LM5100AMRX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5100AMRX/NOPB is a high-voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in various applications, such as motor control, power supplies, and inverters.

Characteristics: - High voltage capability - Fast switching speed - Low propagation delay - Wide operating temperature range - Robust protection features

Package: The LM5100AMRX/NOPB is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in power electronics systems by providing efficient and reliable gate drive signals to MOSFETs, enabling them to switch on and off rapidly.

Packaging/Quantity: The LM5100AMRX/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 9V to 100V
• Output Current Capability: ±2A
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 15ns (typical)
• Maximum Duty Cycle: 50%
• Undervoltage Lockout Threshold: 7.5V (typical)
• Overvoltage Lockout Threshold: 10.5V (typical)

Pin Configuration

The LM5100AMRX/NOPB has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. HB: High-side bootstrap supply input
6. LB: Low-side bootstrap supply input
7. RT: External resistor connected to set dead time
8. CT: External capacitor connected to set dead time

Functional Features

• High-side and low-side gate drivers
• Adaptive shoot-through protection
• Integrated bootstrap diodes
• Adjustable dead time control
• UVLO (Undervoltage Lockout) and OVLO (Overvoltage Lockout) protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for versatile applications - Fast switching speed enhances system efficiency - Integrated protection features ensure safe operation - Compact package size enables space-saving designs

Disadvantages: - Limited maximum duty cycle of 50% may restrict certain applications - External components required for setting dead time

Working Principles

The LM5100AMRX/NOPB operates by receiving input signals from a controller or microcontroller, which determine the desired state of the MOSFETs. The IC then generates high and low voltage gate drive signals to turn on/off the respective MOSFETs. It incorporates adaptive shoot-through protection to prevent both MOSFETs from conducting simultaneously, reducing power losses and improving overall system efficiency.

Detailed Application Field Plans

The LM5100AMRX/NOPB finds extensive use in various applications, including: 1. Motor control systems 2. Power supplies 3. Inverters 4. Solar energy systems 5. Electric vehicle charging stations

Alternative Models

Other alternative models that can be considered as substitutes for the LM5100AMRX/NOPB include: - LM5113 - IRS21844 - MAX15062 - FAN73832 - UCC27211

These alternatives offer similar functionalities and can be chosen based on specific application requirements.

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