SI8261BAC-C-IPR

Isolators - Gate Drivers Overview

The SI8261BAC-C-IPR is a single-channel isolated gate driver from Skyworks Solutions, designed as a digital CMOS drop-in replacement for optocoupler drivers. It utilizes capacitive coupling technology to provide high-voltage isolation with a rating of 3750Vrms. The device features a peak output current capability of 4A and operates within a supply voltage range of 5V to 30V. It is qualified under the AEC-Q100 standard for automotive applications and supports an operating temperature range from -40°C to +125°C. The component is housed in an 8-SOIC package.

Isolators - Gate Drivers Feature Summary

• Provides superior common-mode transient immunity compared to traditional optocouplers
• Offers robust performance and greater reliability for long-term operation
• Serves as a direct digital CMOS replacement for legacy opto-driver solutions

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 current lifecycle status before procurement, as this specific part number is scheduled for obsolescence and discontinuation by the manufacturer. Confirm that the 8-SOIC package and 4A drive strength meet the target design requirements. Ensure compatibility with the intended isolation voltage and operating temperature range. Check for available alternative components within the same series if this unit is no longer in production.

Isolators - Gate Drivers Selection Notes

Select this component when a reliable, high-speed replacement for optocouplers is required in high-noise environments. It is suitable for designs demanding high common-mode transient immunity and extended product warranties. Consider the 4A output current capability for driving medium-power MOSFETs or IGBTs. Verify that the 3750Vrms isolation rating aligns with the system's safety requirements and regulatory standards.

Isolators - Gate Drivers Part Context

This device belongs to the Si826x family of digital drivers, which are engineered to replace optocoupler drivers in various power electronics applications. The family offers improved performance metrics, including faster switching speeds and higher reliability. These drivers are specifically configured to fit the packages and footprints of popular opto-driver products, facilitating easier upgrades in existing designs.

Isolators - Gate Drivers Replacement Considerations

SI8261BCC-C-ISR

Isolators - Gate Drivers FAQ

What is the isolation technology used in this device?

The SI8261BAC-C-IPR uses capacitive coupling technology to provide electrical isolation between the input and output channels.

Is this component qualified for automotive applications?

Yes, the SI8261BAC-C-IPR is AEC-Q100 qualified, making it suitable for automotive-grade applications.