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tps51200 power sequencing

Nikhil Tiwari
Intellectual 575 points
Other Parts Discussed in Thread: TPS51200, AM3352, TPS65910

Hi,

Regarding TPS51200 power sequencing the datasheet mentioned that  VIN and enable supplies should come earliest and then REFIN and VLDO IN supplies could come. But in starter kit EVM for AM3352 the sequencing of TPS51200 device will be exact opposite of it. Please let us know what could be the issues if this kind of scheme is used.

As in our case also the PMIC (TPS65910) provides the power supplies for TPS51200 and 1.5V supply comes earlier than 3.3V.

Thanks & regards,

Nikhil