Nvidia JETSON TX2 - Page 80

NVIDIA Jetson TX2/TX2i OEM Product Design Guide
JETSON TX2/TX2i OEM PRODUCT | DESIGN GUIDE | 20180618 80
PEX1_RX+/-

0.1uF capacitors if directly connected
PEX2_RX+/-

0.1uF capacitors if directly connected
PEX_RFU_RX+/-

0.1uF capacitors
SATA_TX+/-

0.01uF capacitors
SATA_RX+/-

0.01uF capacitors
SATA_DEV_SLP

1.8V to 3.3V Level Shifter
Ethernet
GBE_MDI0+/-

Magnetics near RJ45 connector
GBE_MDI1+/-

Magnetics near RJ45 connector
GBE_MDI2+/-

Magnetics near RJ45 connector
GBE_MDI3+/-

Magnetics near RJ45 connector
GBE_LINK100#

LED and pull-up Current Limiting Circuit
GBE_LINK1000#

LED and pull-up Current Limiting Circuit
GBE_LINK_ACT#

LED and pull-up Current Limiting Circuit
DP[1:0] for eDP/DP
DPx_TX3+/-

0.1uF capacitors
DPx_TX2+/-

0.1uF capacitors
DPx_TX1+/-

0.1uF capacitors
DPx_TX0+/-

0.1uF capacitors
DPx_AUX_CH+
-down to GND near connector
(DP only)
0.1uF capacitor
DPx_AUX_CH-
100k-up to 3.3V near connector (DP
only)
0.1uF capacitor
DPx_HPD
10k-up to 1.8V near main conn. &
-down to GND on DP side of
level shifter.
Level Shifter (w/output toward main
connector) near main connector & 100k
resistor to DP connector. Level shifter must be
non-inverting.
DP[1:0] for HDMI
DPx_TX3+/-
499 GND
0.1uF capacitors
DPx_TX2+/-
499 GND
0.1uF capacitors
DPx_TX1+/-
499 GND
0.1uF capacitors
DPx_TX0+/-
499 GND
0.1uF capacitors
DPx_AUX_CH+/-
10k-up to 3.3V near main conn. &
-up to 5V near HDMI conn.
Bidirectional level shifter between Pull-ups in
Parallel Termination column
DPx_HPD
10k-up to 1.8V near main conn. &
-down to GND near HDMI conn.
Level shifter (w/output toward main connector)
between Pull-up & Pull-down in Parallel
Termination column. Level shifter can be
inverting or non-inverting. 
resistor between pull-down & HDMI connector.
Power
Module Power Supplies
Supply (Carrier Board)
Usage
(V)
Supply Type
Source
Enable
VDD_IN
Main Supply from Adapter
TX2: 5.5-
19.6
TX2i:
9.0-19.0
Adapter
na
na
VDD_RTC
Real-time clock supply
1.65-5.5
PMIC is supply
when charging
cap or coin cell
Super cap or coin
cell is source when
system power
removed
na
Carrier Board Supplies
VDD_MUX
Main power input from DC
Adapter
TX2: 5.5-
19.6
TX2i:
9.0-19.0
FETs
DC Adapter
VDD_5V0_IO_SYS
Main 5V supply
5.0
DC/DC
VDD_MUX
CARRIER_PWR_ON
VDD_3V3_SYS
Main 3.3V supply
3.3
DC/DC
VDD_MUX
3V3_SYS_BUCK_EN
VDD_1V8
Main 1.8V supply
1.8
DC/DC
VDD_5V0_IO_SYS
1V8_IO_VREG_EN
(VDD_3V3_SYS_PG)
VDD_3V3_SLP
3.3V rail, off in Sleep (various)
3.3
FETs/Load
Switch
VDD_3V3_SYS
SOC_PWR_REQ