The LM3526MX-L is a highly integrated dual-port USB power switch fabricated by Texas Instruments, designed to manage power distribution and overcurrent protection for USB ports. This advanced semiconductor is specifically tailored for applications where dual USB ports require individual protection and control. It is a crucial component in modern electronic devices that include USB interfaces, such as desktop and laptop computers, docking stations, monitors, and many other peripherals.

Key Features

• Integrated Dual USB Ports: The LM3526MX-L contains two independent power switches for USB power distribution, providing individual port control and protection.
• Overcurrent Protection: Each port is equipped with overcurrent sensing to safeguard USB devices from excessive current that could lead to damage or failure.
• Thermal Shutdown: Built-in thermal shutdown functionality ensures the device operates within safe temperature ranges, preventing overheating.
• High Accuracy Current Limiting: The device offers precise current limiting to protect against overloads, ensuring reliable operation of connected USB devices.
• Fast Fault Response Time: Quick response to fault conditions helps to minimize the risk of damage to the USB port and connected devices.
• Low Standby Power: The LM3526MX-L is designed for low power consumption in standby mode, making it suitable for power-sensitive applications.

Applications

The LM3526MX-L is versatile and can be utilized in a variety of USB-related applications. It's particularly useful in systems that require independent port power management and overcurrent protection. Common applications include:

• Personal Computers and Laptops
• USB Hubs and Docking Stations
• Monitors with USB Ports
• USB Peripheral Devices

Technical Specifications

The LM3526MX-L operates with an input voltage range of 4.5V to 5.5V, which is typical for USB-powered devices. The package type is an 8-pin SOIC, making it compact and suitable for space-constrained applications. The device is also characterized for operation from 0°C to 70°C, ensuring reliable performance across a wide range of environmental conditions.

With its robust feature set and reliable performance, the LM3526MX-L from Texas Instruments is an essential component for managing power and protection in USB port applications.