SI82521BD-AS3R

Isolators - Gate Drivers Overview

The SI82521BD-AS3R is a galvanically isolated gate driver from Skyworks Solutions, designed for automotive applications. It features a 5 kV isolation rating and supports both high-side and low-side configurations within a single channel. The device utilizes silicon technology and is housed in a 14-pin SOIC package. It is AEC-Q100 qualified and operates with non-inverting logic. The component is supplied in a reel packaging format.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation between control and power stages
• Supports high-side and low-side driver topologies
• Qualified for automotive reliability standards

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• High-voltage motor drive circuits
• Isolated switching applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS3R to confirm reel packaging and automotive qualification status. Ensure compatibility with the required isolation voltage and package type during sourcing. Cross-reference official Skyworks documentation to validate current production status and regional availability constraints before finalizing procurement plans.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel solution with high isolation voltage is required for automotive environments. Consider the SOIC-14 footprint for board space constraints. Verify that the non-inverting logic configuration aligns with the system's control signal requirements and that the silicon-based isolation technology meets the application's noise immunity needs.

Isolators - Gate Drivers Part Context

This part belongs to the SI82521 series of isolated gate drivers. It shares design characteristics with other variants in the family but is distinguished by its specific packaging and automotive qualification. The series focuses on providing reliable isolation for power switching applications in demanding environments.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-compatible alternatives within the SI8252x series. Verify if variants with different packaging options or isolation ratings are suitable substitutes based on specific system requirements.