SI82394CD-AS3

Isolators - Gate Drivers Overview

The SI82394CD-AS3 is a dual-channel, automotive-grade isolated gate driver from Skyworks Solutions. It utilizes capacitive coupling technology to provide galvanic isolation with a rated insulation voltage of 3250 Vrms. The device features a non-inverting logic configuration and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum propagation delay of 40 ns, rise and fall times of 12 ns each, and a peak output current capability of 4 A. It is housed in a 14-pin SOIC-Wide package.

Isolators - Gate Drivers Feature Summary

• Automotive qualification for high reliability applications
• High electromagnetic immunity via capacitive isolation
• Dual-channel independent drive capability

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• IGBT and MOSFET gate driving
• Inverter control circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS3 indicates tube packaging when sourcing. Confirm the 3250 Vrms isolation rating matches system requirements. Ensure the 14-pin SOIC footprint aligns with PCB layout constraints. Cross-reference the automotive grade designation with target vehicle standards.

Isolators - Gate Drivers Selection Notes

Select this component for designs requiring robust isolation between low-voltage control logic and high-voltage power stages. The dual-channel architecture supports half-bridge configurations efficiently. Consider the 4A output drive strength for medium-power switching devices. Verify thermal dissipation capabilities within the specified operating temperature range.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x series of isolated gate drivers. It shares functional similarities with other variants like SI82394CD-AS but differs in package type and isolation voltage ratings. The series is designed to replace traditional transformer-based drivers in compact automotive and industrial applications.

Isolators - Gate Drivers Replacement Considerations

SI82394CD-AS is a related variant offering 2500 Vrms isolation in a 16-pin package. Verify pinout compatibility and isolation voltage adequacy before substitution.