RTL8153B

Product Overview

RTL8153B is a Realtek USB 3.0 to Gigabit Ethernet controller designed to add high-speed wired networking to PCs, docking stations, USB adapters and embedded systems. The device integrates a USB 3.0 interface, Gigabit Ethernet MAC and 10/100/1000BASE-T PHY in a single chip, reducing external component count and PCB space. With low-power operation, advanced power management and broad operating-system support, RTL8153B is suitable for compact USB-to-Ethernet connectivity designs.

Key Features

• Manufacturer: Realtek Semiconductor

• Part Number: RTL8153B

• Product Type: USB to Gigabit Ethernet Controller

• Host Interface: USB 3.0

• Ethernet Interface: 10/100/1000BASE-T

• Maximum Ethernet Data Rate: 1Gbps

• Integrated Ethernet MAC: Yes

• Integrated Ethernet PHY: Yes

• Ethernet Standards: IEEE 802.3, IEEE 802.3u and IEEE 802.3ab

• Duplex Modes: Full Duplex and Half Duplex

• Auto-Negotiation: Supported

• Auto MDI/MDIX: Supported

• Flow Control: IEEE 802.3x Supported

• USB Compatibility: USB 3.0 / USB 2.0 Backward Compatible

• Power Management: Advanced USB and Ethernet Power-Saving Functions

• Wake-on-LAN: Supported

• Energy Efficient Ethernet: Supported

• Checksum Offload: Supported

• Jumbo Frame Support: Supported

• VLAN Tagging: Supported

• Network Boot Support: PXE Support Available

• External EEPROM Interface: Supported

• LED Interface: Integrated Ethernet Status LED Control

• Mounting Type: Surface Mount

• Integration Level: Single-Chip USB 3.0 Gigabit Ethernet Solution

• Key Characteristics: Low Power Consumption, Compact Design and High Integration

• Typical Applications: USB Ethernet Adapters, Docking Stations, PCs and Embedded Systems

Applications

RTL8153B is suitable for systems requiring reliable Gigabit Ethernet connectivity through a USB interface. Typical applications include USB 3.0 to RJ45 adapters, notebook docking stations, desktop peripherals, mini PCs, industrial computers, embedded systems, network appliances and other devices requiring 10/100/1000Mbps wired Ethernet connectivity.

Design & Selection Considerations

RTL8153B integrates the USB interface, Ethernet MAC and Gigabit Ethernet PHY into a compact single-chip solution, helping simplify USB-to-Ethernet adapter designs. Designers should verify USB signal integrity, Ethernet magnetics, RJ45 interface circuitry, power-supply decoupling, EEPROM configuration and thermal conditions. Driver and operating-system compatibility should also be confirmed for the target platform before production deployment.

Quality & Sourcing

Antrex Electronics can support RTL8153B sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For project-based purchasing, customers can provide quantity requirements, delivery schedules, interface requirements and application details for faster quotation support.

For quality assurance, Antrex Electronics can assist with product photos, marking verification, visual inspection and third-party testing services when required. Networking equipment manufacturers, docking station suppliers, embedded system developers and electronic component buyers are welcome to submit BOM lists or hard-to-find Ethernet controller requirements for sourcing assistance.