TTControl Vision 307 - Specification of Inputs and Outputs; Positive Power Supply (BAT+); Pinout; Functional Description

6. SPECIFICATION OF INPUTS AND OUTPUTS

6 Specification of inputs and outputs
NOTE
All values given in the tables below are valid for the ambient operating temperature range: -30 to +70
○
C,
unless stated otherwise.
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 -28 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
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Proprietary Information
16
Document Number:
D-156-G-02-003