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The BCM53158XMB1KFBG is a managed Gigabit Ethernet switch from the Broadcom RoboSwitch family, built on the 28 nm Robo II architecture. It integrates eight 10/100/1000Base-T ports with GPHYs, one QSGMII port, and two high-speed uplink ports supporting 10GE XFI/SFI or 2.5GE SGMII+. The device includes an ARM Cortex-M7 CPU for standalone operation and supports advanced features like TSN, VLAN manipulation, and cascading. Operating temperature ranges are commercial (0°C to +70°C) and industrial (-40°C to +85°C).
Verify the specific suffix against official documentation to confirm package size and temperature grade. Confirm software licensing requirements for managed functionality. Ensure supply chain sources provide valid RoHS compliance data. Cross-reference ordering information tables for exact pinout and thermal specifications.
Select this model when high-density copper connectivity combined with multi-gigabit uplinks is required. Consider the integrated ARM Cortex-M7 if an external host processor cannot be used. Evaluate the need for industrial temperature ratings versus commercial grades based on deployment environment constraints.
This component belongs to the Broadcom BCM53156/53157/53158 series of highly integrated Gigabit Ethernet switches. These chips utilize the industry-leading 28 nm RoboSwitch architecture to deliver high performance in compact form factors suitable for space-constrained networking equipment.
BCM53156XMA0KFBG and BCM53157XMA0KFBG share similar architectures but differ in uplink port configurations. Verify specific port counts and supported speeds before substitution.