SI8261BBC-APR

Isolators - Gate Drivers Overview

The SI8261BBC-APR is a digital CMOS gate driver from Skyworks Solutions, designed as a drop-in replacement for optocoupler drivers. It features capacitive coupling technology with 3750Vrms isolation voltage and AEC-Q100 automotive qualification. The device provides dual outputs with peak currents up to 4A, operating within a supply voltage range of 13.5V to 30V. Key electrical parameters include a propagation delay of 60ns (tpLH) and 50ns (tpHL), rise/fall times of 5.5ns/8.5ns, and a common-mode transient immunity of 35kV/µs. It operates across a temperature range of -40°C to +125°C in an 8-SMD package.

Isolators - Gate Drivers Feature Summary

• Digital CMOS drop-in replacement for high-speed opto-coupled gate drivers
• Capacitive coupling technology offering superior common-mode transient immunity
• Automotive-grade reliability with AEC-Q100 qualification
• Low power diode emulator simplifies design-in process

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 current availability status as the component may be obsolete or subject to production changes. Confirm package type and pinout compatibility with existing designs. Check for alternative packages if surface-mount options are required. Ensure compliance with RoHS and REACH regulations. Review product change notifications for any updates to specifications or manufacturing locations.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring robust isolation and high-speed switching capabilities. Consider the 4A peak output current for driving power MOSFETs or IGBTs. Evaluate the 3750Vrms isolation rating against system safety requirements. Assess the need for automotive qualification if used in vehicle electronics. Compare performance metrics such as propagation delay and CMTI against legacy optocoupler solutions.

Isolators - Gate Drivers Part Context

Part of the Si826x series of digital drivers, which provide a modern alternative to traditional optocouplers. This series offers improved reliability, longer product warranties, and better performance in harsh environments. The SI8261BBC-APR specifically targets industrial and automotive markets where long-term fail-safe operation is critical.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes like SI8261BCC-C-IPR if available. Verify pin compatibility and electrical parameter equivalence. Consider package differences between tube and reel formats. Review obsolescence notices for end-of-life products.