LM5068MM-1/NOPB

Product Overview

Category

The LM5068MM-1/NOPB belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power distribution and protection in various electronic systems. It provides features such as overcurrent protection, hot swap control, and fault detection.

Characteristics

• Overcurrent protection: The LM5068MM-1/NOPB offers robust overcurrent protection by monitoring the current flowing through a load and quickly shutting down the circuit if an excessive current is detected.
• Hot swap control: It enables safe insertion and removal of circuit boards or modules into live systems without causing any disruption or damage.
• Fault detection: The IC can detect various faults such as overvoltage, undervoltage, and reverse voltage conditions, ensuring the system's reliability.

Package

The LM5068MM-1/NOPB comes in a miniature 10-pin VSSOP package, which allows for space-efficient integration into electronic devices.

Essence

The essence of this product lies in its ability to provide reliable power management and protection functions, ensuring the safe operation of electronic systems.

Packaging/Quantity

The LM5068MM-1/NOPB is typically available in reels containing a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Overcurrent Threshold Range: 50mA to 1.6A
• Quiescent Current: 20µA (typical)
• Fault Reporting: Open-drain output
• Power-On Reset Delay: 100ms (typical)

Detailed Pin Configuration

The LM5068MM-1/NOPB has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FLT: Fault output
4. EN: Enable pin
5. OV: Overvoltage threshold pin
6. UV: Undervoltage threshold pin
7. OCSET: Overcurrent threshold setting pin
8. OC: Overcurrent detection pin
9. PG: Power good output
10. ILIM: Current limit setting pin

Functional Features

• Overcurrent Protection: The LM5068MM-1/NOPB monitors the current flowing through a load and shuts down the circuit if an overcurrent condition is detected.
• Hot Swap Control: It allows for safe insertion and removal of circuit boards or modules into live systems by controlling the inrush current.
• Fault Reporting: The IC provides a fault output pin (FLT) to indicate various fault conditions such as overvoltage, undervoltage, and reverse voltage.
• Power Good Output: The PG pin indicates when the output voltage has reached a stable level after power-up or during normal operation.

Advantages and Disadvantages

Advantages

• Robust overcurrent protection ensures the safety of electronic systems.
• Hot swap control prevents damage during board/module insertion or removal.
• Fault reporting enables quick identification of system faults.
• Power good output indicates stable operation.

Disadvantages

• Limited input voltage range (2.7V to 5.5V).
• Requires external components for complete power management solution.

Working Principles

The LM5068MM-1/NOPB operates by continuously monitoring the current flowing through a load. If the current exceeds the set overcurrent threshold, the IC quickly shuts down the circuit to protect the load and prevent further damage. It also controls the inrush current during hot swapping to avoid voltage spikes. The fault reporting feature alerts the system to various fault conditions, ensuring prompt action can be taken.

Detailed Application Field Plans

The LM5068MM-1/NOPB finds applications in various electronic systems that require power distribution and protection. Some potential application fields include:

1. Server Systems: The IC can protect critical components in server systems from overcurrent and voltage faults, ensuring uninterrupted operation.
2. Industrial Automation: It can be used in industrial automation equipment to safeguard sensitive devices from power-related issues.
3. Telecommunications: The LM5068MM-1/NOPB provides reliable power management and protection for telecommunications infrastructure, preventing damage to network equipment.
4. Automotive Electronics: It can be utilized in automotive electronics to protect sensitive modules from voltage spikes during hot swapping.

Detailed and Complete Alternative Models

1. TPS2490: This power management IC offers similar features such as overcurrent protection and hot swap control. It operates over a wider input voltage range and includes additional fault detection capabilities.
2. LTC4366: This IC provides comprehensive power management and protection functions, including overvoltage, undervoltage, and reverse voltage protection. It also features adjustable current limiting and fault reporting.

These alternative models offer similar