LM5104MX

Gate Driver Overview

The LM5104MX is a high-voltage half-bridge gate driver designed to drive both high-side and low-side N-channel MOSFETs in synchronous buck configurations. It features adaptive rising and falling edges with programmable additional delay for optimized switching performance. The device operates with a supply voltage range of 9V to 14V and supports logic input levels with VIL of 0.8V and VIH of 2.2V. It provides peak output current capabilities suitable for driving power switches efficiently.

Gate Driver Feature Summary

• Drives both high-side and low-side N-channel MOSFETs
• Adaptive rising and falling edges with programmable additional delay

Gate Driver Applications

• Synchronous buck converter topologies
• High-voltage half-bridge applications
• Power supply gate driving circuits

Gate Driver Procurement Notes

Verify the specific orderable part number suffix, such as NOPB, which indicates lead-free status and RoHS compliance. Confirm the package type, typically SOIC (D) for the MX variant, matches your PCB footprint requirements. Ensure the supplier provides valid datasheets from Texas Instruments to confirm active production status and electrical specifications before procurement.

Gate Driver Selection Notes

Select this component when driving N-channel MOSFETs in high-voltage half-bridge or synchronous buck applications requiring adaptive delay control. Consider the 9V to 14V supply range and logic input thresholds to ensure compatibility with your control circuitry. Evaluate the need for programmable delay features to optimize switching speed and minimize cross-conduction risks in your specific power stage design.

Gate Driver Part Context

The LM5104MX belongs to Texas Instruments' family of high-voltage half-bridge gate drivers. It is specifically engineered for applications requiring precise control of dual N-channel MOSFETs. The device integrates features like adaptive edge control to enhance efficiency and reliability in power conversion systems, distinguishing it from standard gate drivers lacking programmable delay capabilities.

Gate Driver Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing electrical parameters, pinout configurations, and functional specifications against alternative gate drivers from Texas Instruments or other manufacturers.