SI82394CD-ASR

Isolators - Gate Drivers Overview

The SI82394CD-ASR is a dual-channel, galvanically isolated gate driver from Skyworks Solutions. It features capacitive coupling for signal transmission with an isolation voltage of 2500 Vrms. The device operates within a temperature range of -40°C to +125°C and supports non-inverting logic configuration. Key electrical parameters include a maximum propagation delay of 40 ns, rise and fall times of 12 ns, and a peak output current capability of 4 A. It functions with a supply voltage up to 12 V and consumes approximately 7.3 mA of quiescent current. The component is housed in a 16-pin SOIC-Wide package.

Isolators - Gate Drivers Feature Summary

• Provides high electromagnetic immunity through digital isolation technology
• Supports automotive qualification standards for reliability
• Delivers strong drive capability for power switches

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Industrial motor control drives
• High-voltage switching applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix ASR indicates tape and reel packaging when sourcing. Confirm that the component meets required automotive quality standards if used in vehicle systems. Check datasheet for humidity sensitivity levels and recommended storage conditions prior to assembly. Ensure compatibility with existing PCB footprint specifications for the 16-SOIC wide package.

Isolators - Gate Drivers Selection Notes

Select this model for applications requiring robust digital isolation between control and power stages. The dual-channel design simplifies half-bridge configurations. Consider the 4 A output current for driving medium-power MOSFETs or IGBTs. Verify that the 2500 Vrms isolation rating satisfies system safety requirements. Evaluate thermal performance given the specified power dissipation limits in enclosed environments.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers. These devices utilize Skyworks' proprietary capacitive isolation technology. The family offers various insulation ratings and packaging options. The SI82394 variant specifically provides dual-channel functionality with high-speed switching characteristics suitable for demanding power conversion tasks.

Isolators - Gate Drivers FAQ

What type of isolation technology does the SI82394CD-ASR use?

It uses capacitive coupling for digital isolation.

Is this component qualified for automotive applications?

Yes, it is documented as having automotive qualifications.