LM5104M

Overview

The LM5104M is a high-voltage half-bridge gate driver designed for synchronous rectification applications. It integrates both high-side and low-side drivers within a single package, supporting supply voltages from 9 V to 14 V. The device delivers peak output currents of 1.8 A for both sourcing and sinking operations. It features CMOS logic inputs compatible with standard digital controllers and operates reliably across an extended temperature range from -40 °C to +125 °C. The component utilizes a WSON-10 surface-mount package to facilitate compact PCB layouts.

Feature Summary

• Integrates high-side and low-side drivers for half-bridge configurations
• Supports synchronous rectification with optimized propagation delay
• Features CMOS-compatible input logic thresholds

Applications

• Synchronous buck converters
• Half-bridge power stages
• Motor drive circuits

Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout and electrical specifications. Ensure the selected variant matches the required operating voltage range and thermal performance for the target application environment.

Selection Notes

Select this component when a compact solution for driving synchronous MOSFETs in half-bridge topologies is required. Consider the 1.8 A peak current capability and the 100 V self-supply range for high-voltage switching applications requiring efficient power management.

Part Context

This part belongs to the LM5104 series of high-voltage gate drivers manufactured by Texas Instruments. It is engineered to replace older discrete driver solutions by integrating necessary protection and control features into a single integrated circuit, simplifying design complexity.

Replacement Considerations

LM5104SD/NOPB