Semiconductors that save wires using communication over power line

Yamar’s innovative technology for data communications over direct current powerline reduce significantly the amount of wires in automotive, aerospace and industrial networks.

The copper wires in vehicles contains 40-80 Kg of copper wiring, over 2 Km in length. Copper wires are expensive, heavy, increase fuel consumption and CO2 emission, difficult to handle, difficult to recycle, and unreliable. As such, reducing wires is a strategic goal of carmakers, aerospace framers and even smart cities infrastructure designers. Wires in vehicles are divide into 2 types, power lines and in-vehicle control + data communication lines.

Yamar succeeded to merge these two types of wires into a single wire in a low cost semiconductor. The power line communication DC BUS semiconductor devices (ICs) save weight, size, space and increase the system reliability by communicating over the existing power lines to establish multiplex networks and provide reliable communication over extremely noisy wires. Furthermore, it enables multiple networks to communicate over the same powerline.

The devices were designed to interface directly with automotive, aerospace and industrial protocols such as CAN bus, UART, LIN bus and SPI. This makes them simple to operate as no additional protocol layer is required. Products using the SIG60 devices were qualified and are flying  in commercial Airplanes.

ISO started standardization activity under ISO/AWI 17987-8 for new physical layer of LIN over DC powerline (DC-LIN)

DC-BUS Products
DC-BUS Applications
DC-BUS Technology

The SIG60 devices are used in more than 50 countries.

The SIG60 devices gain popularity by customers in more then 50 countries. Its simple to operate UART interface and its robust communication, provides reliable network communication even over noisy power lines. Customers can use the UART / LIN protocol, or tailor their own protocol, according to their specific application. This simplicity was proven by multiple applications in many fields.

DC-BUS Advantages

  • Save wires.
  • Lighter cables weight.
  • Reduce cost.
  • Increase vehicle’s fuel efficiency.
  • Increase reliability.
  • Simple to use (UART).
  • Decrease installation time.
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