Broadcom Corporation's new BroadR-Reach automotive Ethernet chip is optimized for use in low-power automotive applications. The low power features of Broadcom's new BCM89811 physical layer transceiver (PHY) enables new use cases for automotive Ethernet beyond infotainment and Advanced Driver Assistance Systems (ADAS) into telematics, shark fin antennas, instrumentation clusters, head unit, and center stack module applications.
Delivering 100 megabit per second (Mbps) performance over a single, unshielded twisted pair wire, the highly integrated chip combines the functionality of multiple discrete devices in an ultra-small package (6×6 mm). Offering what Broadcom claims is the industry's highest level of integration, the BCM89811 PHY eliminates costly external components, reducing board space by more than 25 percent and overall bill-of-material (BOM) cost up to 20 percent.
The low-power PHY is the latest addition to Broadcom's growing portfolio of automotive Ethernet chips. Broadcom's BroadR-Reach automotive solutions provide both the high bandwidth required for advanced safety and infotainment applications and the authentication and encryption features needed to shield the connected car from malicious cyber-attacks and threats.
- Automotive-qualified low power design reduces power consumption up to 30 percent1
- On-chip integrated low-pass filters lower emissions (meets EMC requirements)
- Integrated internal regulators provide on-chip power and eliminate the need for external regulators
- Exceeds automotive specifications for noise cancellation and transmission jitter
- Delivers 100 Mbps over single, unshielded twisted pair wiring delivering up to an 80 percent reduction in connectivity cost3 and 30 percent reduction in cabling weight4
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