Nvidia Jetson Orin NX Series - Figure 6-3. Power up Sequence no Power Button Auto Power on; Figure 6-4. Power up Sequence with Power Button

Power
PRELIMINARY INFORMATION
Jetson Orin NX Series and Jetson Orin Nano Series DG-10931-001_v1.1 | 19
Figure 6-3. Power Up Sequence No Power Button Auto Power On
POWER_EN
VDD_IN
Carrier Board Supplies
SYS_RESET*
SHUTDOWN_REQ*
~80ms
400ms min.
Notes:
1. SHUTDOWN_REQ* is not driven during power up. The signal is pulled to VDD_IN.
2. SYS_RESET* is driven by the Power Sequencer or PMIC during power up.
Figure 6-4. Power Up Sequence with Power Button
POWER_EN
VDD_IN
Carrier Board Supplies
SYS_RESET*
SHUTDOWN_REQ*
Power Button
~80ms
Notes:
1. SHUTDOWN_REQ* is not driven during power up. The signal is pulled to VDD_IN.
2. SYS_RESET* is driven by the Power Sequencer or PMIC during power up.
Note: For designs that intend to follow the NVIDIA carrier board design and include the
EFM8SB10F2G-A-QFN20 MPU for Power Button control, see 6.1.1 Power Button Supervisor MCU
Power-On.