    one thing noted is the current capability of TPS610981 if it supplys all the three load.

    BR,

    Gene