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  • TI Thinks Resolved

TPS65581: Power up / Power down sequence function

Guru 12720 points

Part Number: TPS65581

Is TPS65581 (and TPS65580) have internal Power up / down sequence function? or need to external SVS?

Datasheet is described power up / down image(figure-1 and 3), but function is not described.

If need to external Reset or Sequencer, is there reference design?

Best regards,

Satoshi

  • Hi, Satoshi

    TPS65581 doesn't have internal power up/down sequence.
    We need external control signal to achieve the power up/down sequence, it means need to connect EN1~EN3 signal to MCU or Pgood signal from other ICs.      

    Thanks.

    Best regards.

  • Hi,

    I have checked TPS65580, it is almost same with TPS65581.

    it doesn't have internal power up/down sequence, and also need external control signal.

    Thanks.

    Best regards.

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