SI8261BCC-C-IPR

Isolators - Gate Drivers Overview

The SI8261BCC-C-IPR is a single-channel isolated gate driver utilizing Skyworks capacitive coupling technology, designed as a digital CMOS replacement for optocoupler drivers. It features a peak output current of 4A and supports an output supply voltage range of 13.5V to 30V. The device provides 3750Vrms isolation voltage with a minimum common-mode transient immunity of 35kV/µs. Propagation delays are specified at a maximum of 60ns (tpLH) and 50ns (tpHL), with pulse width distortion under 28ns. Rise and fall times are typically 5.5ns and 8.5ns respectively. It operates within a temperature range of -40°C to 125°C and holds AEC-Q100 qualification.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology providing superior common-mode transient immunity compared to traditional opto-drivers
• Robust performance and reliability suitable for long-term fail-safe operation in high-power applications
• Digital CMOS drop-in replacement solution compatible with 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 component authenticity through authorized distributors or direct manufacturer channels due to the presence of counterfeit risks in the market. Confirm that the specific suffix corresponds to the PDIP-8 package variant. Check for recent Product Change Notices regarding manufacturing site transfers or material updates. Ensure storage conditions comply with moisture sensitivity level requirements prior to reflow soldering. Validate that the procurement source provides valid traceability documentation for automotive-grade applications.

Isolators - Gate Drivers Selection Notes

Select this component when replacing legacy optocouplers in designs requiring higher reliability and faster switching speeds. The 4A peak drive current supports driving larger MOSFETs or IGBTs efficiently. Consider the 3750Vrms isolation barrier for safety-critical circuits. The AEC-Q100 qualification makes it suitable for automotive environments. Evaluate the PDIP-8 package constraint against available PCB real estate and thermal management needs.

Isolators - Gate Drivers Part Context

This part belongs to the Si826x family of isolated gate drivers from Skyworks Solutions. The family offers various configurations including half-bridge and single-channel options in packages like SOIC-8 and SDIP-6. These devices are engineered to replace optocouplers in industrial and automotive applications, offering improved performance metrics such as lower propagation delay and higher CMTI while maintaining standard pinouts for easy design upgrades.

Isolators - Gate Drivers Replacement Considerations

The datasheet indicates this product is obsolete. Designers should consult official substitution guides for equivalent active parts within the Si826x series or newer generations. Verify pin compatibility and electrical parameter equivalence before transitioning to alternative components to ensure system integrity.