SI8231AC-AS1R

Isolators - Gate Drivers Overview

The SI8231AC-AS1R is a dual-channel, galvanically isolated gate driver from the Si823x series by Skyworks Solutions. It utilizes capacitive coupling technology to provide electrical isolation between input and output circuits. The device features a 16-SOIC 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 20 ns, and an output current capability of 500 mA. It operates within a temperature range of -40°C to +125°C and offers an insulation voltage of 3.75 kVrms.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology for high electromagnetic immunity
• Dual-channel configuration supporting high-side and low-side driving
• Automotive-grade qualification with AEC-Q100 certification

Isolators - Gate Drivers Applications

• Industrial motor drives
• Inverter systems
• Power supply gate control

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS1R' against the manufacturer's official datasheet to confirm pinout compatibility and packaging details. Ensure that the automotive grade requirements align with your system specifications. Cross-reference the part number with Skyworks documentation to validate active status and any recent product change notices before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high common-mode transient immunity is required. The capacitive coupling architecture provides superior noise rejection compared to magnetic alternatives. Consider the 16-SOIC footprint for PCB layout constraints. Verify that the 500 mA peak output current meets the gate charge requirements of the target power switches.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers. The family includes variants with different channel counts and isolation voltages. The SI8231AC-AS1R specifically denotes a dual-channel device with automotive qualification. It shares design principles with other members like the SI8230 and SI8233 but differs in specific electrical characteristics and package options.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other parts within the Si823x family such as the SI8231BD-D-IS1R, provided they meet the same isolation and performance criteria. Verify pin-to-pin compatibility and electrical specifications before substitution.