Electrical Parameters
Operating Conditions
Parameter
Min
Max
Units
Power Supply Input Voltage
+7
+36
V
Digital Input High Voltage Threshold
+5.0
-
V
Digital Input Low Voltage Threshold
-
+2.0
V
Digital Maximum Voltage
-
+30.0
V
Digital Maximum Current
-
0.5
A
Absolute Maximum Ratings
Parameter
Min
Max
Units
Power Supply Input Voltage
-32
+40
V
Voltage on Digital 1-2 and ADC Inputs
-32
+32
V
Voltage on RS232 RX
-25
+25
V
Voltage on RS232 TX
-13
+13
V
Voltage on iButton/Dallas Interface
-5
+5
V
Current sunk by MOSFET low side switches
500
mA
Voltage rating of MOSFET switches
-
+30.0
V
Storage Temperature
-40
+85
°C
Operating Temperature (without battery)
-20
+60
°C
Operating Temperature (with battery)
0
45
°C
Typical Power Consumption
Operating Mode
Current @ 13.8V
Current @ 27.6V Power Consumption
Fully Operational
25mA
14mA
< 400mW
Battery charging
500mA
275mA
< 7W
Sleep (no battery)
0.5mA
0.3mA
7mW
Sleep (with battery)
< 10uA
< 10uA
0.1mW
Environmental Specifications
Parameter
Specification
Storage temperature
-40 to +85 °C
Operating temperature (no battery)
-20 to +60 °C
Operating temperature (with battery)
0 to +45 °C (note: no charging below 0°C)
Ingress Protection
N/A
Vibration, broadband random
Complies with IEC60068-2-64
Shock
Complies with IEC60068-2-64
Humidity
N/A
