MIC2544A-1YMM-TR - Microchip Technology

The MIC2544A-1YMM-TR is a state-of-the-art integrated circuit from Microchip Technology, designed to provide an efficient and reliable solution for USB power management and distribution. This device is a single-channel power switch optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.

Key Features:

• Integrated Power Switch: The MIC2544A-1YMM-TR includes an integrated N-channel MOSFET that can handle up to 2.5A of continuous current, making it suitable for a variety of USB peripherals.
• Over-Current Protection: To ensure the safety of USB ports, it offers a fast, accurate current-limiting response to prevent damage from over-current conditions.
• Thermal Shutdown: The device also features thermal shutdown protection to protect the IC and downstream devices from overheating.
• Under-Voltage Lockout (UVLO): The UVLO feature ensures that the device operates at the correct voltage levels, preventing malfunctions due to low voltage conditions.
• Active High Enable: An active-high enable input allows for simple on/off control of the power switch, making it easy to integrate into various system designs.
• Reverse Current Blocking: It prevents current from flowing backward through the switch when it is powered off, protecting the upstream devices from potential damage.

Applications:

The MIC2544A-1YMM-TR is ideal for a variety of applications where USB power control and protection are required, such as:

• USB Hubs
• Peripheral Power Control
• Hot-Swap Power Supplies
• Portable Devices with USB Interfaces

Package and Availability:

The device is available in an 8-pin MSOP (Mini Small Outline Package) that offers a compact footprint for space-constrained applications. The “-TR” suffix indicates that the device is provided in tape and reel packaging, which is suitable for automated assembly processes.

Quality and Reliability:

Microchip Technology is known for its commitment to quality and reliability, and the MIC2544A-1YMM-TR is no exception. It is manufactured to the highest standards to ensure consistent performance and durability for the end-user.