SI8271GA-AS

Isolators - Gate Drivers Overview

The SI8271GA-AS is a single-channel, galvanically isolated gate driver from Skyworks Solutions. It utilizes silicon isolation technology to provide 1 kVrms insulation voltage. The device features a maximum propagation delay of 75 ns, with rise and fall times of 16 ns and 18 ns respectively. It operates within a temperature range of -40°C to +125°C and dissipates up to 1.1 W of power. Packaged in an 8-SOIC format, it supports surface mount installation.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation between input and output circuits
• Capable of driving power switches with high transient immunity
• Features low latency for precise timing control

Isolators - Gate Drivers Applications

• Switch-mode power supplies
• Motor control systems
• Industrial inverters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm tape-and-reel packaging and lead-free status. Ensure the selected variant matches the required isolation voltage rating of 1 kVrms for the target application safety standards. Cross-reference the 8-SOIC package dimensions with PCB footprint requirements before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with 1 kVrms isolation is required. Consider the 75 ns propagation delay and 4 A peak output current capabilities for driving MOSFETs or IGBTs. Evaluate the -40°C to +125°C operating range against environmental conditions. Compare against higher isolation variants like the SI8271BBD if 2.5 kVrms is needed.

Isolators - Gate Drivers Part Context

The SI8271GA-AS belongs to the Si827x family of digital isolators. This series leverages Skyworks' proprietary silicon isolation technology, offering superior performance over traditional optical couplers. The family includes variants with different isolation ratings and channel counts, providing flexibility for various industrial and automotive applications requiring reliable signal transmission across isolation barriers.

Isolators - Gate Drivers Replacement Considerations

Direct replacements include other SI8271 variants such as SI8271GA-IS for tube packaging or SI8271BBD-ASR for higher 2.5 kVrms isolation. Verify pin compatibility and electrical parameters when substituting. Consult Skyworks documentation for any functional differences between suffixes.