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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
ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 2
ECU MAXIMAL SETUP DIAGRAM
Maximal SetupConfiguration
Interfaces: Power CAN-BUS LIN-BUS LAN Motor 1 Sensor 1 Motor 2 Sensor 2 Panel Keys
ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 3
ECU BLOCK DIAGRAM
Maximal ECUConfiguration
Interfaces: Power HS-CAN-BUS LIN-BUS LAN Motor 1 Sensor 1 Motor 2 Sensor 2 Panel Key
ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 4
ECU MINIMAL SETUP DIAGRAM
A-Muster, MinimalSetup Configuration
Interfaces: Power LIN / CAN - BUS Motor Sensor Panel Key
Connector 1: Power LIN / CAN - BUS Key Panel
Connector 2: Motor Sensor
ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 5
ECU BLOCK DIAGRAM
ECU MinimalConfiguration
Interfaces: Power LIN-BUS Motor Sensor Panel Key
Connector 1: Power LIN-BUS
Connector 2: Motor Sensor Panel
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 FunctionalitySupply 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 commandswhile voltage is applied
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
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 ApplicationsLIN 1.3/2.0/2.1 / SAE J2602Well-proven device at OEM's worldwideRobust ESD performance; +/-8 KVolt according to
IEC61000-4-2battery supply voltage 0Volt to 40VoltTemperature definition from -40° to +85° C
Communication Commands
Certification ControlSpeed InformationStatus InformationMaster Motor Functions
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 ApplicationsARM 32 Bit power ATSAMDA1Watchdog Timer (WDT) and brown-out detection
(BOD)Well-proven device at OEM's worldwideRobust ESD performance; +/-8 KV (KVolts)
according to IEC61000-4-2Operating Voltage 3.3VoltLIN Network Interface32/48/64-pin TQFPWorking Temperature from -40° to +105° C
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 ApplicationsARM 32 Bit power Ti Hercules FamiliesCertification conform IEC 61508 SIL 3 and ISO
26262 ASIL DWatchdog Timer (WDT) and brown-out detection
(BOD)Well-proven device at OEM's worldwideRobust ESD performance; +/-8 KV (KVolts)
according to IEC61000-4-2Operating Voltage 3.3VoltLIN / CAN Network InterfaceWorking Temperature from -40° to +85° C
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 ApplicationsFault, Watchdog and Diagnostics FunctionsCharge Pump Driver100% Duty Cycle 4.4Volt to 45Volt Operating VoltageTemperature Definition from -40° to +85° C
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
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
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
ECU FOR POWER WINDOWS (c) Dipl. Ing. Achilles Carababas 15
AbbreviationsAbbreviation / 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