LMG3626REQR

Power Distribution Switches, Load Drivers Overview

The Texas Instruments LMG3626REQR is a 700 V, 220 mΩ Gallium Nitride (GaN) power field-effect transistor integrated with a gate driver. Designed for switch-mode power supply applications, it supports light-load efficiency and burst mode operation with low quiescent current. The device features an integrated gate driver with adjustable turn-on slew rate, high-bandwidth current sensing, and comprehensive protection including under-voltage lockout, cycle-by-cycle overcurrent protection, and thermal shutdown via the FLT pin. It operates within a temperature range of -40°C to 125°C and is housed in an 8 mm x 5.3 mm QFN package with a thermal pad.

Power Distribution Switches, Load Drivers Feature Summary

• Integrated GaN FET with low on-resistance and optimized gate driver for efficient switching
• Built-in protection mechanisms including cycle-by-cycle current limiting and thermal fault reporting
• High-precision analog current sensing interface for accurate load monitoring
• Supports burst mode operation for enhanced efficiency in light-load conditions

Power Distribution Switches, Load Drivers Applications

• AC/DC adapters and chargers
• Mobile wall charger designs
• USB wall power outlets
• Auxiliary power supplies
• LED lighting power systems

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix REQR against the manufacturer's official datasheet to confirm tape-and-reel packaging and lead frame finish specifications. Ensure compatibility with the intended PCB thermal design, as the QFN package requires adequate copper area for heat dissipation. Cross-reference the operating voltage and current ratings with system requirements to validate performance under peak load conditions.

Power Distribution Switches, Load Drivers Selection Notes

Select this component for high-density power designs requiring fast switching speeds and reduced magnetic component size. The integrated gate driver simplifies layout by minimizing parasitic inductance. Consider the thermal performance of the QFN package when designing heatsinking solutions. Verify that the control logic voltage levels align with the microcontroller or controller IC used in the application.

Power Distribution Switches, Load Drivers Part Context

The LMG3626 belongs to Texas Instruments' family of integrated GaN power stages. These devices combine high-voltage GaN transistors with control logic to simplify power supply design. Compared to traditional silicon MOSFETs, they offer higher switching frequencies and improved efficiency. This integration reduces board space and component count in modern power conversion architectures.

Power Distribution Switches, Load Drivers Replacement Considerations

Consult the official TI replacement guide for direct pin-compatible alternatives. Verify that any substitute maintains the 700 V rating and similar Rds(on) characteristics. Ensure the replacement device supports the same protection features and package dimensions for seamless integration into existing designs.