SI8261BAA-C-IS

Isolators - Gate Drivers Overview

The SI8261BAA-C-IS is a single-channel isolated gate driver from the Si826x family, designed as a digital CMOS drop-in replacement for optocoupler drivers. It features a 1 kV isolation rating and delivers a peak output current of 4.0 A. The device operates within a supply voltage range of 5 V to 30 V and supports an inverting configuration. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C. Packaged in a tube format, it offers superior common-mode transient immunity compared to traditional optical isolators.

Isolators - Gate Drivers Feature Summary

• Digital CMOS technology provides robust performance and greater reliability than traditional opto-drivers
• Offers superior common-mode transient immunity for high-noise environments
• Designed as a direct pin-compatible replacement for legacy optocoupler drivers

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 'C-IS' against the manufacturer's latest documentation to confirm package type and tape/reel specifications, as variations exist within the series. Ensure compatibility with AEC-Q100 requirements if used in automotive contexts. Cross-reference the 1 kV isolation rating with system safety standards. Confirm that the inverting logic aligns with the control circuit design before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when a reliable, long-life alternative to optocouplers is required for high-power switching applications. The 4.0 A drive strength suits medium-power MOSFET and IGBT gates. Consider the inverting signal path for logical interface matching. The wide operating temperature range and automotive qualification make it suitable for demanding industrial and automotive environments where fail-safe operation over extended periods is critical.

Isolators - Gate Drivers Part Context

This part belongs to the Si826x Digital Drivers family, which replaces discrete optocoupler solutions with integrated digital isolator technology. The family emphasizes reduced footprint and improved reliability for power electronics. The SI8261BAA-C-IS specifically targets single-channel applications requiring moderate isolation voltage and high drive capability, fitting into the broader portfolio of Skyworks Solutions' power management and isolation products.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.