TS-TPC-8390-4710 Power Consumption

From Technologic Systems Manuals

The TS-TPC-8390-4710's power consumption is primarily dominated by the backlight current. There are also some power savings that happen automatically when the cpu is idle. These tests are performed with the Kernel 2.6 based image which uses dynamic ticks, whereas the Kernel 3.14 image is optimized for low latency and uses a 1000khz tick which will result power consumption with a smaller gap between idle and 100% cpu usage.

These tests do not include Ethernet or other peripherals unless otherwise stated. These tests are also performed using 12V input.

TS-4710-512-10S-I + TS-TPC-8390
Test Max (W) Average (W)
Idle CPU, Backlight 100% 7.84 6.51
100% CPU, Backlight 100% 8.95 7.23
Idle CPU, Backlight 50% 5.56 4.6
Idle CPU, Backlight 0% 4.59 3.61
Idle CPU, Backlight 100%, Ethernet Connected 7.77 6.71