TIDUFF9 September   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1 System Description
  8. 2 Power Design Parameters
  9. 3 Sequencing
    1. 3.1 Start-Up
    2. 3.2 Shutdown
  10. 4 Schematics
  11. 5 Front-End Protection
  12. 6 Multiple Peripheral Rail Buck Converter PMICs
  13. 7 Low-Voltage, High-Current, Core Rail Buck Converter
  14. 8 Voltage Supervisor
  15. 9 Summary
  16. 10Documentation Support
  17.   Trademarks

3.2 Shutdown

Figure 3-3 and Figure 3-4 show shutdown timing of the power rails.


TIPA-020007 2VE3858 Device POL Rails Shutdown Sequence 1

Figure 3-3 2VE3858 Device POL Rails Shutdown Sequence 1

TIPA-020007 2VE3858 Device POL Rails Shutdown Sequence 2

Figure 3-4 2VE3858 Device POL Rails Shutdown Sequence 2