User's Manual
Table Of Contents
- Front Cover
- Table of Contents
- Disclaimer
- 1 General description
- 2 Instructions for safe operation
- 3 Standards and guidelines
- 4 Standard compliance
- 5 Connectors and pins
- 6 Specification of inputs and outputs
- 6.1 Positive power supply (BAT+)
- 6.2 Negative power supply (BAT-)
- 6.3 Ignition on switch input (Terminal 15)
- 6.4 External Wake-up
- 6.5 Service Enable
- 6.6 100BASE-TX interface
- 6.7 100BASE-T1 interface
- 6.8 USB OTG interface
- 6.9 USB Host interface
- 6.10 RS-232 interface
- 6.11 CAN interface
- 6.12 Analog video input
- 6.13 Camera supply
- 7 Internal structure
- 8 Power modes
- 9 Device front
- 10 Connectors and cable specifications
- 11 References
- 12 Glossary
6. SPECIFICATION OF INPUTS AND OUTPUTS
≡
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