Specifications

Helios Platform Hardware Reference Manual
110124-30002, preliminary
22
Power Consumption
The following table lists power consumption for various configurations of the Helios
platform.
Symbol
Parameter
Min
Typ.
Max
Units
Fully loaded, without USB (note 5)
P Power 12 W
I
INRUSH
Inrush current 17 A
Fully loaded, with USB devices (note 6)
P Power 15 W
I
INRUSH
Inrush current 18 A
Notes:
5. Power consumption was measured on a Helios platform with a VGA options board and
the following conditions: 12 V input voltage, video and audio clips playing from a SATA
drive, Ethernet port pinged, serial port transferring a file in 1K XMODEM at 115200 baud,
and GPS unit responding consistently.
6. Power consumption was measured on a Helios platform with a VGA options board and
the following conditions: 12 V input voltage, Belkin Wi-Fi device enabled and playing a
video, Verizon cellular modem enabled, video and audio clips playing from a SATA drive,
Ethernet port pinged, serial port transferring a file in 1K XMODEM at 115200 baud, and
GPS unit responding consistently.
Electrical
This section provides electrical specifications for the Helios platform.
Real-Time Clock
The Helios platform provides a RTC function that retains the system date and time. To
supply backup power when the power input is disconnected, the system includes a long-
life, lithium coin battery. The following table specifies the RTC function.
Parameter
Typ.
Units
Accuracy per month @ 25°C +/-55 sec
Battery 3 V
Operating temperature -30 to +80 °C
Warning: The RTC battery is located under the Catalyst Module
and is not user serviceable. Incorrect removable of the module or
battery could damage the Catalyst Module.