LM5067MM-2/NOPB

Product Overview

Category

The LM5067MM-2/NOPB belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power management systems to provide protection and control functions.

Characteristics

• The LM5067MM-2/NOPB offers a wide range of features, including overvoltage protection, undervoltage lockout, and thermal shutdown.
• It is designed to operate in harsh environments with high reliability and efficiency.
• This IC is capable of handling high voltage levels and can withstand transient voltage spikes.
• It provides accurate and precise voltage and current monitoring capabilities.

Package

The LM5067MM-2/NOPB is available in a small form factor package, known as the 8-pin VSSOP (Very Small Outline Plastic Package).

Essence

The essence of the LM5067MM-2/NOPB lies in its ability to protect power management systems from potential faults and ensure safe and reliable operation.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 80V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 50µA (typical)
• Overvoltage Threshold Accuracy: ±1%
• Undervoltage Threshold Accuracy: ±1%
• Fault Blanking Time: 10ms (typical)

Detailed Pin Configuration

The LM5067MM-2/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FLT: Fault output pin
4. EN: Enable pin
5. OV: Overvoltage threshold pin
6. UV: Undervoltage threshold pin
7. VCC: Power supply pin
8. PGND: Power ground pin

Functional Features

• Overvoltage Protection: The LM5067MM-2/NOPB monitors the input voltage and triggers a fault condition if it exceeds the set overvoltage threshold.
• Undervoltage Lockout: It ensures that the input voltage remains above the undervoltage threshold to prevent system malfunctions.
• Thermal Shutdown: In case of excessive temperature, the IC shuts down to protect itself and the connected components.
• Fault Output: The FLT pin provides an indication of any detected fault condition.
• Enable Control: The EN pin allows for easy enable/disable control of the IC.

Advantages and Disadvantages

Advantages

• Robust protection features ensure safe operation of power management systems.
• Wide input voltage range allows for versatile applications.
• Small form factor package enables space-saving designs.
• Accurate voltage and current monitoring capabilities enhance system reliability.

Disadvantages

• Limited fault blanking time may not be suitable for certain applications requiring longer fault detection delays.
• High operating temperature range may require additional cooling measures in extreme environments.

Working Principles

The LM5067MM-2/NOPB operates by continuously monitoring the input voltage and comparing it with the set overvoltage and undervoltage thresholds. If the voltage exceeds the overvoltage threshold or falls below the undervoltage threshold, the IC triggers a fault condition. Additionally, it incorporates thermal shutdown functionality to protect against excessive temperature.

Detailed Application Field Plans

The LM5067MM-2/NOPB finds application in various power management systems, including but not limited to:

1. Industrial Automation: Protecting sensitive equipment from voltage fluctuations and ensuring reliable operation.
2. Automotive Electronics: Safeguarding automotive electrical systems from potential faults and damage.
3. Renewable Energy Systems: Monitoring and controlling voltage levels in solar power systems to maximize efficiency and prevent damage.
4. Telecommunications: Providing voltage protection and control in telecom infrastructure to maintain uninterrupted operation.

Detailed and Complete Alternative Models

1. LM5066MM-2/NOPB: Similar to the LM5067MM-2/NOPB, but with additional fault blanking time for longer fault detection delays.
2. LM5068MM-2/NOPB: Offers extended operating temperature range for extreme environments.
3. LM5069MM-2/NOPB: Provides enhanced fault reporting capabilities through additional pins.

(Note: The above alternative models are suggestions and may not cover all available alternatives in the market.)

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