STMicroelectronics

L6571A

L6571A Description

The L6571A is a half-bridge gate driver IC designed and manufactured by STMicroelectronics. It features a synchronous channel type, suitable for high-voltage applications. With a supply voltage range of 10V to 16.6V, the L6571A can handle high-side voltages up to 600V, making it ideal for demanding power electronics applications. This through-hole mounted IC is compliant with the RoHS3 directive and has a moisture sensitivity level of 1, indicating unlimited storage time before use.

L6571A Features

• Supply Voltage Range: 10V to 16.6V, ensuring compatibility with a wide range of power sources.
• High-Side Voltage Tolerance: Up to 600V, allowing for high-voltage applications.
• Synchronous Channel Type: Enhances efficiency and performance in half-bridge configurations.
• Input Type: RC Input Circuit, providing stable and reliable input signal processing.
• Number of Drivers: 2, enabling control of two high-side or low-side MOSFETs.
• Mounting Type: Through Hole, facilitating easy integration into existing PCB designs.
• Peak Output Current: 170mA (Source) and 270mA (Sink), providing sufficient drive current for most MOSFETs.
• Package: Tube, offering protection during storage and handling.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• ECCN: EAR99, indicating export control classification for international trade.

L6571A Applications

The L6571A is well-suited for a variety of high-voltage, high-power applications, including:

1. Motor Control: Its ability to handle high-side voltages and provide stable gate drive makes it ideal for motor control applications, such as electric vehicles and industrial motor drives.
2. Power Supplies: The L6571A can be used in power supply designs, such as switched-mode power supplies (SMPS) and uninterruptible power supplies (UPS), where high-voltage gate drive is required.
3. Industrial Automation: Its robust performance and high-voltage capabilities make it suitable for industrial automation systems, such as servo drives and robotic control.

Conclusion of L6571A

The L6571A is a versatile and reliable half-bridge gate driver IC from STMicroelectronics, offering a range of features that make it suitable for high-voltage applications. Its synchronous channel type, high-side voltage tolerance, and stable input processing capabilities set it apart from similar models. While it is now considered obsolete, the L6571A remains a valuable component for legacy systems and specific applications where its unique features are required. For new designs, it is recommended to explore the latest offerings from STMicroelectronics that may provide enhanced performance and additional features.