SI823H3BB-IM1R

Isolators - Gate Drivers Overview

The SI823H3BB-IM1R is a dual-channel isolated gate driver from the Skyworks Si823Hx series, designed for high-performance power switching applications. It features a 5 kVrms isolation rating and utilizes silicon dioxide (SiO2) digital isolation technology to ensure robust signal transmission with minimal latency. The device supports both high-side and low-side configurations within a single package, offering high common-mode transient immunity of 125 kV/µs. It operates with a supply voltage range of 3 V to 5.5 V and includes integrated noise filtering capabilities. The component is housed in a 14-pin QFN package and is qualified under AEC-Q100 standards for automotive reliability.

Isolators - Gate Drivers Feature Summary

• Utilizes silicon dioxide digital isolation technology for high reliability and low latency
• Provides 5 kVrms isolation rating with high common-mode transient immunity
• Integrates dual channels for simultaneous high-side and low-side driving
• Includes built-in noise filtering to enhance system stability

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Automotive power electronics and battery management systems
• High-frequency DC-DC converters
• Solar microinverters and grid-tied inverters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IM1R' corresponds to the reel packaging variant when sourcing. Confirm that the 5 kV isolation rating aligns with your system's safety requirements. Ensure compatibility with the 3 V to 5.5 V logic input levels. Check for AEC-Q100 qualification if deploying in automotive environments. Validate thermal performance within the QFN-14 package constraints.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are critical. The dual-channel design simplifies board layout for half-bridge configurations. Consider the 125 kV/µs CMTI for noisy industrial environments. The SiO2 technology offers superior longevity compared to traditional polymer or transformer-based isolators. Ensure the application benefits from the integrated noise filtering features.

Isolators - Gate Drivers Part Context

This part belongs to the Si823Hx family of isolated gate drivers, which are engineered for demanding power conversion tasks. The family emphasizes robustness through silicon dioxide insulation, providing long-term reliability in harsh conditions. These drivers are widely used in modern power electronics where size, weight, and efficiency are paramount. The Si823Hx series supports various packaging options to suit different assembly needs.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers for SI823H3BB-IM1R were not found in the provided documentation.