Product Overview: LM5050MK-2/NOPB

The LM5050MK-2/NOPB from Texas Instruments is a high-performance controller designed for managing the operation of N-channel power MOSFETs used as ideal diodes. This device integrates seamlessly into power management systems to enhance efficiency and reliability, particularly in applications where diode losses are unacceptable, or space constraints make the use of bulky heat sinks impractical.

Key Features

• High-Side ORing FET Controller: The LM5050MK-2/NOPB can control the gate of an external N-channel MOSFET to function as a high-side diode with virtually no forward voltage drop, significantly reducing power loss and heat dissipation.
• Wide Operating Voltage Range: This device is capable of operating over a wide input voltage range from 5.5V to 75V, accommodating a broad spectrum of power systems and ensuring compatibility with various applications.
• Charge Pump Gate Driver: The integrated charge pump ensures that the gate voltage of the external MOSFET can be driven above the source voltage, enabling full enhancement of the MOSFET for minimal on-resistance.
• Reverse Voltage Protection: The LM5050MK-2/NOPB provides reverse voltage protection, preventing reverse current flow when the input voltage is lower than the output voltage, thus safeguarding downstream components.
• Fast Turn-Off under Fault Conditions: In the event of an over-current or short-circuit condition, the device is designed to turn off the MOSFET swiftly, minimizing the risk of damage.

Applications

The versatility of the LM5050MK-2/NOPB makes it suitable for a wide range of applications, including:

• Redundant Power Supplies
• Telecommunications Systems
• Server and Data Centers
• Automotive Power Systems
• Industrial Power Equipment

Quality and Reliability

Encased in a small 6-pin SOT-23 package, the LM5050MK-2/NOPB is designed to meet the rigorous standards of Texas Instruments for quality and reliability. Its lead-free and RoHS-compliant construction makes it suitable for eco-friendly applications and adheres to international regulations concerning hazardous substances.

Conclusion

The LM5050MK-2/NOPB is a testament to Texas Instruments' commitment to providing innovative and energy-efficient solutions for power management challenges. With its sophisticated features and robust design, this ORing FET controller is an excellent choice for designers looking to optimize system performance while minimizing power loss and protecting critical components.