LM5101BSDX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Voltage Gate Driver
• Package: LLP (Leadless Package)
• Essence: Efficient and reliable gate driver for power electronics applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: -0.3V to 12V
• 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, ±1A source/sink

Pin Configuration

The LM5101BSDX/NOPB has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. HIN: High-side gate driver input
6. LIN: Low-side gate driver input
7. SD: Shutdown control input
8. VCC: Logic supply voltage input

Functional Features

• High voltage level shifting capability
• Adaptive shoot-through protection
• Integrated bootstrap diode
• Internal dead-time control
• Under-voltage lockout protection
• Thermal shutdown protection
• Fast propagation delay times

Advantages and Disadvantages

Advantages: - High efficiency in power conversion applications - Wide input and output voltage range - Robust protection features - Compact and leadless package for space-constrained designs - Fast switching frequency capability

Disadvantages: - Limited output current compared to some other gate drivers - Requires external components for proper operation

Working Principles

The LM5101BSDX/NOPB is a high voltage gate driver designed to control the switching of power MOSFETs and IGBTs in various power electronics applications. It utilizes a bootstrap technique to provide efficient level shifting and drive the high-side and low-side gates of the power devices.

The adaptive shoot-through protection prevents both high-side and low-side MOSFETs from conducting simultaneously, ensuring safe and reliable operation. The integrated bootstrap diode simplifies the design by eliminating the need for an external diode.

The device also incorporates under-voltage lockout and thermal shutdown protection mechanisms to safeguard against abnormal operating conditions. Its fast propagation delay times enable precise control of the power switches, resulting in improved efficiency and reduced power losses.

Detailed Application Field Plans

The LM5101BSDX/NOPB is widely used in various power management applications, including:

1. Switching Power Supplies
2. Motor Drives
3. Solar Inverters
4. LED Lighting Systems
5. Electric Vehicle Charging Stations
6. Industrial Automation Equipment

Its high voltage capability, compact package, and robust features make it suitable for demanding applications that require efficient and reliable gate driving.

Detailed and Complete Alternative Models

1. LM5113: High Voltage Synchronous Rectifier Controller
2. LM5109: High Voltage Half-Bridge Gate Driver
3. LM5104: High Voltage Low-Side Gate Driver
4. LM5106: High Voltage Synchronous Buck Controller
5. LM5107: High Voltage Dual Half-Bridge Gate Driver

These alternative models offer similar functionality and can be considered as alternatives to the LM5101BSDX/NOPB based on specific application requirements.

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