STMicroelectronics

L6743QTR

L6743QTR Description

The L6743QTR is a half-bridge gate driver IC manufactured by STMicroelectronics, designed for high-performance applications requiring efficient power conversion. This IC is now considered obsolete, but it still offers a range of features that make it suitable for certain applications. It operates within a supply voltage range of 5V to 12V and is compliant with the ROHS3 standard, indicating its environmental friendliness.

L6743QTR Features

• Voltage - Supply: The L6743QTR can handle a supply voltage between 5V and 12V, making it versatile for various power management systems.
• REACH Status: It is REACH unaffected, ensuring compliance with European regulations regarding the use of certain substances in electronic products.
• Channel Type: The IC features synchronous channel types, which can help in reducing switching losses and improving efficiency.
• High Side Voltage - Max (Bootstrap): It can handle a maximum high-side voltage of 41V, which is beneficial for applications requiring high voltage tolerance.
• Logic Voltage - VIL, VIH: The logic voltage levels are 0.8V and 2V, respectively, which are standard for many digital systems.
• Moisture Sensitivity Level (MSL): Rated at level 3, it can withstand exposure to moisture for up to 168 hours before baking is required.
• Operating Temperature: Capable of operating in a wide temperature range from 0°C to 125°C (TJ), making it suitable for both commercial and industrial environments.
• Number of Drivers: It provides two drivers, which can be used to control two half-bridges in a power conversion system.
• Mounting Type: The IC is surface mount, which is space-efficient and.
• Package: It comes in a tape and reel packaging, which is convenient for automated placement on PCBs.

L6743QTR Applications

The L6743QTR is ideal for applications where high voltage and temperature tolerances are required, such as in motor control systems, power supplies, and industrial automation. Its synchronous channel type and high-side voltage capability make it suitable for high-efficiency power conversion tasks. Additionally, its wide operating temperature range allows it to be used in environments with varying temperature conditions.

Conclusion of L6743QTR

While the L6743QTR is an obsolete product, it still offers a robust set of features that can be beneficial in specific applications. Its ability to handle high voltages, operate over a wide temperature range, and provide synchronous channel operation make it a viable option for legacy systems or applications where these characteristics are crucial. However, for new designs, it is recommended to consider more recent gate driver ICs that offer improved performance and compliance with current industry standards.