Texas Instruments LMG1020 Low-Side GaN Driver

Texas Instruments LMG1020 Low-Side GaN Driver is a single, low-side driver designed for driving GaN FETs and logic-level MOSFETs in high-speed applications. These applications include LiDAR, time-of-flight, facial recognition, and any power converters involving low-side drivers. The design simplicity of the LMG1020 enables extremely fast propagation delays of 2.5 nanoseconds and minimum pulse width of 1 nanosecond. The drive strength is independently adjustable for the pull-up and pull-down edges by connecting external resistors between the gate and OUTH and OUTL, respectively. The driver features under voltage lockout (UVLO) and over-temperature protection (OTP) in the event of overload or fault conditions.

Features

  • Low-side, ultra-fast gate driver for GaN and silicon FETs
  • 1ns Minimum input pulse width
  • Up to 60MHz operation
  • 2.5ns Typical, 4.5ns maximum propagation delay
  • 400ps Typical rise and fall time
  • 7A Peak source and 5A peak sink currents
  • 5V Supply voltage
  • UVLO and overtemperature protection
  • 0.8mm × 1.2mm WCSP Package

Applications

  • LiDAR
  • Time-of-flight laser drivers
  • Facial recognition
  • Class-E wireless chargers
  • VHF Resonant power converters
  • GaN-Based synchronous rectifier
  • Augmented reality

Functional Block Diagram

Block Diagram - Texas Instruments LMG1020 Low-Side GaN Driver