SI8261BBD-C-IM

Isolators - Gate Drivers Overview

The SI8261BBD-C-IM is a digital CMOS gate driver from the Si826x series, designed as a drop-in replacement for optocoupler drivers. It features a single channel with inverting configuration and an 8-SOIC package. The device provides a peak output current of 4 A and supports supply voltages between 5 V and 30 V. Key electrical parameters include a propagation delay of 60 ns (tpLH) and 50 ns (tpHL), with rise and fall times of 5.5 ns and 8.5 ns respectively. It offers high common-mode transient immunity of 35 kV/µs and operates within a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Provides superior common-mode transient immunity compared to traditional opto-drivers
• Offers robust performance and greater reliability for long-term operation
• Features a digital CMOS design that fits standard opto-driver footprints

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-IM' against official Skyworks documentation to confirm package type and tape/reel specifications. Check for end-of-life notices or process change notifications, as older variants may have limited availability. Ensure compatibility with existing PCB footprints intended for optocoupler replacements before procurement.

Isolators - Gate Drivers Selection Notes

Select this component when replacing legacy optocouplers in applications requiring higher reliability and faster switching speeds. The 4 A peak drive capability suits medium-power MOSFET and IGBT gating. Consider the 8-pin SOIC footprint for direct board upgrades without redesigning layout constraints associated with wider opto-driver packages.

Isolators - Gate Drivers Part Context

Part of the Si826x family of digital isolation gate drivers. This series replaces opto-isolated drivers with silicon-based technology, offering improved performance metrics such as lower propagation delay and higher common-mode rejection. The family includes various packages and configurations to support diverse industrial and automotive applications.

Isolators - Gate Drivers Replacement Considerations

SI8261BCD-C-IS

Isolators - Gate Drivers FAQ

What is the common-mode transient immunity rating?

The device provides a minimum common-mode transient immunity of 35 kV/µs.

Does this driver support automotive applications?

Yes, the Si826x series is qualified under the AEC-Q100 standard for automotive use.