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TPS65262 Start-up Sequence

tateo yamashiro
Guru 10890 points
Other Parts Discussed in Thread: TPS65262

Hi,

My customer has questions about TPS65262.
Could you tell me about questoins?

[Question]
 - Is there any sequence requirement between Vin, V7V, MODE, and ENx?

 - If EN1 and EN2 is pulled Low and MODE is pulled High, what is the device behavior?

Best Regards,
tateo

  • 0
    TI__Genius 9550 points

    Hi,

    please find my input:

    Is there any sequence requirement between Vin, V7V, MODE, and ENx?

    if MODE pin pull high or floating, one of EN1/2 or both EN1/2 will be high no later than V7V.

     - If EN1 and EN2 is pulled Low and MODE is pulled High, what is the device behavior?

    if the MODE pin uplled high or floating and EN1/2 are low, the device can't start up. (no outpout even EN3 pull high)

    if want to actice the automatic power up/down function, suggest float MODE and float EN1 or EN2 or both EN1/2. Control EN3 to enable/disable the device.

    Jason

    Jason