STMicroelectronics

L9856-TR-LF

L9856-TR-LF Description

The L9856-TR-LF is a high-performance gate driver IC designed by STMicroelectronics, specifically tailored for high-side switching applications. This single-channel gate driver offers a robust and efficient solution for driving power MOSFETs and IGBTs in various power electronics applications. The device operates within a supply voltage range of 4.4V to 6.5V, ensuring compatibility with a wide range of power supplies. It features a maximum high-side voltage capability of 150V, making it suitable for high-voltage applications.

The L9856-TR-LF is housed in an 8SO surface-mount package, which is ideal for compact and high-density PCB designs. The device is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards. With a moisture sensitivity level (MSL) of 3 (168 hours), it is well-suited for manufacturing processes that require extended exposure to moisture.

L9856-TR-LF Features

• Single Channel Design: The L9856-TR-LF is designed to drive a single high-side switch, simplifying the circuit design and reducing component count.
• High-Side Voltage Capability: With a maximum high-side voltage of 150V, this gate driver is suitable for applications requiring high-voltage switching.
• Inverting Input Type: The inverting input type allows for straightforward control logic integration, making it easier to implement in various control schemes.
• Peak Output Current: The device can source and sink up to 500mA, ensuring robust drive capability for power switches.
• Fast Rise and Fall Times: The typical rise and fall times of 100ns ensure rapid switching, minimizing switching losses and improving overall system efficiency.
• Surface Mount Packaging: The 8SO surface-mount package is ideal for automated assembly processes, enhancing manufacturing efficiency and reliability.
• Regulatory Compliance: The L9856-TR-LF is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and regulatory standards.

L9856-TR-LF Applications

The L9856-TR-LF is particularly well-suited for applications that require high-voltage, high-current switching with minimal switching losses. Some specific use cases include:

• Power Supplies: Ideal for driving high-side switches in DC-DC converters and power supply circuits, where rapid switching and high efficiency are critical.
• Motor Control: Suitable for driving power switches in motor control applications, providing precise control and efficient power delivery.
• Automotive Electronics: Given its high voltage and current capabilities, it can be used in automotive applications such as electronic control units (ECUs) and motor drives.
• Industrial Automation: The robustness and efficiency of the L9856-TR-LF make it suitable for industrial applications, including PLCs and motor drives.

Conclusion of L9856-TR-LF

The L9856-TR-LF gate driver IC from STMicroelectronics offers a versatile and efficient solution for high-side switching applications. Its high-voltage capability, fast switching times, and robust design make it an ideal choice for power electronics applications requiring high efficiency and reliability. The surface-mount package and regulatory compliance further enhance its suitability for modern manufacturing processes. Whether used in power supplies, motor control, automotive electronics, or industrial automation, the L9856-TR-LF provides a reliable and efficient gate driving solution.