LM2105DSGR

Full Half-Bridge (H Bridge) Drivers Overview

The LM2105DSGR is a half-bridge gate driver manufactured by Texas Instruments, designed for driving two N-channel MOSFETs. It features a high-side and low-side configuration with a 105V startup voltage. The device provides a peak source current of 0.5A and a sink current of 0.8A. It operates within a supply voltage range of 5V to 18V. Key timing parameters include a rise time of 28ns and a fall time of 18ns. The component supports CMOS and TTL logic inputs and functions within an operating temperature range of -40°C to +125°C. It is housed in an SOIC-8 surface-mount package.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• High-voltage capability with 105V startup threshold for robust high-side switching
• Asymmetric output drive strength providing 0.5A source and 0.8A sink currents
• Low propagation delay with matched rise and fall times for reliable signal timing

Full Half-Bridge (H Bridge) Drivers Applications

• Driving N-channel MOSFETs in power conversion circuits
• Evaluation of half-bridge gate driver performance using compatible EVMs
• Applications requiring fast switching speeds with low propagation delay

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix 'DSGR' against official Texas Instruments documentation to confirm tape-and-reel packaging specifications and exact pinout compatibility. Ensure that the ordering information matches the required industrial temperature grade and SOIC-8 package variant. Cross-reference the manufacturer part number with authorized distributors to confirm authenticity and traceability before procurement.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a half-bridge driver with high-voltage startup and asymmetric drive strength is required. The LM2105 is suitable for applications needing precise timing control due to its matched rise and fall delays. Consider the SOIC-8 package size and the 5V to 18V supply range during circuit design. Verify input logic compatibility with CMOS or TTL signals to ensure proper interface integration.

Full Half-Bridge (H Bridge) Drivers Part Context

The LM2105 belongs to the LM2105 series of half-bridge gate drivers from Texas Instruments. It is specifically engineered for driving two N-channel MOSFETs in high-side and low-side configurations. The series emphasizes low propagation delay and matched edge timing for accurate gate drive signals. Evaluation modules like the LM2105EVM are available to assess these performance characteristics.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Consult official Texas Instruments documentation for confirmed pin-to-pin compatible substitutes. The LM2105EVM evaluation board can be used to test alternative components for functional equivalence. Verify that any replacement maintains the 105V startup voltage and similar drive current capabilities.