
Jetter AG
Technical specifications | 4
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4.3 Electrical properties
Power supply of
output drivers
Parameter
Description
Abbreviation
VBAT_PWR
Total current
25 A max.
Operating voltage
8 … 32 V DC
Protection against polarity
reversal
There is a danger of a short circuit if the polarity is re-
versed. Protect the circuit by an external 25 A fuse.
Voltage protection
+36 V for 1 h at T
max
-20°C, function state C
Tab. 2:
Power supply of output drivers
ECU
Parameter
Description
Abbreviation
VBAT_ECU
Operating voltage
8 … 32 V DC
Protection against polarity
reversal
32 V max.
There is a danger of a short circuit if the polarity is re-
versed. Protect the circuit by an external 25 A fuse.
Current consumption
At 12 V
approx. 49 mA + total cur-
rent at VEXT_SEN
At 24 V
approx. 34 mA + total cur-
rent at VEXT_SEN
Tab. 3:
ECU power supply
Connections to
ground
Pin
Purpose
GND_PWR
Ground for VBAT_PWR and VBAT_ECU
GND_SEN
Ground for VEXT_SEN
Tab. 4:
Connections to ground
4.4 Environmental conditions
Parameter
Description
Standards
Operating temperature
-25 … +85 °C
ISO 16750-4
Storage temperature
-40 … +85 °C
Relative humidity
5 … 95 %
Weather resistance
The device is designed for use in all weather condi-
tions and is suitable for outdoor use.
Salt water resistance
The device is not designed for maritime applications.
Degree of protection
IP 66
Tab. 5:
Environmental conditions