Broadcom Popular Communication Chips Cheat Sheet for Hardware Engineers | PHY, Switch, Automotive, Gateway

Article picture

Broadcom communication ICs are standard for network hardware, industrial Ethernet, vehicle gateways and switches. Its product portfolio includes 10/100M & Gigabit PHYs, multi-port switch chips, automotive Ethernet, PON SoCs, Wi-Fi/Bluetooth combo ICs and PoE controllers. Below are high-demand, widely-stocked models with clear use cases for hardware design.

1784796528664123.png

1. Single-port 10/100M Fast Ethernet PHY

  • BCM5241A1IMLG, BCM5241A1KMLG Classic single-channel 10/100M PHY with cable diagnostics & auto MDI/MDI-X. Ideal for embedded boards, small industrial modules and serial servers.
  • BCM5221A4KPTG Ultra-low power PHY for battery-powered IoT gateways and portable embedded devices.

2. 8-port Fast Ethernet PHY

  • BCM5248UA4KQMG Single-chip 8-channel 10/100M PHY, simplifies PCB layout for low-cost multi-port switches & industrial data collectors.

3. Single-port Gigabit PHY

  • BCM54616SC0KFBG Supports SGMII/SerDes and SFP optical modules, widely used in media converters & industrial optical equipment.
  • BCM5461SA1IPFG, BCM5461SA1KPFG Cost-effective copper Gigabit PHY with built-in regulator, minimal peripheral components for NAS and embedded gateways. Suffixes stand for different packages & temperature grades.

4. Dual-port Gigabit PHY

  • BCM5482SA2KFBG, BCM5482SA2IFBG Integrated dual Gigabit PHY for dual-LAN redundancy designs, perfect for industrial gateways and compact firewalls. Differences lie in packaging & temperature specs.

5. Automotive Ethernet PHY

  • BCM89811B1AWMLG AEC-Q100 qualified 100BASE-T1 PHY with strong EMC performance. Designed for ADAS cameras, cockpit domain controllers and automotive gateways.

6. RoboSwitch Ethernet Switch ICs

  • BCM5325EKQMG: Highly integrated 5-port 10/100M switch for small home switches & IoT built-in switching
  • BCM53125SKMMLG: Multi-port Gigabit switch with integrated PHY for unmanaged 8/16-port industrial switches
  • BCM53128KQLEG: High-performance Gigabit switch supporting VLAN, QoS & port mirroring for industrial & security switches
  • BCM53115SKFBG: Cost-efficient Gigabit switch for enterprise access & building switches
  • BCM5389KFBG: 8-port SerDes switch expandable with SFP optical modules
  • BCM5396IFBG: 16-port Gigabit L2 switch with 16 SGMII interfaces for managed industrial switches

1784796479522299.png

7. High-end Data Center Switch ASIC

  • BCM56870A0KFSBG Trident3 multi-layer switch with 3.2Tbps bandwidth, supporting 25G/100G transceivers, VXLAN and telemetry. Used for leaf & aggregation switches in AI compute data centers.

8. PON Gateway SoC

  • BCM68380IFSBG GPON/XGS-PON ONT SoC with integrated routing & switching, mainstream chip for home and enterprise fiber modems.

9. Wi-Fi + Bluetooth Combo Chip

  • BCM43217TKMLG 2×2 MIMO 802.11n Wi-Fi + Bluetooth combo IC for smart home equipment, industrial wireless modules and multimedia players.

10. PoE Power Controller

  • BCM59121B0KMLG 8-channel PoE PSE controller compliant with 802.3af/at/bt, powers IP cameras and wireless APs via Ethernet cables.

1784797074363723.jpg

Full List of Hot Models

BCM5241A1IMLG, BCM89811B1AWMLG, BCM5221A4KPTG, BCM5241A1KMLG, BCM54616SC0KFBG, BCM5461SA1IPFG, BCM5396IFBG, BCM5482SA2KFBG, BCM53128KQLEG, BCM5461SA1KPFG, BCM68380IFSBG, BCM53115SKFBG, BCM56870A0KFSBG, BCM5248UA4KQMG, BCM43217TKMLG, BCM5325EKQMG, BCM5389KFBG, BCM53125SKMMLG, BCM59121B0KMLG, BCM5482SA2IFBG

Selection Tips

Broadcom ICs feature mature ecosystems and full protocol compatibility. Note that many legacy models face long lead times; engineers should prepare alternative parts in early design stages. Use ICGOODFIND component database to quickly compare specs, check stock and find alternative parts for BOM optimization and procurement.

Leave a comment

Comment

    No comments yet

©Copyright 2013-2025 ICGOODFIND (Shenzhen) Electronics Technology Co., Ltd.

Scroll