SI8274AB4D-AS1R

Isolators - Gate Drivers Overview

The SI8274AB4D-AS1R is a single-channel galvanically isolated gate driver from the Si8274 series, manufactured by Skyworks Solutions. It features high common-mode transient immunity (CMTI) of 200 kV/µs and an isolation voltage of 2.5 kVrms. The device operates with a PWM input and includes deglitching capabilities. It supports high-side and low-side configurations within a 16-SOIC package. Key electrical parameters include a maximum propagation delay of 105 ns, rise time of 16 ns, and fall time of 18 ns. It is qualified under AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity ensures reliable signal transmission in noisy environments
• Integrated deglitching function filters out spurious pulses for stable gate driving
• Automotive-grade qualification supports operation in demanding vehicle electronics systems

Isolators - Gate Drivers Applications

• Automotive power inverter control
• Motor drive systems requiring isolated switching
• Industrial motor control applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing components. Confirm that the AEC-Q100 qualification aligns with your automotive project requirements. Ensure the SOIC-16 footprint matches your PCB design constraints. Check for moisture sensitivity levels if storage conditions are critical to maintaining component integrity during assembly processes.

Isolators - Gate Drivers Selection Notes

Choose this component for applications requiring robust isolation between control logic and power stages. The high CMTI rating makes it suitable for systems with rapid voltage transitions. Consider the single-channel configuration for simplified circuit designs compared to dual-channel alternatives. Evaluate the thermal performance within the SOIC-16 package against your system's heat dissipation capabilities.

Isolators - Gate Drivers Part Context

This part belongs to the Si8274 family of digital isolators, which utilizes Skyworks' proprietary capacitive isolation technology. The family offers various channel counts and configurations to support diverse industrial and automotive needs. The SI8274AB4D-AS1R specifically targets high-reliability sectors where signal integrity and isolation strength are paramount for safe operation.

Isolators - Gate Drivers Replacement Considerations

The SI8274DB4D-AS1R is a related variant within the same series. Verify functional compatibility before substitution as output voltage specifications may differ between variants. Ensure pinout compatibility remains consistent across potential replacements to avoid redesign efforts.