SI8273ABD-AS1R

Isolators - Gate Drivers Overview

The SI8273ABD-AS1R is a single-channel automotive-grade current-isolated gate driver manufactured by Skyworks Solutions. It features a SOIC-16 surface-mount package and operates within a temperature range of -40°C to +125°C. The device provides 2.5 kVrms isolation voltage and supports a maximum power dissipation of 1.2 W. Key electrical parameters include a maximum propagation delay of 75 ns, a rise time of 16 ns, and a fall time of 18 ns. It is designed for high common-mode transient immunity applications.

Isolators - Gate Drivers Feature Summary

• Automotive-grade reliability with AEC-Q100 qualification
• High common-mode transient immunity (CMTI) performance
• Galvanic isolation with 2.5 kVrms insulation voltage
• Under-voltage lockout (UVLO) functionality for driver protection

Isolators - Gate Drivers Applications

• Automotive inverter control systems
• Motor drive applications requiring high CMTI
• Industrial power conversion circuits
• Isolated gate driving for power switches

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm pinout and functional configuration. Ensure compatibility with automotive environmental standards and operating temperature ranges required for the target application. Cross-reference datasheet specifications for isolation voltage and thermal limits before integration.

Isolators - Gate Drivers Selection Notes

Select this component for applications demanding robust isolation and high-speed switching in automotive environments. Consider the SOIC-16 package constraints and thermal dissipation capabilities. Evaluate the 75 ns propagation delay against system timing requirements. Confirm that the 2.5 kVrms isolation rating meets safety standards for the specific circuit topology.

Isolators - Gate Drivers Part Context

This part belongs to the SI827x series of isolated gate drivers from Skyworks Solutions. It is specifically engineered for automotive applications, distinguishing it from general-purpose industrial variants through its AEC-Q100 certification. The series emphasizes high common-mode transient immunity to ensure reliable operation in electrically noisy power electronics environments.

Isolators - Gate Drivers Replacement Considerations

The SI8273ABD-IS1R is a related variant within the same family. Verify if the IS1R suffix offers identical or modified electrical characteristics suitable for the design. Consult official substitution lists to ensure functional equivalence without compromising automotive qualification status.