CLEARPATH Turtlebot4 - Page 94

Table 2: Maximum power consumption of individual components and systems
Source
Operating
Voltage (V)
Max current
draw (A)
Max Power
(W)
User Interface Board
~40
4 USB-C ports
5
3
15
USB Hub Controller
1.2, 3.3
1.3
1.8
OLED Display
12
0.031
0.372
User LEDs
5
0.007
0.17
USER PWR Ports
VBAT
0.3
4.32
12
0.3
3.6
5
0.5
2.5
3.3
0.25
0.825
OAK-D-Lite
5
1
5
OAK-D-Pro (connected to
RPi)
5
1
5
OAK-D-Pro (connected to
UI Board)
5
1.5
7.5
RPLIDAR A1M8
5
0.6
3
Blower Fan
5
0.25
1.25
Axial Fan
5
0.15
0.75
Raspberry Pi 4B
5
1.2
6
Note
Not accounting for inefficiencies of components, and power loss. Assuming USB hub speed
operating with all ports at SuperSpeed, and OLED is set to max brightness.