The USBLC6-4 is a highly integrated transient voltage suppressor (TVS) diode array from Semtech Corporation, designed to protect sensitive electronic components from electrostatic discharge (ESD) and other transient voltage events. This device is specifically designed for USB interfaces, providing robust protection for data lines and power lines.

Applications

• USB 2.0 & 3.0 Data Line Protection: Effectively safeguards USB data lines in various devices.
• HDMI Ports: Protects HDMI interfaces from ESD strikes.
• Ethernet Ports: Provides transient voltage protection for Ethernet ports.
• Laptop Computers: Used to protect sensitive circuitry within laptops.
• Desktop Computers: Offers ESD protection for desktop computer ports.
• Mobile Phones: Protects the internal electronics of mobile phones.
• Tablets: Ensures the longevity and reliability of tablet interfaces.
• External Hard Drives: Safeguards the data and power interfaces of external hard drives.

Features

• Low Clamping Voltage: Minimizes stress on protected components during transient events.
• Low Dynamic Resistance: Provides fast response to transient events.
• ESD Protection: Exceeds IEC 61000-4-2 (ESD) requirements, providing ±15kV air discharge and ±8kV contact discharge protection.
• Small Package Size: Allows for easy integration into space-constrained applications.
• Low Leakage Current: Minimizes power consumption in the protected system.
• Pb-Free and RoHS Compliant: Meets environmental regulations.
• Halogen-Free: Further enhances environmental compliance.

Benefits

• Enhanced System Reliability: Protects sensitive components from ESD and transient voltage threats, increasing overall system reliability.
• Reduced Field Failures: Minimizes the risk of component damage and system failures due to ESD events.
• Improved Product Lifespan: Extends the lifespan of electronic devices by protecting them from damaging transient voltages.
• Simplified Design: Provides a single-package solution for protecting multiple lines, simplifying circuit board layout.
• Cost-Effective Protection: Offers a cost-effective solution for implementing robust ESD protection.

Additional Details

The USBLC6-4 features a typical clamping voltage of around 6V during an ESD event. It is available in a small form factor package, such as a SOT-23 or similar, making it suitable for high-density PCB layouts. The device is designed to handle multiple ESD strikes without degradation in performance, ensuring long-term reliability. The USBLC6-4's low capacitance makes it suitable for high-speed data lines, minimizing signal degradation.