IDP 600 Terminal Series - Hardware Guide
© SkyWave Proprietary 11 T200, Version 02
3.2.2 Power Consumption
Typical power consumption values at Vbatt=12 V and at room temperature (22°C)
Table 4 Power Consumption Values
3.2.2.1 Average Power Consumption
Average terminal power consumption depends on many factors including how often the
modem wakes to receive to-mobile messages, how often GPS fixes are requested, and
how often from-mobile messages are sent. Table 5 characterizes several scenarios and
shows the estimated average power consumption assuming a 12 V power source.
Table 5 Power Consumption Scenarios
Tx/Day and
Message Size/Tx
Average Power
Consumption
(mAh/day at 12 V)
10 seconds of
application card
geofence
processing per
fix (assumed)
(terminal only)
3.2.3 Load Dump Circuitry
The terminal's operating range is 9-32 V. Above this range; the load dump protection
circuitry opens an electronic switch so that the terminal is not damaged, up to 150V.
When the voltage drops below the threshold, the terminal recovers, going through power
on reset.
With this protection, the terminal is capable of withstanding load dumps as specified in
SAE J1455 (rev JUN2006) paragraph 4.13.2.2.1.
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