power window

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 MAXIMAL SETUP DIAGRAM

Maximal SetupConfiguration

Interfaces: Power CAN-BUS LIN-BUS LAN Motor 1 Sensor 1 Motor 2 Sensor 2 Panel Keys


ECU BLOCK DIAGRAM

Maximal ECUConfiguration

Interfaces: Power HS-CAN-BUS LIN-BUS LAN Motor 1 Sensor 1 Motor 2 Sensor 2 Panel Key


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 BLOCK DIAGRAM

ECU MinimalConfiguration

Interfaces: Power LIN-BUS Motor Sensor Panel Key

Connector 1: Power LIN-BUS

Connector 2: Motor Sensor Panel


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 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 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 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 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 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 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 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


A-MUSTER MOTOR SYSTEM

The A-Muster ECU unit is not integrated in the power window mechanics


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


ECU FOR POWER WINDOWS

Thank you for your attention