SI8238AB-AS1R

Isolators - Gate Drivers Overview

The SI8238AB-AS1R is an automotive-grade, dual-channel isolated gate driver manufactured by Skyworks Solutions. It features a 3.75 kVrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device provides a maximum propagation delay of 45 ns, with rise and fall times of 12 ns each. It is housed in a 16-pin SOIC-Narrow package and supports peak output currents up to 4 A.

Isolators - Gate Drivers Feature Summary

• Dual-channel galvanic isolation for independent high-side and low-side control
• Automotive qualification ensuring reliability under harsh operating conditions
• High common-mode transient immunity for noise-resistant signal transmission

Isolators - Gate Drivers Applications

• Automotive powertrain and battery management systems
• Motor drive inverters requiring robust isolation
• Industrial motor control applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R corresponds to the reel packaging configuration required for your assembly line. Confirm that the AEC-Q100 qualification status meets your automotive supply chain standards. Ensure the SOIC-16 footprint matches your PCB design guidelines before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with automotive reliability is required. Compare propagation delay specifications against switching frequency requirements. Verify that the 3.75 kVrms isolation rating exceeds the system's working voltage. Consider the 4 A peak current capability relative to the target MOSFET or IGBT gate charge.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x series of isolated gate drivers from Skyworks Solutions. The series utilizes CMOS-based digital isolation technology to replace traditional optocouplers. This family offers improved performance metrics including lower power consumption and higher channel density compared to legacy solutions.

Isolators - Gate Drivers Replacement Considerations

Check datasheets for equivalent parts such as the SI8238AC variant if different insulation ratings are needed. Verify pinout compatibility with existing designs before substituting with other isolated gate driver families.