Texas Instruments LM5180 | Demoboard TIDA-010006

Beschreibung

This reference design provides isolated positive and negative voltage rails for Insulated Gate Bipolar Transistor (IGBT) gate drivers from 24-V DC input supply. It uses a flyback power supply topology to generate four pairs of 15-V and –5-V outputs suitable for powering six IGBT gate drivers of 1 W each. The integration of the 100-V rated primary side switch within the flyback controller LM5180-Q1 together with the elimination of an auxiliary transformer winding enables a compact solution.

Eigenschaften

• Quasi-resonant boundary conduction mode along with frequency modulation provides peak efficiency of 90% at balanced full load
• Supplies output power up to 1.2 W per IGBT driver
• Provides compact and cost-effective solution due to elimination of opto-coupler and transformer auxiliary winding
• Provision to turn the power supply on and off through the EN pin
• Programmable soft start limits the inrush current drawn by the power supply

Typische Anwendungen

• Variable Speed AC and Servo Drives, IGBT-Based HVDC Systems
• Industrial and Solar Inverter

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers