Bcm89890 _verified_ -

Unlike 100BASE-TX, . Instead, it connects directly to the wiring harness via a simple AC-coupling capacitor network. However, common-mode chokes (CMC) are mandatory to pass EMI regulations. Broadcom recommends specific CMC values (typically 100-300 ohms at 100MHz).

Handling massive data from high-resolution cameras and sensors. bcm89890

| Feature | BCM89890 (100BASE-T1) | Traditional CAN FD | Traditional 100BASE-TX | | :--- | :--- | :--- | :--- | | | 100 Mbps | 2-5 Mbps | 100 Mbps | | Cable Pairs | 1 (UTP) | 1 (CAN_H/L) | 2 (4 wires) | | Max Length | 15m (auto) / 40m (lab) | 40m | 100m (not used in auto) | | EMI Performance | Very Low (Shaped spectrum) | Moderate | High (Unshaped) | | Wake-up Support | Yes (Sleep/Wake) | Yes | No (Always on) | | Cost per Node | Medium | Low | High (connectors cost) | Unlike 100BASE-TX,

AEC-Q100 qualified for extreme vehicle environments. As the industry continues to migrate towards centralized

As the industry continues to migrate towards centralized and zonal E/E (Electrical/Electronic) architectures, the need for a proven, high-performance, and secure backbone network is absolute. The BCM89890, as part of the BCM8989X family, is perfectly positioned to meet this need, driving the future of connected and autonomous mobility.

: Acts as the high-speed backbone interface connecting localized structural zones to a central autonomous compute brain.

The is the world’s first IEEE 802.3ch compliant automotive multigigabit Ethernet PHY transceiver , providing data transmission speeds of 2.5 Gbps, 5 Gbps, and 10 Gbps over a single pair of Shielded Twisted-Pair (STP) cables. Manufactured by Broadcom Inc. , this AEC-Q100 qualified chip serves as the hardware foundation for high-bandwidth in-vehicle networking , supporting critical applications such as Advanced Driver Assistance Systems (ADAS), 4D radar, LiDAR, and centralized zonal gateways. Key Technical Specifications