6. SPECIFICATION OF INPUTS AND OUTPUTS
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6 Specification of inputs and outputs
6.1 Positive power supply (BAT+)
6.1.1 Pinout
Connector
Pin no.
Function
C1
26
Battery power supply input (BAT+)
6.1.2 Functional description
Nominal supply voltage for full operation is 8 to 32 V, including both voltage ranges for 12 V and 24 V
battery systems.
6.1.2.1
Undervoltage
Below 7.5 V, the following peripherals will be switched off:
• display backlight
• USB Host
• USB OTG
• camera supply
The CPU is powered and operational down to 6 V power supply (as defined in ISO 7637, Part 1 for 12 V
systems).
6.1.3 Maximum ratings
Symbol
Parameter
Note
Min
Max
Unit
V
BAT+ max
Permanent non-destructive supply voltage
-33
33
V
V
BAT+ lim
Peak non-destructive supply clamping voltage
1
-40
40
V
I
BAT+ lim
Peak non-destructive supply clamping current
1
-10
+100
A
I
BAT+ max
Permanent input current at V
BAT+
= 8 V, 25
○
C
2
2.3
A
T
d
Load dump protection according to ISO 7637-2,
Pulse 5, Level IV (superimposed 174 V, R
i
= 2 Ω )
1
350
ms
Note 1
The control unit is protected by an active load dump protection circuit
Note 2
Without external loads
© TTControl GmbH 2020. All rights reserved.
Confidential and Proprietary Information
17
Document Number:
D-156-G-02-001
