BQ24038EVM Q2 OFF

Oscar Gomez Fuente

Expert 2060 points

Other Parts Discussed in Thread: BQ24038

Hi, I'm testing the BQ24038 EVM. I wonder what value of battery voltage causes Q2 goes off ... Can you set the cutoff voltage for Q2 goes off?

Thank you very much.

over 13 years ago

0 Charles Mauney over 13 years ago

TI__Mastermind 31120 points

Not clear what your question is. The Q2 FET turns on when charging and when supplementing current to the OUT pin.

When in termination, if the input source is available, then Q2 will be off.

0 Oscar Gomez Fuente over 13 years ago in reply to Charles Mauney

Expert 2060 points

Hi Charles,

Maybe, I have not explained well. We start from the state in which the battery is fully charged, then off the power input and the battery begins to discharge and the system continues to function properly, because the Q2 is on... What voltage of battery makes Q2 go off?

Thank you very much.

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BQ24038EVM Q2 OFF