Presentation of Electronic unit for controlling the automobile power windows.

1. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 1
ECU FOR POWER WINDOWS
The focus of this presentation is the
electronic control unit
of the power window

2. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 2
ECU MAXIMAL SETUP DIAGRAM
Maximal Setup
Configuration
Interfaces:

Power

CAN-BUS

LIN-BUS

LAN

Motor 1

Sensor 1

Motor 2

Sensor 2

Panel Keys

3. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 3
ECU BLOCK DIAGRAM
Maximal ECU
Configuration
Interfaces:

Power

HS-CAN-BUS

LIN-BUS

LAN

Motor 1

Sensor 1

Motor 2

Sensor 2

Panel Key

4. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 4
ECU MINIMAL SETUP DIAGRAM
A-Muster, Minimal
Setup Configuration
Interfaces:

Power

LIN / CAN - BUS

Motor

Sensor

Panel Key
Connector 1:

Power

LIN / CAN - BUS

Key Panel
Connector 2:

Motor

Sensor

5. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 5
ECU BLOCK DIAGRAM
ECU Minimal
Configuration
Interfaces:

Power

LIN-BUS

Motor

Sensor

Panel Key
Connector 1:

Power

LIN-BUS
Connector 2:

Motor

Sensor

Panel

6. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 6
ECU POWER SUPPLY UNIT
The power supply unit is approved for automobile use

Inverse polarity support

Auto battery power to 12.6Volt

ISO pulse definitions

Jump start to 28Volt

Temperature definition from -40° to +85° C
Scenario Voltage Range Temperature Range Functionality
Supply Under voltage < 8V -40 to +105 °C Functionality not guaranteed
Normal operating voltage 8V to 16V -40 to +105 °C Unlimited Functionality
Supply abnormally high 16V to 20V -40 to +105 °C Supply limited to 5 hour
Jump start scenario 20V to 28V -40 to +105 °C Supply limited to 10 minute
Supply over voltage >28V -40 to +85°C
The ECU software will not accept commands
while voltage is applied

7. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 7
ECU CAN UNIT
The CAN unit is approved for automobile use

AEC-Q100 Qualified for Automotive Applications
CAN / TJA1042

Well-proven device at OEM's worldwide

Robust ESD performance; +/-8 KVolt according
to IEC61000-4-2

Battery supply voltage 0Volt to 40Volt

Temperature definition from -40° to +85° C
Communication Commands

Certification Control

Speed Information

Status Information

Master Motor Functions

8. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 8
ECU LIN UNIT
The LIN unit is approved for automobile use
AEC-Q100 Qualified for Automotive Applications
LIN 1.3/2.0/2.1 / SAE J2602
Well-proven device at OEM's worldwide
Robust ESD performance; +/-8 KVolt according to
IEC61000-4-2
battery supply voltage 0Volt to 40Volt
Temperature definition from -40° to +85° C
Communication Commands
Certification Control
Speed Information
Status Information
Master Motor Functions

9. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 9
ECU MCU UNIT
The MCU unit is approved for automobile use
AEC-Q100 Qualified for Automotive Applications
ARM 32 Bit power ATSAMDA1
Watchdog Timer (WDT) and brown-out detection
(BOD)
Well-proven device at OEM's worldwide
Robust ESD performance; +/-8 KV (KVolts)
according to IEC61000-4-2
Operating Voltage 3.3Volt
LIN Network Interface
32/48/64-pin TQFP
Working Temperature from -40° to +105° C

10. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 10
ECU MCU UNIT
The MCU unit is approved for automobile use
AEC-Q100 Qualified for Automotive Applications
ARM 32 Bit power Ti Hercules Families
Certification conform IEC 61508 SIL 3 and ISO
26262 ASIL D
Watchdog Timer (WDT) and brown-out detection
(BOD)
Well-proven device at OEM's worldwide
Robust ESD performance; +/-8 KV (KVolts)
according to IEC61000-4-2
Operating Voltage 3.3Volt
LIN / CAN Network Interface
Working Temperature from -40° to +85° C

11. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 11
ECU MOTOR DRIVER UNIT
The Motor driver is approved for automobile use
AEC-Q100 Qualified for Automotive Applications
Fault, Watchdog and Diagnostics Functions
Charge Pump Driver100% Duty Cycle
4.4Volt to 45Volt Operating Voltage
Temperature Definition from -40° to +85° C

12. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 12
ECU MOTOR SENSOR UNIT
The Motor Sensor is approved for
automobile use

AEC-Q100 Qualified for Automotive
Applications

Hall sensor for window positioning

Temperature from -40° to +85° C

13. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 13
ECU PORT I/O UNIT
The Port unit is approved for automobile use

Filter for External Switches

Window UP / DOWN / LOCK Function

Single connection to Board GND Capability

Temperature definition from -40° to +85° C

14. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 14
A-MUSTER MOTOR SYSTEM
The A-Muster ECU unit is not integrated in the power window mechanics

15. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 15
Abbreviations
Abbreviation / Definition Description
CAN-BUS (HS-CAN-BUS) Controller Area Network
ECU Electronic Control Unit
EMC Electro Magnetic Compatibility
GND Ground (switched Ground)
HS High Speed
LIN-BUS Local Interconnect Network Bus
MCU Micro Controller Unit
MDU Motor Driver unit
LPF Low Pass Filter
HSU Hall Sensor Unit
DRV Driver
AEC-100 / AEC-200 Automotive Electronics Council
ESD Electrostatic-sensitive device

16. ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 16
ECU FOR POWER WINDOWS
Thank you for your attention