Doc. No: Unex-QSG-21-003
9/23
A printed version of this document is an uncontrolled copy
© 2021 Unex Technology Corporation – Company Confidential
Table 4. External cable power consumption
Condition
Power Consumption (A)
Temp.
Power Source
Voltage (V)
Low
*1
Typical
*2
High
*3
25°C
5V
*4
5
0.34
0.40
2.0
3.3 Vaux
*5
3.3
0.100
0.105
0.110
85°C
5V
*4
5
0.38
0.44
2.0
3.3 Vaux
*5
3.3
0.105
0.110
0.115
Note:
*1: CPU idle and V2X stack loaded.
*2: CPU 50% and V2X transmitting 400 bytes at 20dBm every 100ms.
*3: Hardware upper limit.
*4: From Molex 7 pin connector (pin 1)
*5: From mini PCIe 3.3 Vaux (pin 2, 24, 39, 41, 52)
Table 5. Single voltage power consumption
Condition
Power Consumption (A)
Temp.
Power Source
Voltage (V)
Low
*1
Typical
*2
High
*3
25°C
3.3 Vaux
*4
3.3
0.60
0.70
3.0
85°C
3.3 Vaux
*4
3.3
0.70
0.77
3.0
Note:
*1: CPU idle and V2X stack loaded.
*2: CPU 50% and V2X transmitting 400 bytes at 20dBm every 100ms.
*3: Hardware upper limit.
*4: From mini PCIe 3.3 Vaux (pin 2, 24, 39, 41, 52)
8.
I/O Interfaces
8.1.
Antenna Connectors
The SOM-301(v2)/SOM-351 mPCIe module is provided with three 50 Ω RF connectors
•
two V2X antennas
•
one GNSS antenna
Receptacle connectors are compatible with
I-PEX MHF I 20279-001E-03
or
HIROSE
U.FL-R-SMT-1(10)
. For more information about mating connectors, visit the website
https://www.i-pex.com/product/mhf-I
