LM5104SDX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5104SDX/NOPB is a high-voltage gate driver IC designed for driving N-channel MOSFETs in various power conversion applications.

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

Package: The LM5104SDX/NOPB is available in a small outline package (SOIC) with 8 pins.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable control of high-power MOSFET switches.

Packaging/Quantity: The LM5104SDX/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 10V to 100V
• Output Voltage Range: 0V to VDD
• Maximum Output Current: ±2A
• Operating Temperature Range: -40°C to 125°C
• Rise/Fall Time: 15ns (typical)
• Supply Voltage Range: 4.5V to 13.2V

Pin Configuration

The LM5104SDX/NOPB features the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. IN: Logic input for controlling the gate driver
4. HO: High-side gate driver output
5. LO: Low-side gate driver output
6. NC: No connection
7. SD: Shutdown input for disabling the gate driver
8. VSS: Negative power supply input

Functional Features

• High voltage level shifting
• Adaptive shoot-through protection
• Integrated bootstrap diode
• Under-voltage lockout (UVLO) protection
• Over-current protection (OCP)
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving power MOSFETs in various applications - Fast switching speed enables efficient power conversion - Robust protection features enhance system reliability - Wide operating temperature range ensures performance in harsh environments

Disadvantages: - Limited output current may restrict usage in high-power applications - Requires external components for proper operation

Working Principles

The LM5104SDX/NOPB operates by receiving a logic input signal (IN) to control the gate driver. It provides high voltage level shifting to drive the N-channel MOSFETs efficiently. The adaptive shoot-through protection prevents both high-side and low-side MOSFETs from conducting simultaneously, minimizing power losses. The integrated bootstrap diode simplifies the design by eliminating the need for an external diode. The UVLO, OCP, and thermal shutdown protections ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The LM5104SDX/NOPB finds applications in various power conversion systems, including: 1. Switch-mode power supplies (SMPS) 2. Motor drives 3. Solar inverters 4. Uninterruptible power supplies (UPS) 5. LED lighting systems

Alternative Models

For similar functionality, the following alternative models can be considered: - LM5113 - IRS21844S - FAN73832 - MCP1407

These alternatives offer comparable features and can be used as substitutes based on specific application requirements.

In conclusion, the LM5104SDX/NOPB is a high-voltage gate driver IC with fast switching speed, robust protection features, and wide operating temperature range. Its versatile applications make it a valuable component in power electronics systems.