UCD7138DRST

Gate Driver Overview

The UCD7138DRST is a low-side power MOSFET gate driver manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 18 V and delivers peak output currents of 6 A sourcing and 4 A sinking. The device features fast switching characteristics with typical rise and fall times of 4 ns and 3.5 ns, respectively. It utilizes a 6-pin WSON (3x3 mm) surface-mount package and functions over an extended temperature range from -40°C to +125°C.

Gate Driver Feature Summary

• Provides high-current drive capability for efficient low-side N-channel MOSFET switching
• Features rapid signal transition speeds to minimize switching losses in power applications
• Incorporates body diode conduction sensing functionality for enhanced system monitoring

Gate Driver Applications

• Synchronous rectification circuits in DC-DC converters
• Motor control systems requiring precise low-side switching
• Power management modules in industrial equipment

Gate Driver Procurement Notes

Verify the specific suffix DRST corresponds to the standard reel or cut tape packaging configuration required for your assembly line. Confirm that the component meets RoHS3 compliance standards if mandated by your manufacturing regulations. Ensure the 6-WSON package dimensions align with your PCB footprint design rules before finalizing procurement orders.

Gate Driver Selection Notes

Select this component when designing low-side driving stages that require high peak current capability and fast switching speeds. The integrated body diode conduction sensing feature distinguishes it from basic drivers, offering additional diagnostic potential. Ensure the input logic levels are compatible with the specified threshold voltages for reliable operation in your specific circuit topology.

Gate Driver Part Context

This part belongs to the UCD7138 series of gate drivers designed for power management applications. It serves as a specialized solution for driving low-side MOSFETs where efficiency and speed are critical. The series focuses on providing robust performance in compact packages suitable for modern dense electronic designs.

Gate Driver Replacement Considerations

The UCD7138DRSR is a documented variant within the same family, sharing similar functional specifications but potentially differing in packaging or minor parameter tolerances. Verify pinout compatibility and electrical characteristics before substituting.