The LM5067MMX-2/NOPB is a high-performance, negative hot-swap controller designed by Texas Instruments to provide secure power management in negative voltage environments. This integrated circuit is specifically engineered for applications that require insertion and removal of electronic cards from live backplanes or negative supply buses without causing any disruptive glitches or short circuits.

Key Features

• Supply Voltage Range: The device operates over a wide range of supply voltages, from -9V to -80V, making it versatile for various industry applications.
• Programmable Current Limit: The LM5067MMX-2/NOPB offers a programmable current limit feature, allowing designers to set the maximum current threshold according to their system requirements.
• Power Good Flag: It provides a "power good" flag, which indicates when the output voltage is within a specific range, thus ensuring reliable system startup and operation.
• Circuit Protection: The device includes robust circuit protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, which safeguard the system against various fault conditions.
• High-Side Drive: With its high-side drive capability, the LM5067MMX-2/NOPB can control the gate of an external N-channel MOSFET, which is used to switch the negative supply rail.

Applications

The LM5067MMX-2/NOPB is suitable for a broad array of applications, including:

• Telecom and datacom systems
• Industrial control systems
• Networking equipment
• Server and storage systems
• Negative voltage power distribution systems

Package and Quality

The device is offered in a small, surface-mount package, specifically the 10-pin VSSOP (MSOP-10), which is ideal for space-constrained applications. The "NOPB" designation indicates that the product is manufactured without the use of lead (Pb), aligning with RoHS (Restriction of Hazardous Substances) standards for environmental safety and compliance.

With its combination of performance, protection features, and versatile applications, the LM5067MMX-2/NOPB from Texas Instruments stands out as a reliable solution for negative voltage hot-swap control.