SI8261AAC-C-IP

Isolators - Gate Drivers Overview

The SI8261AAC-C-IP is a single-channel isolated gate driver from Skyworks Solutions, designed as a digital CMOS replacement for optocoupler drivers. It utilizes capacitive coupling technology to provide robust signal isolation with a rated voltage of 3750Vrms. The device features a peak output current capability of 4A and operates on a supply voltage range of 5V to 30V. Key electrical parameters include a maximum propagation delay of 60ns, rise time of 5.5ns, and fall time of 8.5ns. It supports an operating temperature range from -40°C to +125°C and holds AEC-Q100 qualification.

Isolators - Gate Drivers Feature Summary

• Provides superior common-mode transient immunity compared to traditional optocoupler drivers
• Offers a direct pin-compatible drop-in solution for legacy opto-driver products
• Ensures long-term reliability suitable for applications requiring extended product warranties

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 component status carefully as this specific part number may be obsolete or discontinued in certain regions. Confirm availability through authorized distributors and check for recommended manufacturer substitutes if production continuity is required. Ensure the selected package variant matches the intended PCB footprint and assembly process requirements.

Isolators - Gate Drivers Selection Notes

Select this component when replacing existing optocouplers in high-reliability designs. Consider the 4A peak drive current and 3750Vrms isolation rating for appropriate voltage levels. Verify that the SOIC-8 or DIP-8 package options meet the thermal and spatial constraints of the target application board design.

Isolators - Gate Drivers Part Context

This device belongs to the Si826x family of digital isolators. The family provides a modern alternative to optical isolation components, offering improved performance metrics such as faster switching speeds and higher common-mode noise rejection. It is engineered to maintain system integrity in electrically noisy environments typical of power electronics.

Isolators - Gate Drivers Replacement Considerations

Skyworks recommends the SI8261AAC-C-IS as a substitute for this obsolete part number. Verify pinout compatibility and electrical specifications before implementing any cross-reference component in the design.