SI8275BB-AS1

Isolators - Gate Drivers Overview

The SI8275BB-AS1 is a dual-channel, galvanically isolated gate driver from the Si827x family, manufactured by Skyworks Solutions. It features an SOIC-16 surface-mount package and supports TTL logic inputs with a supply voltage range of 2.5 V to 5.5 V. The device provides high-speed switching with a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It offers 2.5 kVrms isolation voltage and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a peak output current of 4 A, working supply current of 10 mA, and power dissipation of 1.2 W.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity for reliable operation in noisy environments
• Automotive-grade qualification ensuring durability under harsh conditions
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor drive control circuits
• Industrial inverter 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 quality standards required for the target application. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm lead times and availability status directly with the supplier before finalizing procurement plans.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and automotive reliability are required. Compare channel count and package size against system constraints. Evaluate propagation delay and skew requirements for signal integrity. Consider thermal performance and power dissipation limits during layout design. Verify input logic compatibility with the controlling microcontroller or FPGA.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of ISOdrivers, designed for high-performance isolated gate driving. The series utilizes RF coupling technology to provide robust galvanic isolation. The SI8275 variant specifically offers dual channels with high peak output current capabilities. It is engineered for demanding applications requiring fast switching speeds and high noise immunity.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-to-pin replacements within the Si827x family. Verify that alternative parts match the 2.5 kVrms isolation rating and automotive qualification. Ensure equivalent propagation delay and output current specifications are met.