NCP51820 High Performance 650V Half Bridge Gate Driver for GaN Power Switches


NCP51820 High Performance 650V Half Bridge Gate Driver for GaN Power Switches

Manufacturer

Part #

Category

onsemi NCP51820 Semiconductors

Description

The NCP51820 is a high-speed gate driver designed for driving enhancement mode and gate injection transistor GaN HEMT power switches in half-bridge topologies. It features short and matched propagation delays, a wide common mode voltage range, and integrated protection functions such as UVLO and thermal shutdown. This device is ideal for high-frequency, high-efficiency power conversion applications.


Introduction

The NCP51820 from onsemi is a high-performance gate driver IC specifically engineered for use with Gallium Nitride (GaN) power switches. Designed to meet the demands of modern power electronics, this device enables efficient and reliable operation in high-frequency, high-voltage environments.

Part Description

The NCP51820 is a 650V half-bridge gate driver optimized for enhancement mode and gate injection transistor GaN HEMT power switches. It boasts short and precisely matched propagation delays, ensuring synchronized switching. The device supports a wide common mode voltage range, making it suitable for various power topologies. Integrated protection features, such as undervoltage lockout (UVLO) and thermal shutdown, enhance system reliability and safeguard sensitive components during operation.

Applications

  • High-frequency DC-DC converters
  • AC-DC power supplies
  • Motor drives
  • Class D audio amplifiers
  • Wireless power transfer systems
  • Solar inverters
  • Uninterruptible power supplies (UPS)

Industries

  • Renewable energy (solar, wind)
  • Consumer electronics
  • Industrial automation
  • Automotive (electric vehicles, charging stations)
  • Telecommunications
  • Data centers and server infrastructure

Usage Ideas

  1. High-Efficiency Power Supply for Data Centers
    Design a compact, high-frequency DC-DC converter using GaN HEMTs and the NCP51820 to improve energy efficiency and reduce thermal management requirements in server racks.

  2. Wireless Charging Station
    Develop a wireless power transfer system for consumer devices, leveraging the fast switching and high-voltage capabilities of the NCP51820 to maximize power delivery and minimize losses.

  3. Solar Microinverter
    Create a microinverter for solar panels that utilizes the NCP51820 to drive GaN switches, enabling higher conversion efficiency and smaller form factors for residential solar installations.

Conclusion

The NCP51820 High Performance 650V Half Bridge Gate Driver from onsemi is a versatile and robust solution for driving GaN power switches in demanding applications. Its advanced features and integrated protections make it an excellent choice for engineers seeking to enhance efficiency, reliability, and performance in next-generation power electronics across a wide range of industries.