SI8275DBD-AS1R

Isolators - Gate Drivers Overview

The SI8275DBD-AS1R is a dual-channel, automotive-grade, galvanically isolated gate driver manufactured by Skyworks Solutions. It utilizes radio frequency (RF) coupling technology to provide high-speed signal transmission with low latency and skew. The device features a SOIC-16 surface-mount package and operates within an extended temperature range of -40°C to +125°C. Key electrical specifications 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, delivers up to 4 mA output current, and provides 2.5 kVrms isolation voltage.

Isolators - Gate Drivers Feature Summary

• Automotive-grade qualification for high reliability in vehicle applications
• High common-mode transient immunity (CMTI) for noise resilience
• Low latency and minimal channel-to-channel skew for precise timing
• Integrated undervoltage lockout (UVLO) for safe operation

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor control circuits
• Inverter drive applications
• Industrial motor drives

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R against the official Skyworks datasheet to confirm packaging configuration and tape-and-reel specifications. Ensure that the SOIC-16 footprint matches the target PCB design guidelines. Confirm AEC-Q100 compliance requirements are met for the intended automotive application environment before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation with low skew is required for dual-channel gate driving in automotive environments. The RF coupling technology offers superior performance compared to traditional optical isolators. Consider the 2.5 kVrms isolation rating and wide operating temperature range for robust system design in demanding thermal conditions.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x family of isolated gate drivers from Skyworks Solutions. The family leverages silicon-based RF coupling technology to replace legacy optocouplers. The SI8275 variant specifically targets automotive applications requiring high CMTI and fast switching speeds. It serves as a modern alternative to traditional magnetic or optical isolation solutions.

Isolators - Gate Drivers Replacement Considerations

Direct cross-reference data is not provided in the source material. Verify pinout compatibility and isolation ratings if substituting with other Skyworks Si827x variants or competitor automotive gate drivers.