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TDA4VM: th(SUPPLIES VALID - PORz) Hold time, PORz active (low) after all supplies valid, the minimum hold time is 75000000ns(75ms), please confirm.

Jason Chang
Prodigy 30 points
Part Number: TDA4VM

On TDA4VM SPRSP36E specification pages 169 shows below, PORZ active low after all supplies valid is 75,000,000ns (75ms)

Another page 167 power up Sequencing shows below, T4 = 11.5ms

Which specification I should be follow?

Thanks

  • 0
    TI__Guru 52022 points

    Hello Jason,

    The correct spec is 10 ms.  The PMIC sequencing is increased to 11.5 ms to ensure that the minimum requirement of 10 ms is met.  We will update Table 5-15 accordingly.

    Regards,

    Kyle