LM5101AMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Gate Driver
• Package: 8-SOIC (Small Outline Integrated Circuit)
• Essence: Efficient and reliable gate driver for high voltage applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: -0.3V to 14V
• Output Voltage Range: -0.3V to 14V
• Supply Voltage Range: 4.5V to 14V
• Operating Temperature Range: -40°C to +125°C
• Switching Frequency: Up to 2MHz
• Output Current: ±2A peak source/sink
• Propagation Delay: 35ns (typical)

Pin Configuration

The LM5101AMX/NOPB has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. HO: High-side gate drive output
4. LO: Low-side gate drive output
5. RT: External resistor connected to set dead time
6. CT: External capacitor connected to set oscillator frequency
7. SD: Shutdown input
8. IN: Logic input

Functional Features

• High voltage level shifting
• Adaptive shoot-through protection
• Integrated bootstrap diode
• Adjustable dead time
• Internal UVLO (Undervoltage Lockout) protection
• Thermal shutdown protection
• Logic-level inputs compatible with standard CMOS or LSTTL outputs

Advantages and Disadvantages

Advantages

• Wide input and output voltage range
• High output current capability
• Fast propagation delay
• Integrated protection features
• Flexible dead time adjustment

Disadvantages

• Requires external components for operation
• Limited operating temperature range

Working Principles

The LM5101AMX/NOPB is a high voltage gate driver IC designed to efficiently drive power MOSFETs and IGBTs in high voltage applications. It utilizes a bootstrap technique to provide the necessary high-side gate drive voltage. The adaptive shoot-through protection prevents both high-side and low-side MOSFETs from conducting simultaneously, ensuring safe operation.

The device features an adjustable dead time, allowing users to optimize switching performance according to their specific application requirements. Internal protection mechanisms such as undervoltage lockout (UVLO) and thermal shutdown ensure reliable operation and prevent damage to the IC.

Detailed Application Field Plans

The LM5101AMX/NOPB is commonly used in various power management applications, including:

1. Switching Power Supplies
2. Motor Drives
3. Solar Inverters
4. Uninterruptible Power Supplies (UPS)
5. Electric Vehicle Charging Systems

In these applications, the LM5101AMX/NOPB provides efficient and reliable gate driving for power MOSFETs and IGBTs, enabling high-performance and robust power conversion.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LM5101AMX/NOPB are:

1. IR2104S: High and Low Side Driver IC
2. MAX4426: Dual High-Speed MOSFET Driver
3. FAN7388: Half-Bridge Gate Driver IC
4. UCC27211A: 120V Half-Bridge Gate Driver

These alternative models offer similar functionality and can be suitable replacements depending on the specific requirements of the application.

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