STMicroelectronics

L6743DTR

L6743DTR Description

The L6743DTR is a high-performance gate driver IC designed for half-bridge configurations, manufactured by STMicroelectronics. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-pin SO package. The L6743DTR is designed to operate within a supply voltage range of 5V to 12V, making it suitable for a variety of applications requiring efficient power management. Despite its obsolete product status, the L6743DTR remains a reliable choice for specific power management needs.

L6743DTR Features

• Dual Drivers: The L6743DTR features two synchronous drivers, capable of driving both high-side and low-side MOSFETs in a half-bridge configuration.
• Wide Supply Voltage Range: With a supply voltage range of 5V to 12V, the L6743DTR offers flexibility in power supply requirements.
• High-Side Voltage Capability: The high-side driver can operate up to a maximum bootstrap voltage of 41V, ensuring robust performance in high-voltage applications.
• Logic Compatibility: The device supports logic voltage levels of 0.8V for VIL and 2V for VIH, ensuring compatibility with a wide range of control signals.
• Thermal Performance: The L6743DTR is designed to operate within a temperature range of 0°C to 125°C (TJ), making it suitable for demanding industrial environments.
• Compliance and Reliability: The L6743DTR is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory compliance.
• Moisture Sensitivity: With a Moisture Sensitivity Level (MSL) of 3 (168 hours), the L6743DTR is suitable for surface mount applications without significant risk of moisture-related issues.

L6743DTR Applications

The L6743DTR is ideal for applications requiring efficient power management and high-voltage handling in half-bridge configurations. Specific use cases include:

• Motor Control: Driving high-voltage MOSFETs in motor control applications, ensuring efficient power delivery and control.
• Power Supplies: Used in switching power supplies where high-side and low-side drivers are required for efficient power conversion.
• Industrial Automation: Suitable for industrial applications requiring robust power management and high-voltage handling.
• Renewable Energy Systems: Ideal for applications in renewable energy systems, such as solar inverters, where high-voltage and high-efficiency power management are critical.

Conclusion of L6743DTR

The L6743DTR from STMicroelectronics is a versatile gate driver IC designed for half-bridge configurations, offering a wide supply voltage range, high-side voltage capability, and robust thermal performance. Despite its obsolete status, the L6743DTR remains a reliable choice for applications requiring efficient power management and high-voltage handling. Its compliance with environmental and regulatory standards ensures its suitability for modern industrial and renewable energy applications.