LM5101MX/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: The LM5101MX/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 - Wide operating temperature range - Low quiescent current - Protection features against overcurrent and overtemperature

Package: The LM5101MX/NOPB is available in a small outline integrated circuit (SOIC) package.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable switching of MOSFETs.

Packaging/Quantity: The LM5101MX/NOPB is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 9V to 100V
• Output Current Capability: ±2A
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 150µA (typical)
• Rise and Fall Time: 10ns (typical)
• Maximum Duty Cycle: 50%
• Overcurrent Protection Threshold: Adjustable
• Overtemperature Protection Threshold: Adjustable

Pin Configuration

The LM5101MX/NOPB has the following pin configuration:

1. VDD: Power supply input
2. HO: High-side gate driver output
3. LO: Low-side gate driver output
4. LGND: Logic ground
5. VB: Bootstrap supply input
6. HB: High-side floating supply input
7. HS: High-side floating supply return
8. GND: Ground
9. VS: Low-side floating supply return
10. LS: Low-side floating supply input

Functional Features

• High-side and low-side gate driver outputs for N-channel MOSFETs
• Bootstrap supply for high-side gate driver
• Adaptive shoot-through protection
• Adjustable overcurrent and overtemperature protection thresholds
• Integrated undervoltage lockout (UVLO) protection
• Logic-level inputs compatible with standard CMOS or LSTTL outputs

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for versatile applications - Fast switching speed enables efficient power conversion - Protection features enhance system reliability - Compact SOIC package facilitates easy integration into circuit designs

Disadvantages: - Limited to driving N-channel MOSFETs only - Requires external bootstrap capacitor for high-side gate driver operation

Working Principles

The LM5101MX/NOPB operates by receiving control signals from a microcontroller or other logic circuits. It generates the necessary gate drive voltages to switch the high-side and low-side N-channel MOSFETs in a half-bridge configuration. The adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously, ensuring safe and efficient operation.

Detailed Application Field Plans

The LM5101MX/NOPB finds application in various fields, including: - Motor control systems - Power supplies and inverters - Electric vehicle charging stations - Solar power converters - Uninterruptible power supplies (UPS) - Industrial automation equipment

Alternative Models

Other alternative models that can be considered as substitutes for the LM5101MX/NOPB include: - LM5113 - IRS2186 - UCC27211 - FAN7382 - MCP1407

These alternatives offer similar functionality and can be chosen based on specific requirements and availability.

In conclusion, the LM5101MX/NOPB is a versatile high-voltage gate driver IC suitable for driving N-channel MOSFETs in various power electronics applications. Its fast switching speed, wide operating voltage range, and protection features make it an ideal choice for efficient and reliable system designs.