SI8234AC-AS1R

Isolators - Gate Drivers Overview

The SI8234AC-AS1R is a dual-channel galvanically isolated gate driver from the Si823x series, manufactured by Skyworks Solutions. It features a 16-SOIC narrow package and supports high-side and low-side configurations. Key electrical parameters include a maximum propagation delay of 45 ns, rise and fall times of 12 ns each, and an output current capability of 4 A. The device operates with an input voltage range of 4.5 V to 5.5 V and delivers a 5 V output. It provides 3.75 kVrms insulation voltage and functions within a temperature range of -40°C to +125°C, with a power dissipation rating of 1.2 W.

Isolators - Gate Drivers Feature Summary

• High electromagnetic immunity for reliable operation in noisy environments
• Automotive-grade qualification for robust performance standards
• Capacitive coupling technology enabling galvanic isolation

Isolators - Gate Drivers Applications

• Inverter systems
• Motor drive circuits
• Industrial automation control

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing. Confirm the automotive grade designation matches project requirements. Check datasheet for humidity sensitivity handling procedures during assembly. Ensure the 16-SOIC footprint aligns with PCB layout constraints before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring dual-channel isolation with high peak output current. The 4 A drive strength suits medium-power switching devices. Verify that the 3.75 kVrms isolation barrier meets safety standards for the target application. Consider the 45 ns propagation delay for timing-sensitive control loops.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers. It utilizes Skyworks' CMOS-based digital isolation technology. The series offers alternatives to traditional optocouplers with improved speed and lower power consumption. The AC variant specifically denotes automotive qualification within this product line.

Isolators - Gate Drivers Replacement Considerations

Check SI8234BD-D-IS3 for similar isolation characteristics. Verify pin compatibility with existing designs when substituting.