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AFE4400SPO2EVM on battery

Atul Priyadarshi
Intellectual 845 points
Other Parts Discussed in Thread: AFE4400SPO2EVM, BQ24032A

Hi,

I was looking at the schematics of the AFE4400SPO2EVM and we found that you have also provided a battery and power management circuit to the schematics however the IC are missing from the board.

I want to provide power to the EVM externally. Can this be implemented by soldering the missing components?

I want to use the USB provided in the PCB for charging purpose only, communication has been handled by other means.

Plz provide me if these things are possible, as I want to make it a stand alone data logging device.

Also provide me with any changes that i need to make in the schematics to make it possible.

Regards 
Atul

  • 0
    TI__Mastermind 49676 points

    Hello Atul,

    Yes the EVM can be powered externally.

    The EVM has been tested using an external power source but not validated with a battery.

    Connect the battery to J5 (+ terminal to pin#1 and - terminal to pin#2) and install R114.

    For specific questions regarding battery charging using BQ24032A, please contact Battery Management forum.

    Regards

    Praveen.