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Vehicle Control Unit/Hybrid Control Unit for New Energy Vehicles

Overview

        New energy vehicles can be classified into electric vehicles (EV) and hybrid electrical vehicles/ plug-in hybrid electric vehicles (HEV\PHEV) according to their power sources. The Vehicle Control Unit is the core control component of the new energy vehicle. The main function is to analyze the driver's demand, monitor the driving state of the car, and coordinate the control unit such as BMS, MCU, EMS, TCU, etc. to realize the power-on/off, drive control, energy recovery, accessory control and fault diagnosis of the vehicle.

 

 

Features

Software architecture is based on AUTOSAR, product features meet PHEV/EV VCU and HCU development requirements, flexible cooperation mode
• Provide solutions covering functional specification definitions, model development, MIL/HIL testing, real vehicle calibration, and mass production throughout the lifecycle
• Rich algorithm model library, application software development platform
• Iterative development of VCU platform, mass production of two new energy VCU/HCU platforms, more than 30 supporting vehicle models
• Product features (customized according to customer needs)

    ♦ Vehicle mode judgment
    ♦ Vehicle drive (torque management)
    ♦ Energy recovery control
    ♦ Fixed speed cruise
    ♦ Vehicle anti-slope control
    ♦ Vehicle crawling control
    ♦ Vehicle energy allocation
    ♦ Power-on/off control under high-voltage
    ♦ Safety monitoring under high-voltage
    ♦ Vehicle thermal management
    ♦ Vehicle fault diagnosis and response
    ♦ Vehicle status monitoring and display
    ♦ Charge monitoring
    ♦ Accessory Control
    ♦ Vehicle anti-theft
    ♦ Endurance mileage calculation
    ♦ Program online upgrade and online calibration
    ♦ Other vehicle customization functions

 

Main Parameters

VCU Gen II parameters

Item

Parameter

Power Supply

12V

MCU

Dual MCU architecture

DI

15 channels, multiple channels with wake-up function

Frequency input

4-channel Hall voltage

AI

13 channels, 5-channel resistance voltage type can be matched

CAN communication

4 channels, support CAN wake up

LIN

1 channel

High-end Switch

6 channels, maximum drive current 3.3A

Low-end Switch

8 channels, maximum drive current 3.3A

PWM output

8-channel PWM

Sensor power supply

4-channel 5V power supply

Protection level

IP6K9K

Operating temperature

-40℃~125℃

Functional safety

ASIL B

Others

Compliant with AutoSAR 4.0.3 specification

UDS-based bootloader

Standard UDS diagnostic protocol

Network management that meets the OSEK standard

 

VCU Gen III parameters

 

Item

Parameter

Power Supply

12V

MCU

Dual MCU architecture

DI

15 channels, multiple channels with wake-up function

Frequency input

4-channel Hall voltage

AI

13 channels, 5-channel resistance voltage type can be matched

CAN communication

4 channels, support CAN wake up

LIN

1 channel

High-end Switch

6 channels, maximum drive current 3.3A

Low-end Switch

8 channels, maximum drive current 3.3A

PWM output

8-channel PWM

Sensor power supply

4-channel 5V power supply

Protection level

IP6K9K

Operating temperature

-40℃~125℃

Functional safety

ASIL B

Others

Compliant with AutoSAR 4.0.3 specification

UDS-based bootloader

Standard UDS diagnostic protocol

Network management that meets the OSEK standard

 

Successful Cases

        Serving more than ten domestic and foreign OEMs, we have supported more than 30 vehicle models in mass production or developing stage.

• EV VCU supporting project with a joint venture OEM
• Multiple EV VCU supporting project with a OEM
• PHEV HCU supporting project with a OEM
• EV VCU supporting project with a Shanghai New Energy Company
• EV VCU supporting project with a OEM in Hunan Province
• EV VCU supporting project with a New Energy Company in Jiangsu Province
• EV VCU supporting project with a New Energy Company in Hebei Province

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