BCM5388KPBG - 8-Port Unmanaged Gigabit Ethernet Switch | Broadcom
MPN: BCM5388KPBG ✓ ActiveBCM5388KPBG Overview
An unmanaged Ethernet switch provides basic layer-2 frame forwarding between connected devices while automatically learning source MAC addresses. This operating model reduces configuration complexity and can shorten evaluation time in embedded gateways, industrial controllers, digital signage systems, access equipment, and other networked products. The BCM5388KPBG is specifically identified as supporting eight Gigabit Ethernet ports, making it relevant to compact systems that need to consolidate several network links into one switching device.
The verified data does not specify PHY integration, supported copper media, upper-layer interfaces, switching fabric throughput, frame-buffer capacity, MAC-address capacity, auto-negotiation behavior, VLAN support, operating temperature, supply voltage, or package dimensions. Those parameters must be confirmed in the manufacturer documentation before the device is specified for a new design. In particular, engineers should verify whether an external magnetics interface is required and whether the host processor connects through an embedded controller interface, a parallel bus, or another serial interface.
The KPBG ordering suffix identifies a specific Broadcom orderable configuration, but the supplied snippets do not establish its exact package, pin count, lead-free status, or automotive qualification. Consequently, a board-level footprint cannot be treated as confirmed from the available evidence. Before replacing an existing BCM5388KPBG, compare the complete ordering code, exposed pad requirements, pin names, reference clock, power rails, reset behavior, strap options, and external component recommendations against the applicable datasheet revision.
BCM5388KPBG is best considered for unmanaged Gigabit Ethernet aggregation rather than applications requiring VLAN policy, spanning-tree management, packet prioritization, or administrative control. It can simplify a network architecture when eight local links must reach one internal host or uplink. Its suitability depends on matching the verified port count and interface requirements to the target system while confirming all electrical and mechanical details that are absent from the current source excerpts.
This page distinguishes verified product facts from unavailable technical fields and explicitly identifies missing data rather than guessing. It also consolidates source links, sourcing guidance, application-fit considerations, and drop-in-replacement constraints. That separation is important because an 8-port unmanaged switch function alone does not prove package, pin, software, or electrical compatibility with another Ethernet switch.
Drop-in alternatives for BCM5388KPBG — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesBCM5388KPBG Maximum Ratings & Electrical Characteristics
| Product Type | 8-port unmanaged Gigabit Ethernet switch controller |
| Port Count | 8 ports |
| Ethernet Speed Class | Gigabit Ethernet |
| Network Layer | Layer-2 Ethernet switching |
| Management Level | Unmanaged |
| Component Category | Interface IC |
| Manufacturer | Broadcom Limited |
| Orderable MPN | BCM5388KPBG |
BCM5388KPBG standard Pin Configuration Guide
Pin configuration for BCM5388KPBG (standard package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for BCM5388KPBG.
Refer to the datasheet for full pin configuration.
Typical Applications
BCM5388KPBG is suitable for 6 applications: Industrial Ethernet Gateway, Digital Signage Controller, Building Access and Control Unit, Networked Video Concentrator, Smart Home Edge Controller, Telecom Access Equipment.
Industrial Ethernet Gateway
The BCM5388KPBG fits an industrial gateway that must aggregate eight local Gigabit Ethernet links into one internal network connection. Its verified unmanaged switching role can simplify deployment by avoiding configuration of individual port policies, while the eight-port count supports sensors, machine controllers, cameras, and service equipment sharing a compact enclosure. Before committing the design, engineers must confirm package dimensions, operating-temperature limits, supply rails, thermal dissipation, clocking, and host-interface requirements. The switch must also be reviewed with the manufacturer documentation for PHY integration, external magnetics, reset behavior, and strap options. Those characteristics determine whether the gateway can use the device directly or requires surrounding network-interface circuitry.
Recommended
Digital Signage Controller
The eight Gigabit Ethernet ports of the BCM5388KPBG suit a digital-signage controller or media distribution unit that connects multiple displays, players, control panels, and management services. The verified unmanaged classification supports rapid deployment and predictable Layer-2 forwarding without requiring a separately managed switch configuration. It can also reduce chassis space when the system needs more than the two or four ports commonly available from embedded host interfaces. The design review must confirm the BCM5388KPBG host connection, supported copper media, magnetics arrangement, reference clock, and power consumption. Signal-integrity layout, thermal performance, and the availability of exact package documentation are equally important because the supplied excerpts do not establish those implementation details.
Recommended
Building Access and Control Unit
The BCM5388KPBG is relevant to a building access or control unit requiring eight Gigabit Ethernet endpoints for door controllers, intercoms, cameras, access readers, and building-network services. An unmanaged switch can provide straightforward Layer-2 connectivity when centralized configuration is unnecessary. The eight verified ports allow the equipment designer to reduce the number of external network switches while preserving copper Ethernet connections. Qualification remains conditional because the available data does not state the package footprint, power rails, operating-temperature limits, isolation requirements, or media-circuit implementation. Engineers should confirm that the device meets the unit's environmental and lifecycle needs and review whether external magnetics, termination, surge protection, and clock circuitry are required.
