SI82398AB4-AS1R

Isolators - Gate Drivers Overview

The SI82398AB4-AS1R is a dual-channel automotive-grade isolated gate driver utilizing capacitive coupling technology. It provides galvanic isolation with a rated insulation voltage of 2500 Vrms. The device features a non-inverting logic configuration and operates within an input voltage range of 2.5 V to 5.5 V. 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 functions with a working supply current of 7.3 mA and supports a power dissipation of 2 W. The component is designed for high electromagnetic immunity and operates across a temperature range from -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Automotive qualification ensuring reliability in harsh environments
• High electromagnetic immunity for robust signal integrity
• Capacitive coupling isolation for durable long-term operation

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Inverter gate drive circuits
• High-voltage switching applications requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm tape-and-reel packaging requirements. Ensure compatibility with the SI8239XISO-KIT development environment if prototyping. Confirm that the 16-SOIC narrow package dimensions align with your PCB footprint constraints. Validate that the 2500 Vrms isolation rating meets the safety standards required for your specific application design.

Isolators - Gate Drivers Selection Notes

Select this component when automotive-grade certification and high electromagnetic immunity are critical. The dual-channel configuration suits half-bridge or full-bridge topologies. Consider the 4 A output current for driving medium-power MOSFETs or IGBTs. The 12 ns transition times support higher frequency switching operations compared to slower optocoupler alternatives.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x series of isolated gate drivers from Skyworks Solutions. It replaces older optocoupler-based solutions by offering superior speed and longevity through capacitive isolation technology. The series is specifically engineered for automotive and industrial applications demanding high reliability and noise immunity.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks datasheets for direct pin-compatible replacements within the Si8239x family. Verify if alternative packages or reel options are available from authorized distributors.