Power
Jetson AGX Xavier Series Product
DG-09840-001_v2.5 | 18
Figure 5-1.
Power Block Diagram
Jetson AGX Xavier
9V-20V
Supply
L53
Memory/
Peripherals
LPDDR4x,
eMMC
Power
Subsystem
5V/3.3V Pre-Regs
PMU Switchers/
LDOs
CPU/GPU/Core/
CV Regs
Ext. LDOs
Load Switches
SoC
VCC_RTC
SYS_VIN_HV
L60
To carrier board power
subsystem. When active, carrier
board can begin powering on.
System reset to/from
carrier board
Optional
Battery
Back-up
1.8V
5V
Supply
SYS_VIN_MV
VDDIN_PWR_BAD_N
CARRIER_POWER_ON
MODULE_POWER_ON
SYS_RESET_N
PERIPHERAL_RESET_N
POWER_BTN_N
PRSNT1
PRSNT0
STANDBY_REQ_N
STANDBY_ACK_N
SYSTEM_OC_N
MID0
MID1
From carrier board VIN loss
detection circuit. When active,
allows module to power on.
POWER
RESET
L55
L54
L62
J60
L58
L11
L61
A61
From carrier board VIN loss
detection, USB C PD power
path circuitry.
LVL
Power-on
circuitry
Optional:
Resets only
SoC & eMMC.
1.8V
Optional system overcurrent
indicator from carrier board.
Signal from module that it is
entering standby (SC7) mode.
Optional signal from carrier
board to request system to
enter standby (SC7) mode.
PU
3.3V
PU
5.0V
PU
1.8V
PU
1.8V
PU
1.8V
L63
A3
PU
3.3V
PU
Always ON
3.3V
Multiple
Multiple
Voltage
Monitors
L44
Safety
MCU
VM_I2C
L45
Mux
VM_INT_N
L47
JAXi Only
PWR_I2C
K40
H40
Module ID pins
5.1
Supply Allocation
Table 5-2 describes the power subsystem allocation for Jetson AGX Xavier.
Table 5-2.
Internal Power Subsystem Allocation
Power Rails
Usage
(V)
Power Supply
Source
VDD_CPU
SoC CPU rail
Variable
NCP81276 and FDMF5833
(x2)
SYS_VIN_HV
VDD_GPU
SoC GPU rail
Variable
NCP81276 and FDMF5833
(x2)
SYS_VIN_HV
VDD_CORE (SOC) SoC Core rail
Variable
NCP81276 and FDMF5833
(x2)
SYS_VIN_HV
VDD_CV
SoC CV rail
Variable
NCP81276 and FDMF5833
(x2)
SYS_VIN_HV
VDDIO_SYS_1V0
SoC AVDDIO_HDMI_DP[3:0], PEX_DVDD,
NVHS0_DVDD rails
1.0
PMIC Switcher SD0
SYS_VIN_MV
VDDIO_SYS_1V8HS See Note 1
1.8
PMIC Switcher SD1
SYS_VIN_MV
VDDIO_SYS_1V8LS See Note 2
1.8
PMIC Switcher SD2
SYS_VIN_MV
AVDD_CSI_1V2
SoC AVDD_CSI and VDDIO_UFS rails (See note 3)
1.2
PMIC LDO7
SYS_VIN_MV
EN_VDD_1V0
Enable for FETs gating discharge of
VDDIO_SYS_1V0 rail (See note 3)
na
PMIC LDO8
SYS_VIN_MV
VDDIO_AO_1V8
See Note 4
1.8
PMIC Switcher SD3
SYS_VIN_MV
DDR_AP_1V1
SoC VDDIO_DDRx rail
1.1
PMIC Switcher SD4
SYS_VIN_MV
VDD_RTC
SoC RTC rail
Variable
PMIC LDO0
SYS_VIN_MV
DDR_VDD2_
1V1_EN
See Note 5
Na
PMIC LDO1
SYS_VIN_MV