Introducing the L6387ED High-Voltage Half-Bridge Driver from STMicroelectronics

The L6387ED is an advanced high-voltage half-bridge driver designed by STMicroelectronics to deliver exceptional performance in driving MOSFETs and IGBTs. This driver is particularly suitable for applications that require efficient and reliable control of half-bridge circuits, such as switch-mode power supplies, motor drivers, and power inverters. With its robust design and integrated features, the L6387ED ensures optimal operation in high-voltage environments.

Key Features

• High-Voltage Capability: The L6387ED can handle up to 600V, making it ideal for a wide range of power applications. This high-voltage rating ensures that the device can withstand voltage spikes and surges common in industrial environments.
• Advanced Bootstrap Circuit: The integrated bootstrap diode and high-voltage floating supply ensure reliable start-up and constant operation even at high switching frequencies.
• High and Low-Side Driver: With independent high-side and low-side output channels, the L6387ED provides flexible control and enables the creation of efficient half-bridge topologies.
• Matched Delay Times: The device offers matched propagation delays for both channels, which is critical for maintaining the integrity of the switching sequence and protecting the power switches from cross-conduction.
• Under-Voltage Lockout: The under-voltage lockout (UVLO) feature ensures that the device operates only when the supply voltage is within its specified range, thus safeguarding the circuit from low-voltage conditions.
• CMOS/TTL Compatible Inputs: The input logic is compatible with both CMOS and TTL levels, providing versatility in interfacing with control circuits.

Applications

• Switch-mode power supplies (SMPS)
• DC to AC power inverters
• Motor control drivers
• Class D audio amplifiers
• LED lighting systems

The L6387ED from STMicroelectronics is a testament to the company's commitment to providing innovative solutions for power control applications. Its robustness, combined with a suite of protective features, makes it an excellent choice for designers looking to improve efficiency and reliability in their high-voltage systems.