Recommended
Networked Video Concentrator
The BCM5388KPBG can be evaluated for a networked video concentrator that gathers multiple Gigabit Ethernet camera or encoder feeds before forwarding them through a host uplink. Eight confirmed Gigabit Ethernet ports provide the connectivity required for compact eight-channel equipment, while unmanaged Layer-2 behavior can simplify a dedicated monitoring network. The device may be advantageous where link aggregation and central switching reduce the need for external boxes. However, the verified excerpts do not provide switching throughput, MAC-address capacity, frame-buffer size, VLAN behavior, ingress filtering, or host-interface timing. Those specifications are critical for sustained multi-port video traffic and should be checked against the manufacturer datasheet before the architecture is approved.
Recommended
Smart Home Edge Controller
The BCM5388KPBG can suit a smart-home edge controller that connects lighting panels, thermostats, cameras, voice terminals, and local automation nodes over Gigabit Ethernet. Its eight-port unmanaged configuration allows several devices to share an embedded switching function without imposing switch-management configuration on every product variant. The verified eight-port GE description makes the architecture straightforward, but a consumer design must still verify power consumption, thermal rise, package size, EMI behavior, and the exact Ethernet PHY arrangement. Firmware and host-driver support are also essential if the BCM5388KPBG requires software configuration. A complete engineering review should include reset and strap behavior, clock sourcing, copper magnetics, surge withstand, and production-test access before the component is used in a connected appliance.
Recommended
Telecom Access Equipment
The BCM5388KPBG may be suitable for telecom access equipment requiring eight local Gigabit Ethernet service endpoints and a simple internal aggregation function. The verified unmanaged switch description can be useful where service ports require basic frame forwarding but not per-port policy management. Eight ports may help consolidate service interfaces in line-terminal, edge-node, or customer-premises equipment. Before using the BCM5388KPBG, engineers must obtain the complete electrical and mechanical documentation and confirm its host interface, port media, timing, clock requirements, reset architecture, and power consumption. Telecom designs also demand careful attention to temperature grade, surge and fault tolerance, long-term availability, electromagnetic compatibility, and isolation boundaries. None of those qualifications can be inferred from the current snippets alone.
Recommended
Recommended Products Summary
Engineering reference data for BCM5388KPBG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Brand | Broadcom |
| Port Count | 8 ports |
| Ethernet Speed Class | Gigabit Ethernet |
| Management Level | Unmanaged |
| Product Category | Interface IC |
Key Differentiators
- Eight-port unmanaged Gigabit Ethernet integration (vs ENC28J60/SS)
- Unmanaged Layer-2 switching role (vs P82B96DR)
- Multiport consolidation for embedded equipment (vs ADV7171KSU)
Design Notes
Do not treat the verified 8-port unmanaged Gigabit Ethernet description as proof of PCB compatibility. The supplied excerpts do not expose the BCM5388KPBG package, pinout, exposed pad, supply rails, clock requirements, reset arrangement, or PHY topology. Before schematic reuse, compare the complete ordering code and every board-level connection against the applicable Broadcom datasheet. A similarly positioned eight-port switch is not a drop-in replacement unless its mechanical and electrical interfaces are proven equivalent.
Calculate the BCM5388KPBG power budget only after obtaining its verified core and I/O supply requirements, operating current, and thermal data. If the device is placed between an input supply and the regulated host rail, include regulator losses, magnetics losses, and Ethernet PHY dissipation in the enclosure heat budget. The current sources do not provide power consumption or thermal-resistance values, so a numerical dissipation or junction-temperature estimate would be unsupported.
Review the manufacturer reference layout and Ethernet interface guidance before placing the BCM5388KPBG, clock source, and magnetics or PHY components. Preserve short return paths for supply and ground planes, keep high-speed differential routing symmetric, and provide the recommended bypass capacitance directly at the relevant pins. Because the package dimensions, exposed-pad requirements, and reference circuit are absent from the verified snippets, this guidance identifies the required review rather than prescribing unverified dimensions or component values.
Validate the complete port-to-host Ethernet signal path against the BCM5388KPBG's documented interface and timing requirements. Confirm whether each copper port uses integrated PHY circuitry and external magnetics, and whether a shared host interface, reference clock, or management processor is mandatory. Controlled-impedance routing, suitable return vias, isolation from noisy switching supplies, and margin against the manufacturer's Ethernet compliance tests are essential for reliable operation.
Compliance Information
The supplied verified excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals compliance. These fields remain unknown rather than being inferred from the manufacturer name or ordering suffix.