Nvidia Jetson Orin NX Series - Figure 6-5. Power down Initiated by SHUTDOWN_REQ* Assertion; Figure 6-6. Power down Sudden Power Loss

Power
PRELIMINARY INFORMATION
Jetson Orin NX Series and Jetson Orin Nano Series DG-10931-001_v1.1 | 20
Note: If the carrier board 3.3V or 1.8V supplies are not low in the times shown below, discharge
may be required. See the Orin Nano DevKit carrier board reference design for examples. The
discharge circuits should be tuned to meet the timing requirements.
Figure 6-5. Power Down Initiated by SHUTDOWN_REQ* Assertion
POWER_EN
SHUTDOWN_REQ*
VDD_IN
Carrier Board Supplies
Module Power
SYS_RESET*
3.3V: T < 1.5mS
1.8V: T < 4mS
Note: SYS_RESET* is driven by the Power Sequencer or PMIC during power down.
Figure 6-6. Power Down Sudden Power Loss
POWER_EN
SHUTDOWN_REQ*
VDD_IN 3.0V
T > 10mS
Note: SHUTDOWN_REQ* must always be serviced by the carrier board to toggle POWER_EN
from high to low, even in cases of sudden power loss.