RTL8153B
USB 3.0 to Gigabit Ethernet bridge controller for docking stations and adapters
Product Overview
Description
The Realtek RTL8153B is a USB 3.0 to Gigabit Ethernet controller designed for USB-to-Ethernet dongles, docking stations, and embedded applications.
This controller provides a cost-effective solution for adding Gigabit Ethernet connectivity to systems via USB 3.0 interface with minimal external components.
RTL8153B supports USB 3.0 SuperSpeed mode for maximum throughput and is backward compatible with USB 2.0 for legacy system support.
Product Series
RTL
Primary Application
USB Ethernet dongles
Key Features
- USB 3.0 SuperSpeed support
- 10/100/1000Mbps auto-negotiation
- USB 2.0 backward compatible
- Low power consumption
- Wake-on-LAN support
- VLAN tagging support
- Integrated USB PHY
- Minimal external components
Specifications
| Interface | USB 3.0 |
|---|---|
| Speed | 10/100/1000Mbps |
| USB Compatibility | USB 3.0/2.0/1.1 |
| Auto-Negotiation | Yes |
| Wake-on-LAN | Supported (USB) |
| VLAN | 802.1Q |
| Power Consumption | <1W active |
| Operating Temperature | 0°C to +70°C |
| Package | QFN-40 |
| ESD Protection | 4kV contact, 8kV air |
Applications
USB Ethernet dongles
Communication and interface
Docking stations
Electronic system design
Ultrabooks
Electronic system design
Embedded systems
Electronic system design
Industrial computers
Industrial automation and control
FAE Expert Insights
"RTL8153B is the industry standard for USB-to-Ethernet applications. The integration level is excellent - minimal external components needed. We see this in most USB Ethernet dongles and docking stations. Very reliable and cost-effective solution."
Industry standard USB-to-Ethernet solution
— David Liu, BeiLuo
Frequently Asked Questions
Does RTL8153B work with USB 2.0?
Yes, RTL8153B is backward compatible with USB 2.0 and USB 1.1, though Ethernet speed will be limited to USB 2.0 bandwidth (480Mbps theoretical, ~300Mbps practical).
Works with USB 2.0 but use USB 3.0 for full Gigabit performance.
What drivers are required for RTL8153B?
RTL8153B uses standard USB CDC-NCM drivers built into Windows 10/11 and Linux kernel 3.10+. No additional drivers needed for most modern operating systems.
Plug-and-play on modern OS. Check driver availability for older systems.
Can RTL8153B be used in docking stations?
Yes, RTL8153B is widely used in USB docking stations. It supports USB hub integration and works well in multi-function dock designs.
Ideal for docking station applications. Contact FAE for hub integration guidance.
What is the typical power consumption?
RTL8153B consumes less than 1W in active mode and supports USB suspend for low power standby. Actual consumption depends on traffic and cable length.
Low power suitable for battery-powered applications. Use suspend mode for best efficiency.
Does RTL8153B support USB Type-C?
RTL8153B can be used with USB Type-C through a Type-C connector and appropriate CC logic. For native Type-C support with Power Delivery, consider other solutions.
Use with Type-C via adapter. Contact FAE for Type-C design guidance.