Half-bridge gate driver provides drop-in replacement option

October 2, 2025

Issue 7 2025

The new IXD0579M gate driver IC from Littelfuse, which features an integrated bootstrap diode and resistor, helps to simplify high-speed designs for brushless motors, power tools, and dc-dc converters.

Littelfuse has launched the IXD0579M, a high-speed gate driver which simplifies board design, saves space, and offers a reliable second source for components that drive N-channel MOSFETs or IGBTs in a half-bridge configuration. 

 

Operating across a wide supply-voltage range of 6.5 V to 18 V, the IXD0579M high-side/low-side driver integrates a bootstrap diode and a series current-limit resistor, functions which would more commonly be implemented in discrete components. This means that the IXD0579M, which is housed in a 3 mm x 3 mm TDFN package, saves board space and reduces component count and cost, while making PCB layouts simpler. 

 

Its compact footprint and robust performance also make it well-suited for space-constrained designs and high-efficiency power stages. 

Features

  • 1.5 A source and 2.5 A sink output drive current 
  • Under-voltage lockout protection 
  • TTL and CMOS logic inputs 
  • Cross-conduction protection 
  • Less than 1 µA standby current 
  • Operating-temperature range: −40 °C to 125 °C 

Applications

  • Brushless dc motor drives 
  • Battery-powered hand tools 
  • Dc-dc converters and power supplies 
  • Industrial equipment 
EXTRA_FTMIssue72025_LittelfuseIXD0579M

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