BCM53158XPB1KFBG

Overview

The BCM53158XPB1KFBG is a highly integrated Layer 2 Ethernet switch from the Broadcom RoboSwitch™ family, designed for cost-effective low-power applications. It features up to eight 10/100/1000BASE-T ports with integrated ultra-low-power GPHYs, one QSGMII interface with SerDes, and two 10G XFI interfaces supporting KR. The device includes an ARM Cortex-M7 CPU operating at up to 400 MHz, a 16K entry MAC address table, and a 1 MB packet buffer. It supports Unmanaged, Web-Managed, and Managed operational modes, along with advanced QoS, VLAN manipulation, and security features.

Feature Summary

• Integrated ARM Cortex-M7 processor for on-chip protocol support including xSTP, LLDP, and IGMP.
• Supports multiple operational modes: Unmanaged, Web-Managed, and Fully Managed.
• Includes high-performance memory architecture with 1 MB packet buffer and 16K MAC address table.
• Provides comprehensive Quality of Service (QoS) with srTCM/trTCM meters and priority flow control.

Applications

• SMB switches with 10G uplinks
• Enterprise switches, routers, and security appliances
• Next-generation Industrial Ethernet switches
• Service Provider access equipment

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm temperature range and package details. Ensure compatibility with required management protocols before procurement. Confirm RoHS compliance status and environmental certifications relevant to the deployment region.

Selection Notes

Select this model for designs requiring integrated Gigabit PHYs alongside 10G uplink capabilities. Consider the Robo 2 architecture for simplified platform design targeting SMB or enterprise markets. Evaluate power consumption requirements as the device supports Energy Efficient Ethernet standards.

Part Context

This component belongs to the Broadcom BCM53154/BCM53156/BCM53158 family, which utilizes the 28 nm RoboSwitch™ architecture. The series offers scalable port counts ranging from 6 to 15 interfaces, supporting bandwidths from 100M to 10GE across various managed and unmanaged configurations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.