Introducing the L6387DTR High-Voltage Half-Bridge Driver from STMicroelectronics

The L6387DTR is a high-voltage, high-speed power driver designed by STMicroelectronics, specifically engineered to drive N-channel power MOSFETs or IGBTs in a half-bridge configuration. This advanced driver is a perfect solution for a wide array of applications, including switch-mode power supplies, motor drivers, and other power conversion or control systems that demand efficient and reliable operation.

Key Features

• High-Voltage Capability: The L6387DTR can handle high-voltage rails up to 600V, making it suitable for various industrial applications that require robust performance under demanding conditions.
• Advanced Bootstrap Circuit: It includes a high-voltage bootstrap diode, which provides the necessary charge pump for the high-side gate driver, ensuring reliable start-up and operation even at low V<sub>CC voltages.
• High and Low-Side Driver: With both high-side and low-side output channels, the L6387DTR can efficiently switch power devices in a half-bridge configuration, providing versatility in design.
• Integrated Dead-Time: The built-in dead-time generation helps prevent shoot-through, enhancing system safety and reliability by ensuring that both high-side and low-side switches are not conducting simultaneously.
• Matched Propagation Delays: The device offers matched propagation delays for both channels, which is crucial for maintaining the integrity of the switching action and minimizing timing errors.
• Under-Voltage Lockout (UVLO): The L6387DTR features UVLO protection on both the low-side and high-side, ensuring the device operates only when the supply voltage is within the specified range.

Applications

The versatility of the L6387DTR makes it an ideal choice for a variety of applications. It is commonly used in:

• AC-DC converters
• DC-DC converters
• Motor control systems
• Class-D audio amplifiers
• Resonant converters

With its robust design and comprehensive feature set, the L6387DTR from STMicroelectronics provides an efficient and reliable solution for driving power switches in high-voltage applications. Its compact SO-8N package also ensures a minimal footprint on the PCB, making it an excellent choice for space-constrained designs.