BCM5324MKPBG - 24+2G Managed Ethernet Switch | Broadcom
料号： BCM5324MKPBG ✓ 量产中BCM5324MKPBG 概述
An Ethernet switch is a network-semiconductor device that connects multiple Ethernet endpoints and transfers frames according to Layer 2 addressing. The BCM5324MKPBG sits within the broader hierarchy of Ethernet controllers, interface controllers, networking semiconductors, and integrated circuits. By integrating 24 Fast Ethernet PHY ports, two Gigabit Ethernet PHY ports, switching logic, and management functions, it reduces the component count required for industrial gateways, access equipment, and embedded Ethernet platforms.
The principal port configuration is 24 10/100BASE-T/TX ports plus two 10/100/1000BASE-T/TX ports, all integrated into the switching device. Its SPI interface supports communication with a host processor for configuration, control, and status functions. The 400-BGA package is designed for compact, high-density board layouts but requires careful ball-layout, power-supply, thermal, and signal-integrity implementation. Exact dimensions, voltage ratings, clock requirements, and management-feature details must be confirmed against the manufacturer datasheet before schematic release.
The BCM5324MKPBG is suited to networks that combine many 100 Mb/s endpoints with high-speed uplinks. A typical implementation places the switch beside a host processor or embedded system-on-chip, connects the processor through the SPI interface, and routes endpoint traffic through integrated copper Ethernet PHYs. This arrangement is useful when the enclosure requires many Ethernet ports without deploying a collection of discrete PHY devices and a separate switching ASIC.
Typical applications include industrial Ethernet gateways, embedded routers, network interface controllers, building-automation controllers, test equipment, and managed access appliances. The 24 Fast Ethernet ports suit equipment with legacy or cost-sensitive 100 Mb/s links, while the two Gigabit ports can connect an uplink, storage segment, or higher-bandwidth aggregation port. Host firmware can use the SPI management path to configure ports, monitor status, and support product-specific management behavior.
Hardware design should begin with the manufacturer pinout and reference circuit because the 400-BGA footprint requires exact ball assignment, layer-transition, and decoupling decisions. Separate analog, digital, and I/O supply domains should follow the datasheet point-of-load guidance. High-speed differential Ethernet pairs need controlled impedance, continuous reference planes, minimized return-path discontinuities, and connector or magnetics placement consistent with the internal PHY architecture.
This product page consolidates the exact port configuration, package information, interface details, application guidance, design cautions, and sourcing information for BCM5324MKPBG. It also distinguishes documented device characteristics from replacement decisions, helping engineers verify PCB compatibility, management requirements, and supply availability before committing a production design.
直接替换替代料： BCM5324MKPBG ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料BCM5324MKPBG 最大额定值与电气特性
| Product Type | Layer 2+ managed Ethernet switch with integrated PHYs |
| Fast Ethernet Port Count | 24 ports |
| Gigabit Ethernet Port Count | 2 ports |
| Fast Ethernet Data Rate | 10/100 Mb/s |
| Gigabit Ethernet Data Rate | 10/100/1000 Mb/s |
| Copper Ethernet Support | 10/100/1000BASE-T/TX |
| Host Interface | SPI |
| Switching Class | L2+ managed switch |
| 封装 | 400-BGA |
| 安装类型 | Surface mount |
| Maximum Total Port Count | 26 ports |
| Ethernet Standard | IEEE 802.3 |
BCM5324MKPBG 400-bga 引脚配置指南
BCM5324MKPBG（400-bga 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： BCM5324MKPBG.
请参阅 数据手册 以查看完整引脚配置。
典型应用
BCM5324MKPBG 适用于 6 应用s: Industrial Ethernet Gateway, Building Automation Controller, Embedded Network Interface Controller, Managed Access Appliance, Network Test Equipment, Industrial Router and Gateway.
Industrial Ethernet Gateway
The BCM5324MKPBG fits an industrial Ethernet gateway that must connect numerous 100 Mb/s field devices while retaining two Gigabit ports for an uplink or aggregation segment. Its 24 integrated 10/100BASE-T/TX channels and two 10/100/1000BASE-T/TX channels allow one switch device to consolidate endpoint connectivity. An SPI-connected supervisory processor can handle configuration and status monitoring. Before schematic release, confirm the device's operating-temperature rating, isolation strategy, industrial EMC requirements, and supported magnetics arrangement against the manufacturer documentation.
推荐
Building Automation Controller
A building-automation controller can use the BCM5324MKPBG to consolidate controller, sensor, actuator, and human-interface network nodes behind one Layer 2+ switching component. The 24 Fast Ethernet ports suit common 100 Mb/s building-network endpoints, while the two Gigabit ports support a backbone connection or higher-bandwidth supervisory segment. SPI management permits the building controller to configure ports and observe link status. System validation should cover environmental operating limits, cable-length behavior, grounding, surge exposure, and isolation requirements imposed by the building installation.
