The MIC4041DIM-1.2 from Microchip Technology is a high-performance, adjustable current limiter designed to provide a simple and robust solution for USB port protection and other hot-swap applications. This component is part of the MIC4041 series, which is renowned for its ability to limit the current to a pre-set value, thus preventing damage to sensitive electronics in the event of a fault or an over-current condition.

Key Features

• Adjustable Current Limit: The MIC4041DIM-1.2 allows users to set a precise current limit threshold between 75mA to 1.2A through an external resistor. This flexibility makes it suitable for a wide range of applications.
• High Accuracy: It offers an impressive accuracy level for the current limit threshold, ensuring reliable protection for connected devices.
• Fast Response Time: The device reacts quickly to over-current events, providing fast protection to downstream components.
• Thermal Shutdown: Inbuilt thermal shutdown feature enhances the safety of the system by turning off the output when the junction temperature exceeds safe operating limits.
• Under-Voltage Lockout (UVLO): The MIC4041DIM-1.2 includes UVLO to ensure that the device operates only when the input voltage is within the specified range.
• Reverse Current Protection: It prevents reverse current flow from output to input, which is critical for battery-powered applications.
• Wide Operating Voltage Range: The device supports a broad input voltage range, accommodating various system requirements.

Applications

The MIC4041DIM-1.2 is ideal for a variety of applications, including but not limited to:

• USB Port Protection
• Hot-Swap and Hot-Plug Power Supplies
• Over-Current Protection for Battery Chargers
• Power Management for Consumer Electronics

Package and Quality

The MIC4041DIM-1.2 is offered in a compact 8-Pin SOIC package, providing a space-efficient solution for PCB designs. Microchip Technology's commitment to quality ensures that this product meets the stringent requirements of industrial standards, making it a reliable choice for critical applications.