SI8275DB-AS1

Isolators - Gate Drivers Overview

The SI8275DB-AS1 is a dual-channel automotive-grade isolated gate driver from Skyworks Solutions. It features high common-mode transient immunity and a 2.5 kVrms insulation voltage. The device operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It supports input voltages between 2.5 V and 5.5 V, with an output voltage of 12 V and peak output current of 4 mA. Power dissipation is rated at 1.2 W.

Isolators - Gate Drivers Feature Summary

• Automotive-grade design with high common-mode transient immunity
• Galvanic isolation via RF coupling technology
• Low latency and skew for precise timing control

Isolators - Gate Drivers Applications

• Motor control systems in electric vehicles
• Inverter gate drive circuits
• High-voltage power switching applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compatibility with automotive qualification standards required for the target application. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status through the latest datasheet revision.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high CMTI is required for automotive environments. Consider the 12 V output capability and 4 mA drive strength for driving MOSFETs or IGBTs. Evaluate the SOIC-16 package constraints against PCB layout requirements. Compare performance metrics against single-channel alternatives if only one isolated path is needed.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x family of isolated gate drivers. It utilizes Skyworks' proprietary RF coupling technology for signal transmission across the isolation barrier. The family includes variants with different channel counts and output configurations, all sharing similar automotive reliability and high-speed performance characteristics.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-compatible substitutes within the Si8275 series. Verify that alternative parts match the 2.5 kVrms isolation rating and automotive temperature range. Ensure equivalent propagation delay and drive current specifications are met.