SI8234AD-AS

Isolators - Gate Drivers Overview

The SI8234AD-AS is a galvanically isolated gate driver from the Si823x series, manufactured by Skyworks Solutions Inc. It features a dual-channel configuration with high-side and low-side outputs, packaged in a 16-pin SOIC-Wide (SOIC-16) surface-mount device. The component provides an isolation voltage of 5 kVrms and operates within a temperature range of -40°C to +125°C. It supports a supply voltage between 4.5 V and 5.5 V, delivering a peak output current of 4 A. Key electrical parameters include a maximum propagation delay of 45 ns, rise and fall times of 12 ns, and a power dissipation rating of 1.2 W.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation via capacitive coupling technology for noise immunity
• Configured as a half-bridge driver suitable for IGBT and MOSFET applications
• Engineered for high electromagnetic immunity to withstand harsh environments

Isolators - Gate Drivers Applications

• Industrial motor drives
• Inverter systems
• Power supply circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS' against the manufacturer's official documentation to confirm package type and tape/reel specifications. Ensure compatibility with the required isolation voltage class and operating temperature range for the target application environment before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when a robust 5 kVrms isolated driver is required for half-bridge topologies. Consider the 4 A peak current capability and 12 ns switching speeds for efficient power management. Verify that the SOIC-16 footprint fits the PCB layout constraints and that the thermal performance meets the system's heat dissipation requirements.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers, which utilize Skyworks' proprietary capacitive isolation technology. The family offers various isolation ratings and channel configurations to support diverse power electronics designs, ranging from industrial automation to automotive systems.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si823x series or other Skyworks isolated driver families that match the 5 kVrms isolation and 16-pin SOIC package. Ensure any replacement maintains the same pinout and electrical characteristics to avoid redesigning the host circuit.