Overview
The USB6B1RL, produced by STMicroelectronics, is a specialized electronic component designed to provide robust protection against overvoltage and electrostatic discharge (ESD) in high-speed data transmission systems. This device is particularly suited for applications requiring transient overvoltage protection, such as Universal Serial Bus (USB) ports, RS-423 and RS-485 interfaces, ISDN equipment, T1/E1 line cards, and HDSL/ADSL interfaces.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VPP | Peak pulse voltage (IEC61000-4-2 contact discharge) | 8 kV | kV |
| VPP | Peak pulse voltage (IEC61000-4-2 air discharge) | 15 kV | kV |
| PPP | Peak pulse power (8/20 µs) | 500 W | W |
| IPP | Peak pulse current (8/20 µs) | 25 A | A |
| Tstg | Storage temperature range | -55 to +150 °C | °C |
| Tamb | Operating temperature range | -40 to +85 °C | °C |
| VBR | Breakdown voltage between VBUS and GND | 6 V min. | V |
| IRM | Leakage current | 10 µA | µA |
| C | Capacitance between pins D+ and D- | 15 pF | pF |
| C | Capacitance between pins D+ (or D-) and GND | 25 pF | pF |
Key Features
- Full diode bridge with integrated clamping protection
- Breakdown voltage: VBR = 6 V min.
- Peak pulse power dissipation: PPP = 500 W (8/20 µs)
- Very low capacitance, compatible with high data or signal rates
- High ESD protection level: up to level 3 per MIL STD 883C-Method 3015-6
- Separated inputs and outputs (4-point structure) to improve ESD susceptibility
- Comprehensive package pin-out for immediate implementation
- Complies with IEC 61000-4-2 level 4 (15 kV air discharge, 8 kV contact discharge)
Applications
- Universal Serial Bus (USB) ports
- RS-423 and RS-485 interfaces
- ISDN equipment
- T1/E1 line cards
- HDSL/ADSL interfaces
- Telecom and datacom applications
Q & A
- What is the primary function of the USB6B1RL?
The primary function of the USB6B1RL is to provide protection against overvoltage and electrostatic discharge (ESD) in high-speed data transmission systems.
- What are the key applications of the USB6B1RL?
The USB6B1RL is used in applications such as USB ports, RS-423 and RS-485 interfaces, ISDN equipment, T1/E1 line cards, and HDSL/ADSL interfaces.
- What is the breakdown voltage of the USB6B1RL?
The breakdown voltage (VBR) of the USB6B1RL is 6 V minimum.
- What is the peak pulse power dissipation of the USB6B1RL?
The peak pulse power dissipation (PPP) of the USB6B1RL is 500 W for an 8/20 µs pulse.
- How does the USB6B1RL protect against ESD?
The USB6B1RL provides high ESD protection up to level 3 per MIL STD 883C-Method 3015-6 and complies with IEC 61000-4-2 level 4.
- What is the capacitance between the D+ and D- pins of the USB6B1RL?
The capacitance between the D+ and D- pins is 15 pF.
- What is the operating temperature range of the USB6B1RL?
The operating temperature range of the USB6B1RL is -40 to +85 °C.
- What package type is the USB6B1RL available in?
The USB6B1RL is available in an SO-8 package.
- How can the ESD protection of the USB6B1RL be optimized?
The ESD protection can be optimized by ensuring short connections between the VCC pin and the power supply, and between the GND pin and ground. Adding a 100 nF capacitor close to the USB6B1 between VCC and GND can also enhance protection.
- Is the USB6B1RL environmentally friendly?
Yes, the USB6B1RL is available in ECOPACK® packages, which have a lead-free second level interconnect and comply with environmental standards.
