STMicroelectronics

L6747C  

Gate Drivers ICs

L6747C Description

The L6747C is a high-performance gate driver IC designed for half-bridge applications, manufactured by STMicroelectronics. This device is part of the L6747 family and is optimized for driving power MOSFETs and IGBTs in a wide range of power conversion applications. The L6747C features a synchronous channel type and operates within a supply voltage range of 5V to 12V, making it suitable for various power supply designs. It supports a maximum high-side voltage of 41V (bootstrap) and operates within an ambient temperature range of 0°C to 125°C (TJ).

The L6747C is compliant with REACH and ROHS3 standards, ensuring it meets environmental and safety regulations. It has a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure before reflow soldering. The device is available in a surface-mount package, specifically the 8VFDFPN package, which is ideal for compact and high-density PCB designs. The logic voltage levels are defined as VIL = 0.8V and VIH = 2V, ensuring compatibility with various control circuits.

L6747C Features

• Dual Drivers: The L6747C features two drivers capable of driving both high-side and low-side power switches, enabling efficient half-bridge configurations.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 5V to 12V, providing flexibility in power supply design.
• High-Side Voltage Capability: With a maximum high-side voltage of 41V (bootstrap), the L6747C can handle high-voltage applications, making it suitable for automotive and industrial power systems.
• Synchronous Channel Type: The synchronous operation ensures efficient power delivery and reduced switching losses.
• Environmental Compliance: The L6747C is REACH unaffected and ROHS3 compliant, meeting stringent environmental regulations.
• Moisture Sensitivity Level: MSL 3 (168 hours) ensures the device can withstand typical manufacturing processes without degradation.
• Surface-Mount Package: The 8VFDFPN package is ideal for compact designs and high-density PCB layouts.
• Logic Voltage Compatibility: Logic voltage levels of VIL = 0.8V and VIH = 2V ensure compatibility with a wide range of control circuits.

L6747C Applications

The L6747C is well-suited for a variety of applications requiring efficient power conversion and control. Some specific use cases include:

• Power Supplies: Ideal for switch-mode power supplies (SMPS) where high efficiency and compact design are critical.
• Motor Control: Suitable for driving power MOSFETs and IGBTs in motor control applications, ensuring precise control and high reliability.
• Automotive Electronics: The high-side voltage capability and environmental compliance make it suitable for automotive power systems, including electric vehicle (EV) powertrain applications.
• Industrial Power Systems: The L6747C can be used in industrial power conversion systems, such as inverters and uninterruptible power supplies (UPS), where robustness and efficiency are paramount.

Conclusion of L6747C

The L6747C gate driver IC from STMicroelectronics stands out as a versatile and reliable solution for half-bridge power conversion applications. Its wide supply voltage range, high-side voltage capability, and synchronous operation make it suitable for a variety of demanding applications, from automotive to industrial power systems. The device's environmental compliance and compact surface-mount package further enhance its appeal for modern, high-density PCB designs. Whether used in power supplies, motor control, or other power conversion applications, the L6747C offers a robust and efficient solution for driving power MOSFETs and IGBTs.

L6747C Documents

Download datasheets and manufacturer documentation for L6747C