IRS2166D and IR2166 Comparison Application Note

This application note serves as a technical report comparing the IRS2166D and the IR2166 high-voltage integrated circuits (HVICs). It outlines the enhancements introduced in the IRS2166D, which include improved voltage regulation tolerance, frequency tolerance, and increased shutdown voltage threshold hysteresis. The document details the changes in the block diagram, particularly regarding the SD/EOL pin, and describes the internal bootstrap MOSFET integration. The electrical characteristics section provides a comprehensive comparison of absolute maximum ratings, recommended operating conditions, and various performance parameters between the two devices. Additionally, the report highlights the differences in supply characteristics, floating supply characteristics, and protection circuitry. The note concludes with comments on the implications of these differences for applications, emphasizing the improved robustness and performance of the IRS2166D while maintaining compatibility with existing designs.