BCM89230B1BCFBGT

Controllers Overview

The BCM89230B1BCFBGT is a four-port Ethernet switch integrated circuit manufactured by Broadcom Limited. It features two ports supporting Gigabit speeds and two ports supporting Fast Ethernet (10/100 Mbps). The device includes one dedicated port for connecting to a host System on Chip (SoC) via a P8 SerDes interface, facilitating MAC-to-MAC communication. It is qualified under the AEC-Q100 standard for automotive applications and operates within a specified industrial temperature range.

Controllers Feature Summary

• Supports mixed-speed connectivity with dual Gigabit and dual Fast Ethernet ports
• Integrates a P8 Serdes interface for direct connection to SoC Ethernet MACs
• Automotive-grade qualification compliant with AEC-Q100 standards

Controllers Applications

• Body Control Module (BCM) networks in automotive systems
• In-vehicle infotainment (IVI) gateway implementations
• Zone controller architectures requiring mixed-speed switching

Controllers Procurement Notes

Verify component authenticity through authorized channels as the part may be subject to discontinuation notices. Confirm that the specific suffix matches the required package and tape-and-reel specifications. Cross-reference the manufacturer's latest product status documentation to ensure availability and compliance with current automotive supply chain requirements before integration into designs.

Controllers Selection Notes

Select this component when a compact solution is needed for automotive body electronics requiring both Gigabit and Fast Ethernet capabilities. Ensure the host SoC supports the required P8 SerDes interface for proper initialization. Verify that the operating temperature range aligns with the vehicle's environmental specifications and that the AEC-Q100 qualification meets the project's functional safety targets.

Controllers Part Context

This switch IC belongs to Broadcom's portfolio of automotive Ethernet solutions designed for distributed vehicle architectures. It serves as a bridge between high-speed backbone networks and lower-speed peripheral devices. The integration of SerDes interfaces allows for reduced pin counts and simplified PCB routing compared to parallel MAC connections, optimizing space in constrained automotive enclosures.

Controllers Replacement Considerations

Consult official Broadcom discontinuation notifications for valid substitute part numbers. Do not assume cross-compatibility with other switch families without verifying electrical parameters and interface compatibility.