Automotive And Industrial Ethernet PHYs Allow Data Transfer Over Low-cost UTP Cables


Microchip announced an automotive- and industrial-grade Ethernet physical-layer transceiver designed for data communication over low-cost Unshielded Twisted Pair (UTP) cables. The KSZ8061 family is available with an extended temperature range of -40 to +105 degrees Celsius for harsh-environment applications, including industrial sensor networks, robotics, building automation and avionics.

Based on the Quiet-WIRE enhanced EMC technology, the KSZ8061 single-chip 10BASE-T/100BASE-TX transceiver provides uniquely low emissions and high immunity over unshielded cabling, for automotive and industrial Ethernet network connectivity, which results in low BOM costs versus expensive shielded cables. The transceiver also meets the stringent EMC specifications for these applications, says the company.

System reliability is also enhanced with Microchip’s proven LinkMD+ advanced cable diagnostics, along with an embedded signal-quality indicator for the dynamic monitoring of link error margins. The device lowers standby power consumption to sub-microampere range by utilizing Microchip’s integrated EtherGREEN technology which includes a unique Ultra Deep Sleep mode with signal-detect wakeup.


With fast boot and linkup in less than 20 mS, the KSZ8061 is ideal for applications where startup time is critical, such as automotive rearview cameras. This Ethernet PHY transceiver family provides support for both the MII and RMII processor interfaces, for easy integration with numerous processors, MCUs and SoCs.

Microchip also announced a new evaluation board, the KSZ8061MNX Evaluation Board, to enable functional and performance testing of the KSZ8061. The compact packaging options for the device include 32-pin, 5×5 mm and 48-pin, 6×6 mm QFN packages.

Common mode Chokes Reduce Space On PCB


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