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DRV8313: About minimum value of UVLO and behavior of V3P3 regulator

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Part Number: DRV8313

Hi Team,

 

Our customer are evaluating DRV8313 and they have two questions.

 

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[Q1]

Could you please let us know the minimum value of UVLO(VULO_min) if you have any information?

*This value does not need to be a guarantee.

 


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[Q2]

I understand that “V3P3 regulator” is enabled if VM is more than the VULO_min.

So, my understanding is as follows.

-V3P3 regulator is disabled if UVLO_min > VM

-V3P3 regulator is enabled if UVLO_min ≦ VM

Is my understanding correct?

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<Back ground>

According to our customer, they worry about false operation of the V3P3 regulator.

Because, an unintended voltage(Voltage level is TBD) appears in "VM pin" when a reverse electromotive voltage occurred.

 

Regards,

Kanemaru


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