The LM5100AMX from Texas Instruments is a high voltage gate driver designed to drive both the high-side and low-side N-Channel MOSFETs in a synchronous buck or a half-bridge configuration. Its robust design is suitable for a variety of applications, including motor control, power supply, and converter systems.

Key Features

• High Voltage Range: The LM5100AMX can handle voltages up to 100V, making it ideal for managing high voltage power conversion tasks efficiently.
• High Drive Current: With peak output currents of up to 2A for the high-side and 2A for the low-side, this gate driver ensures rapid and reliable switching of connected MOSFETs.
• Independent Inputs: Separate inputs for high-side and low-side gates provide design flexibility and the ability to implement various control methodologies.
• Bootstrap Operation: The device supports bootstrap operation with a floating high-side driver, which is essential for high-side N-Channel MOSFET control.
• Protection Features: Built-in under-voltage lockout (UVLO) for both the high-side and low-side drivers ensures the device operates only when it is within the safe voltage range.
• Fast Propagation Delays: The LM5100AMX boasts fast propagation delays, which are crucial for high-frequency operation and help to reduce switching losses.

Applications

The versatility of the LM5100AMX makes it a go-to driver for a range of applications. It is particularly well-suited for high-efficiency power supplies, motor drives, and power converters that require reliable and efficient high-side and low-side MOSFET driving capabilities.

Package and Availability

The LM5100AMX is available in an 8-pin SOIC package, providing a compact solution for space-constrained applications. It is part of Texas Instruments' commitment to offering high-performance power management solutions that cater to the demanding needs of modern electronic systems.