SI8261BCD-ASR

Isolators - Gate Drivers Overview

The SI8261BCD-ASR is an automotive-grade, optically isolated gate driver from Skyworks Solutions Inc., designed as a digital CMOS drop-in replacement for traditional optocoupler drivers. It features a single-channel configuration with inverting logic and utilizes capacitive coupling technology to provide galvanic isolation. The device operates within a supply voltage range of 5 V to 30 V and supports surface-mount installation in an SDIP-6 package. Certified under AEC-Q100 standards, it ensures robust performance across a wide operating temperature range from -40°C to +125°C, offering superior common-mode transient immunity compared to legacy optical solutions.

Isolators - Gate Drivers Feature Summary

• Provides a digital CMOS drop-in replacement solution for optocoupler drivers
• Features capacitive coupling technology for galvanic isolation
• Delivers superior common-mode transient immunity and robust performance
• Certified to AEC-Q100 automotive quality standards

Isolators - Gate Drivers Applications

• Industrial drives and motor control systems
• Solar power inverters
• Switched-mode power supplies (SMPS)
• Uninterruptible power supplies (UPS)
• High-voltage medical equipment

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'ASR' against the manufacturer's current product status documentation, as certain variants within the Si826x family may have reached end-of-life or discontinuation status. Confirm that the SDIP-6 package and AEC-Q100 qualification align with the intended automotive application requirements before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when replacing legacy opto-drivers in applications requiring long-term reliability and extended product warranties. Ensure the design accommodates the inverting logic configuration and verify that the 5 V to 30 V supply voltage range matches the system's power architecture. Consider the thermal management capabilities required for operation up to +125°C in high-power environments.

Isolators - Gate Drivers Part Context

This part belongs to the Si826x series of isolated gate drivers, which are engineered to replace optocouplers in demanding industrial and automotive environments. The series emphasizes fail-safe operation and enhanced durability, making it suitable for applications where system uptime and performance consistency are critical over extended operational lifespans.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers include SI8261BAD-C-IS and SI8261BCD-C-IS.