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Smart Junction Boxes for Various Carmakers |
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Hardware design and project supervision of Smart Junction boxes development for various carmakers, e.g. Nissan, Renault, and Mitsubishi. A Smart Junction Box or so call SJB is an electronic control unit which controls vehicles functions with regards to state or transition of digital, analog input and information from the connected buses (e.g. LIN or CAN).
The difference to the conventional control units is that the SJB has already integrated Power PCB with relays and MOSFETS to drive the loads. We have designed SJB's located in the passenger and also engine bay.
Typically an SJB consist of 2 PCB attached to each other, typical in a sandwich typology.
- Electronic: 16/32 bits MCU (Freescale, Fujistu, Motorola), CAN and or LIN, SPI EEPROM, MOS FETS, BJTS, SBC, many discrete electronics. The Smart FETS in PWM signal for controlling e.g. fan or lighting, the electronic PCB is typically FR4 substrate and done in 4 layers.
- Power: based on 2 layers 110-400 um PCB, FR4 or CEM3 substrate, Trough Hole or short pin technology.
[Year: 1999-2008; Market: Automotive; Product group: Control units & Power distribution] |
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