SI8238AD-D-IS3

Isolators - Gate Drivers Overview

The SI8238AD-D-IS3 is a dual-channel, galvanically isolated gate driver from Skyworks Solutions. It utilizes capacitive coupling technology to provide high electromagnetic immunity and reliable signal transmission across isolation barriers. The device features a 5 kVrms isolation voltage rating and operates within an industrial temperature range of -40°C to +125°C. Key electrical specifications include a peak output current of 4 A, a maximum propagation delay of 45 ns, and typical rise/fall times of 12 ns. It supports supply voltages between 6.5 V and 24 V for the output stage and accepts input logic levels from 2.7 V to 5.5 V.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling architecture ensures high common-mode transient immunity
• Dual independent channels with integrated UVLO protection
• AEC-Q100 qualified for automotive reliability standards

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Automotive power electronics systems
• High-frequency switching power supplies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3 indicates the SOIC-Wide-14 package variant when sourcing. Confirm that the component meets AEC-Q100 requirements if used in automotive contexts. Check manufacturer documentation for any recent process change notices affecting assembly or material composition. Ensure compatibility with system voltage levels before integration.

Isolators - Gate Drivers Selection Notes

Select this model for applications requiring robust isolation in noisy environments due to its capacitive coupling design. The dual-channel configuration simplifies bridge driver implementations. Consider the 4 A peak current capability for driving medium-power MOSFETs or IGBTs. Verify thermal management needs as power dissipation can reach 1.2 W under load.

Isolators - Gate Drivers Part Context

This component belongs to the Si823x series of isolated gate drivers from Skyworks Solutions. The series offers various channel counts and isolation ratings tailored for different power conversion needs. The SI8238 specifically targets dual-channel applications requiring high-speed switching and strong noise rejection capabilities in compact packages.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks datasheets for direct pin-compatible alternatives within the Si823x family. Verify that substitute parts match the 5 kVrms isolation rating and 4 A output current specifications. Ensure the replacement maintains the same SOIC-Wide-14 footprint and AEC-Q100 qualification status.