LM5100CMAX

Product Overview

Category: Integrated Circuit (IC)

Use: The LM5100CMAX is a high-voltage gate driver IC designed for driving both high-side and low-side N-channel MOSFETs in various applications.

Characteristics: - High voltage capability - Fast switching speed - Low power consumption - Wide operating temperature range

Package: The LM5100CMAX 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 devices.

Packaging/Quantity: The LM5100CMAX is typically sold in reels containing 250 units.

Specifications

• Supply Voltage Range: 10V to 100V
• Output Current Capability: ±2A
• Operating Temperature Range: -40°C to 125°C
• Rise/Fall Time: 15ns (typical)
• Propagation Delay: 75ns (typical)
• Input Logic Compatibility: CMOS, TTL

Pin Configuration

The LM5100CMAX features the following pin configuration:

1. VDD: Positive supply voltage
2. GND: Ground reference
3. IN: Input pin for controlling the high-side MOSFET
4. LO: Output pin for driving the low-side MOSFET
5. HO: Output pin for driving the high-side MOSFET
6. NC: No connection
7. VS: High-side floating supply return
8. VB: High-side floating supply

Functional Features

• High voltage level shifting
• Adaptive shoot-through protection
• Under-voltage lockout (UVLO) protection
• Thermal shutdown protection
• Integrated bootstrap diode
• Adjustable dead-time control

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving power devices in various applications - Fast switching speed enables efficient power conversion - Low power consumption reduces energy losses - Wide operating temperature range ensures reliable performance in harsh environments

Disadvantages: - Limited output current capability may restrict usage in high-power applications - Requires external components for complete gate driver implementation

Working Principles

The LM5100CMAX operates by receiving input signals to control the high-side and low-side MOSFETs. It provides level shifting and protection features to ensure safe and efficient operation of the power devices. The integrated bootstrap diode simplifies the design by eliminating the need for an external diode.

Detailed Application Field Plans

The LM5100CMAX is commonly used in the following applications:

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

Alternative Models

For similar functionality, the following alternative models can be considered:

1. LM5113: Dual-channel high-voltage gate driver
2. IRS2186: High and low-side gate driver with integrated bootstrap diode
3. MAX4427: High-speed MOSFET driver with adjustable dead-time control

These alternative models offer comparable features and can be suitable replacements depending on specific requirements.

In conclusion, the LM5100CMAX is a high-voltage gate driver IC that provides efficient and reliable control for power electronics applications. With its fast switching speed, wide operating temperature range, and various protection features, it is widely used in diverse fields such as SMPS, motor drives, and solar inverters.