LM5101ASD

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5101ASD is a high-voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in various power applications.

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

Package: SOIC-8

Essence: The LM5101ASD is an essential component in power electronics systems, enabling efficient and reliable switching of MOSFETs.

Packaging/Quantity: The LM5101ASD is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 9V to 100V
• Gate Drive Voltage Range: -5V to 12V
• Maximum Output Current: ±2A
• Operating Temperature Range: -40°C to 125°C
• Rise/Fall Time: 10ns (typical)
• Propagation Delay: 35ns (typical)

Pin Configuration

The LM5101ASD has the following pin configuration:

___________ | | VDD|1 8|GND INH|2 7|HO LIN|3 6|LO VBH|4 5|VBL |___________|

Functional Features

• High-side and low-side gate drivers
• Independent inputs for high-side and low-side control
• Adaptive shoot-through protection
• Integrated bootstrap diode
• Under-voltage lockout (UVLO) protection
• Over-current protection (OCP)
• Thermal shutdown protection

Advantages

• High voltage capability allows for use in a wide range of applications
• Fast switching speed enables efficient power conversion
• Robust protection features enhance system reliability
• Integrated bootstrap diode simplifies circuit design

Disadvantages

• Limited output current may not be suitable for high-power applications
• Requires external components for proper operation

Working Principles

The LM5101ASD operates by receiving control signals at the LIN and INH inputs, which determine the state of the high-side and low-side MOSFETs. The gate drivers provide the necessary voltage and current to switch the MOSFETs on and off rapidly, enabling efficient power conversion. The adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously, reducing power loss and preventing damage.

Application Field Plans

The LM5101ASD is commonly used in various power electronics applications, including:

1. Switch-mode power supplies (SMPS)
2. Motor drives
3. Solar inverters
4. LED lighting systems
5. Electric vehicle charging stations

Alternative Models

• LM5102: Dual high-voltage gate driver
• LM5113: High-voltage half-bridge gate driver
• LM5109: High-voltage synchronous rectifier driver

These alternative models offer similar functionality and can be considered as substitutes for the LM5101ASD in specific applications.

In conclusion, the LM5101ASD is a versatile high-voltage gate driver IC with fast switching speed, robust protection features, and wide application possibilities. Its compact SOIC-8 package and essential characteristics make it an ideal choice for power electronics systems requiring efficient and reliable MOSFET switching.