LM5069MMX-1

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management and Protection

Characteristics: - High voltage protection - Overcurrent protection - Thermal shutdown protection - Fault detection and reporting

Package: 10-Pin VSSOP

Essence: The LM5069MMX-1 is a high voltage protection IC designed to safeguard electronic circuits from overvoltage, overcurrent, and thermal damage.

Packaging/Quantity: Available in reels of 2500 units

Specifications

The LM5069MMX-1 offers the following specifications:

• Input Voltage Range: 4V to 80V
• Overvoltage Threshold Range: 4.5V to 100V
• Overcurrent Threshold Range: 0.5A to 10A
• Operating Temperature Range: -40°C to +125°C
• Fault Reporting: Open-drain output

Pin Configuration

The LM5069MMX-1 features the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. FLT: Fault output
4. OV: Overvoltage threshold adjustment
5. OC: Overcurrent threshold adjustment
6. EN: Enable input
7. PGND: Power ground
8. VDD: Supply voltage
9. VOUT: Output voltage
10. NC: No connection

Functional Features

The LM5069MMX-1 provides the following functional features:

• Overvoltage Protection: Monitors the input voltage and triggers a fault condition if it exceeds the set threshold.
• Overcurrent Protection: Detects excessive current flow and initiates a fault response to protect the circuit.
• Thermal Shutdown Protection: Safeguards against overheating by shutting down the device when the temperature exceeds the specified limit.
• Fault Detection and Reporting: The FLT pin provides an open-drain output to indicate the occurrence of a fault condition.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Adjustable overvoltage and overcurrent thresholds - Comprehensive protection features - Compact package size

Disadvantages: - Limited fault reporting options - Requires external components for complete circuit protection

Working Principles

The LM5069MMX-1 operates by continuously monitoring the input voltage and current. It compares these values with the set thresholds for overvoltage and overcurrent protection. If either threshold is exceeded, the device triggers a fault condition, which can be indicated through the FLT pin. Additionally, the LM5069MMX-1 incorporates thermal shutdown protection to prevent damage due to excessive heat.

Detailed Application Field Plans

The LM5069MMX-1 finds applications in various fields, including:

1. Automotive Electronics: Protecting sensitive electronic systems from voltage spikes and current surges in vehicles.
2. Industrial Automation: Safeguarding control circuits and power supplies in industrial equipment.
3. Renewable Energy Systems: Ensuring the safety and reliability of solar inverters and wind turbine control systems.
4. Telecommunications: Protecting communication infrastructure from power fluctuations and faults.

Detailed and Complete Alternative Models

1. LM5069MMX-2: Similar to LM5069MMX-1 but with extended input voltage range up to 100V.
2. LM5069MMX-3: Enhanced version with additional fault reporting options and adjustable response times.

These alternative models offer similar functionality to the LM5069MMX-1 while providing specific enhancements based on different application requirements.

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