LM5100ASDX

Overview

The LM5100ASDX is a high-voltage half-bridge gate driver manufactured by Texas Instruments. It integrates independent high-side and low-side drivers designed to drive N-channel power MOSFETs in hard-switching applications. The device operates with a supply voltage range of 9 V to 14 V and supports logic inputs compatible with CMOS and TTL standards. It features fast switching characteristics, including rise and fall times of 10 ns, and provides an output peak current capability of 3 A. The component is rated for operation across an extended temperature range from -40°C to +125°C and is housed in an 8-pin WSON package.

Feature Summary

• Integrates independent high-side and low-side gate drivers for half-bridge configurations
• Provides 3 A peak output current capability for driving N-channel MOSFETs
• Supports direct interface with standard CMOS and TTL logic levels
• Operates reliably within an extended industrial temperature range

Applications

• Motor control systems
• Power conversion circuits
• Industrial motor drives

Procurement Notes

Verify the specific suffix 'SDX' against the official Texas Instruments datasheet to confirm the exact package type and tape-and-reel specifications. Ensure that the ordering part number matches the required pinout and thermal performance characteristics for the target PCB layout. Cross-reference the manufacturer's latest documentation to confirm compliance with RoHS directives and material declarations before finalizing procurement orders.

Selection Notes

Select this component when a 3 A drive strength is required for N-channel MOSFETs in half-bridge topologies. The device is suitable for applications requiring fast switching speeds with 10 ns transition times. Consider the 9 V to 14 V supply voltage range and the compatibility with standard logic families during circuit design. Evaluate the thermal requirements associated with the WSON package for the intended operating environment.

Part Context

The LM5100 series comprises high-voltage half-bridge gate drivers available in various drive current ratings. This specific model belongs to the family offering 3 A output capability, distinguishing it from lower-current variants like the 2 A or 1 A versions. The series is designed for robust performance in demanding power electronics applications, providing integrated protection features and reliable switching characteristics for industrial and automotive use cases.

Replacement Considerations

LM5100ASDX/NOPB