VS - Electrical Systems From Stop-Start to Hybridization

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i-StARS, the challenge

In 2010, Valeo launched the second generation of belt driven starter alternator reversible machine, the i-StARS. i-StARS stands for I ntegrated S tarter A lternator R eversible S ystem. The aim of i-StARS development was: ●● To offer more performance ●● To simplify the system integration in the numerous vehicles architectures. ●● To make the system affordable to more vehicles categories.

i-StARS in the electrical system

Can Bus

System overview i-StARS in the electrical system i-StARS in the electrical system

Can Bus

Can Bus

Battery

Battery

Battery

Engine Management unit

(2)

i-StARS machine with embedded power controller

Engine Management unit

(2)

Airbag Management unit

i-StARS machine with embedded power controller

Engine Management unit

(1)

(2)

i-StARS machine with embedded power controller

Airbag Management unit

ESP Management unit

(1)

Airbag Management unit

(1)

Monitoring & control signals

ESP Management unit

Body Controller unit

Stop/Start Mgt. and Bus Gateway

ESP Management unit

Monitoring & control signals Monitoring & control signals

Body Controller unit

Stop/Start Mgt. and Bus Gateway

Body Controller unit

Stop/Start Mgt. and Bus Gateway

Lin Bus

Lin Bus

Lin Bus

(1) Lin Bus on i-StARS first generation (2) CAN Bus on i-StARS third generation

(1) Lin Bus on i-StARS first generation (2) CAN Bus on i-StARS third generation (1) Lin Bus on i-StARS fi st rati (2) CAN Bus on i-StARS third generation

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