The L6385ED from STMicroelectronics is a sophisticated high-voltage gate driver designed to manage MOSFETs and IGBTs. This driver is particularly suitable for high-efficiency converters and motor control applications. The L6385ED is a high and low-side driver, which means it can drive both the high-side and low-side switches in a half-bridge configuration.

Key Features

• High-Voltage Capability: The device can handle up to 600V, which makes it suitable for a wide range of power applications.
• Integrated Bootstrap Diode: The inclusion of an internal bootstrap diode simplifies the circuit design and reduces external component count.
• Independent High and Low-Side Outputs: This provides flexibility in designing various types of power converters.
• Matched Propagation Delays: Ensures better control and reliability in switching, which is crucial for high-frequency operations.
• Under-Voltage Lockout (UVLO): Both high-side and low-side sections are protected against insufficient supply voltage, which prevents malfunctioning of the driver.
• CMOS/TTL Compatible Inputs: The inputs are compatible with a wide range of control signals, making the device versatile for interfacing with different types of microcontrollers.

Applications

The L6385ED is ideal for a range of applications, including:

• Switch Mode Power Supplies (SMPS)
• Power Factor Correction circuits
• Motor Control systems
• DC-DC converters
• LED lighting systems

Technical Specifications

With an operating voltage range from 10V to 20V, the L6385ED can deliver output currents of up to 400mA for the high-side and 650mA for the low-side. Its robust design can withstand voltage spikes up to 600V, thanks to its dV/dt immunity of 50 V/ns.

Conclusion

The STMicroelectronics L6385ED is a high-performance solution for driving power switches in a variety of high-voltage applications. It offers a compact, efficient, and reliable way to control power devices, making it a valuable component in advanced electronic systems.