Overview
The USBLC6-2P6 from STMicroelectronics is a monolithic application-specific device designed for ESD (Electrostatic Discharge) protection of high-speed interfaces such as USB 2.0, Ethernet links, and video lines. This component is part of the USBLC6-2 series, which offers very low capacitance and high reliability, making it ideal for protecting sensitive chips against stringent ESD strikes.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Voltage (IEC 61000-4-2 level 4) | 15 kV (air discharge), 8 kV (contact discharge) | kV |
| Storage Temperature Range | -55 to +150 | °C |
| Operating Junction Temperature Range | -40 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Leakage Current (VRM = 5.25 V) | 10 to 150 | nA |
| Breakdown Voltage between VBUS and GND | 6 | V |
| Forward Voltage (IF = 10 mA) | 1.1 | V |
| Clamping Voltage (IPP = 1 A, 8/20 μs) | 12 | V |
| Capacitance between I/O and GND | 2.5 to 3.5 | pF |
| Capacitance Matching Tolerance (I/O to GND) | 0.015 | pF |
Key Features
- Very low capacitance: 3.5 pF max, ensuring high signal integrity and speed.
- Very low leakage current: 150 nA max, suitable for battery-powered devices.
- Enhanced ESD protection: Compliant with IEC 61000-4-2 level 4, providing high immunity against ESD surges.
- Low PCB space consumption: Available in SOT-666 and SOT23-6L packages.
- High reliability: Monolithic integration ensures consistent performance.
- Fast response time: Effective in protecting against high-speed ESD events.
- Consistent D+ / D- signal balance: Ensures compliance with USB 2.0 requirements.
Applications
- USB 2.0 ports up to 480 Mb/s (high speed) and compatible with USB 1.1 low and full speed.
- Ethernet ports: 10/100 Mb/s.
- SIM card protection.
- Video line protection.
- Portable electronics.
Q & A
- What is the primary function of the USBLC6-2P6?
The primary function of the USBLC6-2P6 is to provide ESD protection for high-speed interfaces such as USB 2.0, Ethernet, and video lines.
- What are the key benefits of the very low capacitance of the USBLC6-2P6?
The very low capacitance ensures high signal integrity and speed, making it suitable for high-speed data transmission.
- What are the package options available for the USBLC6-2P6?
The USBLC6-2P6 is available in SOT-666 and SOT23-6L packages.
- What is the maximum operating junction temperature for the USBLC6-2P6?
The maximum operating junction temperature is +150 °C.
- How does the USBLC6-2P6 ensure ESD protection?
The USBLC6-2P6 ensures ESD protection through its rail-to-rail topology and compliance with IEC 61000-4-2 level 4 standards.
- What is the significance of low leakage current in the USBLC6-2P6?
The low leakage current (150 nA max) is significant for longer operation of battery-powered devices.
- How does the capacitance matching tolerance affect the performance of the USBLC6-2P6?
The capacitance matching tolerance (0.015 pF) ensures consistent D+ / D- signal balance, complying with USB 2.0 requirements.
- What are some common applications of the USBLC6-2P6?
Common applications include USB 2.0 ports, Ethernet ports, SIM card protection, video line protection, and portable electronics.
- How important is the layout of the PCB for the effective operation of the USBLC6-2P6?
The layout of the PCB is crucial to avoid overvoltages due to parasitic phenomena. Short tracks and optimized layout are recommended.
- Is the USBLC6-2P6 RoHS compliant?
