STMicroelectronics

L9857-TR

L9857-TR Description

The L9857-TR is a high-performance, single-channel gate driver IC designed for high-side switching applications. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a surface-mount 8SO package, specifically available in tape and reel (TR) format. The L9857-TR is engineered to provide robust performance in a compact form factor, making it ideal for a variety of power management applications.

L9857-TR Features

• Supply Voltage Range: The L9857-TR operates within a supply voltage range of 10V to 18V, offering flexibility in power supply design.
• High-Side Voltage Capability: It features a maximum high-side voltage capability of 300V (bootstrap), which is crucial for applications requiring high voltage levels.
• Peak Output Current: The device can handle peak output currents of up to 500mA for both source and sink, ensuring efficient power delivery.
• Rise and Fall Time: With typical rise and fall times of 100ns, the L9857-TR ensures fast switching capabilities, reducing switching losses and improving overall system efficiency.
• Compliance and Standards: The L9857-TR is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: Rated at MSL 3 (168 hours), the device is suitable for a wide range of manufacturing processes, including reflow soldering.
• Packaging: The tape and reel (TR) packaging format facilitates automated assembly processes, enhancing production efficiency.

L9857-TR Applications

The L9857-TR is particularly well-suited for applications that require efficient high-side switching and high voltage handling. Some specific use cases include:

• Automotive Electronics: Ideal for automotive applications such as electronic control units (ECUs), where high reliability and voltage handling are critical.
• Industrial Control Systems: Suitable for industrial automation and control systems that require robust power management solutions.
• Power Supplies: Can be used in high-efficiency power supplies and converters, where fast switching and low power loss are essential.
• Motor Control: Effective in motor control applications, providing reliable gate driving for high-side MOSFETs or IGBTs.

Conclusion of L9857-TR

The L9857-TR from STMicroelectronics stands out as a versatile and high-performance gate driver IC, offering significant advantages over similar models. Its wide supply voltage range, high-side voltage capability, and fast switching times make it an excellent choice for demanding power management applications. The device's compliance with industry standards and its robust packaging further enhance its appeal. Whether in automotive, industrial, or power supply applications, the L9857-TR delivers reliable performance and efficiency, making it a preferred solution for engineers and designers in the electronics industry.