SI8273AB-IS1R

Isolators - Gate Drivers Overview

The SI8273AB-IS1R is a high-performance, current-output isolated gate driver from Skyworks Solutions. It features a single-channel configuration housed in a 16-pin SOIC package. The device provides robust galvanic isolation with a 2.5 kVRMS insulation voltage and supports an operating temperature range of -40°C to +125°C. 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 qualified under AEC-Q100 standards for automotive applications and offers a power dissipation capacity of 1.2 W.

Isolators - Gate Drivers Feature Summary

• Utilizes proprietary silicon isolation technology for industry-leading noise immunity and reliability
• Provides high common-mode transient immunity (CMTI) for stable operation in noisy environments
• Integrates high-side and low-side drivers with 2.5 kV RMS isolation capability
• Includes under-voltage lockout (UVLO) functionality for safe switching operations

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverters and converters
• High-frequency power supply designs
• Solid-state transformer applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1R indicates reel packaging when sourcing components. Confirm that the AB variant matches the required pinout and functional specifications for your design. Ensure compatibility with AEC-Q100 requirements if deploying in automotive contexts. Cross-reference datasheet revisions to guarantee parameter consistency during procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high-speed switching with minimal latency and skew. The 16-pin SOIC package facilitates surface-mount integration. Consider the 1.2 W power dissipation limit when designing thermal management solutions. The 2.5 kVRMS isolation rating suits systems demanding significant galvanic separation between control and power stages.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of isolated gate drivers from Skyworks Solutions. The series leverages capacitive coupling technology to replace traditional magnetic isolation methods. These drivers are designed for high-reliability applications where signal integrity and speed are critical. The family includes variants with different channel counts and output currents.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers: SI8273AB-IS1.