推荐
Embedded Network Interface Controller
The BCM5324MKPBG is suited to an embedded network interface controller where a host processor needs to expose multiple Ethernet services without requiring 26 separate external PHY devices. The 24 Fast Ethernet ports support management, diagnostic, and legacy equipment links, while the two Gigabit ports provide higher-capacity backbone or peer links. The SPI control path allows firmware to supervise the network. Firmware developers should confirm startup ordering, management APIs, port isolation features, and supported PHY configuration before committing the part to a new platform.
推荐
Managed Access Appliance
In a managed access appliance, BCM5324MKPBG can consolidate connections for access terminals, service modules, and administrative equipment while retaining two Gigabit Ethernet interfaces for uplink capacity. The Layer 2+ managed-switch architecture and SPI host interface are appropriate when a processor needs centralized control of many physical ports. For deployment in access networks, engineers should verify temperature range, dual-homing behavior, port-isolation requirements, storm-control behavior, and any carrier-grade reliability expectations in the manufacturer documentation.
推荐
Network Test Equipment
The BCM5324MKPBG can serve as the central switching element in network test equipment designed to provide many physical test connections alongside high-speed aggregation links. Twenty-four Fast Ethernet channels can handle endpoint traffic or instrument traffic, and the two Gigabit Ethernet ports can connect the tester to a higher-capacity analysis host or aggregation fabric. The SPI interface supports centralized control from the test controller. Measurement accuracy and repeatable PHY behavior should be evaluated using the manufacturer's recommended test setup and representative cables.
推荐
Industrial Router and Gateway
The BCM5324MKPBG supports industrial router and gateway designs that need many Fast Ethernet service ports plus dedicated Gigabit Ethernet uplink ports. It allows the product architecture to combine endpoint switching and backbone connectivity in a 400-BGA device while exposing management through SPI. This can simplify board partitioning when the host processor already handles routing, protocol processing, or secure connectivity. Before hardware release, validate the power architecture, thermal performance, signal routing for all differential Ethernet pairs, and the exact pin-compatible footprint against the device documentation.
推荐
推荐产品汇总
工程参考数据： BCM5324MKPBG ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Brand | Broadcom |
| Package | 400-BGA |
| Product Type | L2+ managed Ethernet switch |
| Fast Ethernet Ports | 24 ports |
| Gigabit Ethernet Ports | 2 ports |
| Total Ethernet Ports | 26 ports |
| Fast Ethernet Speeds | 10/100 Mb/s |
| Gigabit Ethernet Speeds | 10/100/1000 Mb/s |
| Host Interface | SPI |
| Ethernet Standard | IEEE 802.3 |
关键差异点
- High integrated endpoint density in one switching device （对比 BCM53004B0IPBG)
- Two dedicated Gigabit Ethernet channels （对比 BCM53003B0KPBG)
- SPI-managed integration for embedded hosts （对比 BCM53262MIPBG)
设计说明
Use the exact BCM5324MKPBG 400-BGA symbol and footprint defined from the manufacturer package drawing. Match ball assignments, pad stack, solder mask, and paste apertures to those drawings rather than adapting a generic BGA library. Route Ethernet differential pairs as controlled-impedance nets with continuous reference planes, minimize vias, and avoid crossings between unrelated high-speed and clock nets.
Partition the power design according to the manufacturer supply pins and recommended decoupling network. Place high-frequency bypass capacitors immediately beside the relevant BGA balls, observe each capacitor's voltage rating and DC-bias derating, and keep analog, digital, and I/O return currents controlled. Confirm the exact rails and sequencing requirements in the manufacturer datasheet before assigning point-of-load regulators.
The 400-BGA package concentrates many high-speed I/O and power connections into a compact footprint. Follow the manufacturer thermal-layout guidance for exposed thermal balls, ground connections, and copper distribution, and evaluate the assembled board with representative Ethernet traffic. Estimated: actual junction temperature depends on package dissipation, ambient temperature, board area, copper coverage, and airflow, so obtain those values before calculating margin.
Apply the manufacturer's reference layout for all integrated 10/100 and 10/100/1000 copper PHY channels. Maintain pair symmetry, control stub length, provide an uninterrupted ground reference, and place magnetic or direct copper Ethernet interfaces according to the recommended topology. Validate the PCB stackup with field solvers and verify compliance using the manufacturer's published masks and test procedures.
Do not substitute a similarly named Broadcom Ethernet device without confirming the 400-BGA ball map, 24 Fast Ethernet channels, two Gigabit channels, power rails, clocking, SPI behavior, and management features. Related parts can share the BCM53xx naming pattern while differing materially in port count or package. Treat every replacement as a new schematic and layout review unless pin compatibility is explicitly documented.
合规信息
No definitive compliance declarations are stated in the manufacturer product listing or component listing snippets. Confirm RoHS, REACH, lead-free, halogen-free, conflict-minerals, and automotive qualification status with Broadcom before procurement.
