SI8273BBD-AS1R

Isolators - Gate Drivers Overview

The SI8273BBD-AS1R is a single-channel automotive-grade capacitive isolation gate driver from Skyworks Solutions. It features high common-mode transient immunity and operates with a 2.5 kVrms isolation voltage. The device supports high-side and low-side configurations within a 16-pin SOIC package. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It functions within a temperature range of -40°C to +125°C and dissipates up to 1.2 W of power.

Isolators - Gate Drivers Feature Summary

• Automotive-grade design optimized for high common-mode transient immunity
• Capacitive coupling technology providing galvanic isolation
• Integrated deglitching functionality for signal integrity

Isolators - Gate Drivers Applications

• Automotive motor control systems
• High-voltage inverter drives
• Isolated power supply gate driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm reel packaging and automotive qualification status. Ensure compatibility with system voltage requirements and thermal management needs before procurement. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Isolators - Gate Drivers Selection Notes

Select this component when automotive reliability and high CMTI are required for isolated gate driving applications. The 16-SOIC package facilitates surface-mount assembly. Consider the 8V UVLO feature for robust startup behavior in varying input conditions compared to lower threshold alternatives.

Isolators - Gate Drivers Part Context

This part belongs to the Si8273 series of isolated gate drivers designed for demanding industrial and automotive environments. The series utilizes Skyworks' proprietary capacitive isolation technology to replace traditional magnetic isolators, offering superior performance in noise immunity and size reduction for modern power electronics designs.

Isolators - Gate Drivers Replacement Considerations

Check datasheets for SI8273BBD-IS1R or SI8273AB variants for potential pin-compatible alternatives. Verify that any substitute maintains the same 2.5 kVrms isolation rating and automotive AEC-Q100 compliance if required by the application.

Isolators - Gate Drivers FAQ

What type of isolation technology does the SI8273BBD-AS1R use?

It uses capacitive coupling technology for galvanic isolation.

Does this device support both high-side and low-side driving?

Yes, the configuration supports both high-side and low-side isolated driver applications.