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TPS62361B wake at 1.77V?

Amanda Ross95
Intellectual 2740 points
Other Parts Discussed in Thread: TPS62361B

Good Morning,

I have a customer interested in whether or not the part can wake up at 1.77V and work down? How is this implemented?

Thank you!

  • 0
    TI__Guru*** 147230 points
    If you have a specific customer and application, please post internal and share these details.

    As described in the D/S, the device has several preset voltage options--this is where it powers up. It can only power up to these voltages, though they can be changed by I2C before being enabled.
  • 0 in reply to Chris Glaser
    TI__Intellectual 2740 points
    If the TPS62361B is powering the device with the I2C master, how would you configure the device to output 1.77V without I2C transactions? Does this device have an EEPROM which stores these values?
  • 0 in reply to Amanda Ross95
    TI__Guru*** 147230 points
    Correct, this is not possible. In the typical application, the appropriate preset voltage to power up the worst case processor is chosen and then the processor adjusts as needed. I've not seen a processor require as high as 1.77V to start. This would damage most processors actually.

    If you have a specific design, please move this internal and share what you need.