SI8271GBD-AS

Isolators - Gate Drivers Overview

The SI8271GBD-AS is a single-channel, automotive-grade current-isolated gate driver from Skyworks Solutions. It utilizes silicon isolation technology to provide 2.5 kVrms isolation voltage with high common-mode transient immunity (CMTI). The device features a 3 V output supply and accepts TTL logic inputs within a 2.5 V to 5.5 V range. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It operates over an extended temperature range of -40°C to +125°C and is housed in an SOIC-8 surface-mount package.

Isolators - Gate Drivers Feature Summary

• Automotive-grade qualification for high reliability applications
• High common-mode transient immunity for noise resilience
• Integrated deglitching functionality to filter input spikes
• Programmable dead-time control for precise switching

Isolators - Gate Drivers Applications

• Switched-mode power supplies
• Solar inverters
• Motor control systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS' against the manufacturer's official datasheet to confirm it denotes the correct automotive grade and packaging configuration. Ensure that the selected variant matches the required isolation voltage and thermal specifications for the target application environment. Cross-reference the RoHS compliance status and lead-free status as indicated in the official component documentation before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when driving power switches in environments requiring high CMTI and automotive reliability. The single-channel configuration suits simple high-side or low-side drive topologies. Consider the 3 V output level compatibility with the target gate driver requirements. Verify that the SOIC-8 package fits the PCB layout constraints and that the operating temperature range meets the system's thermal demands.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x family of isolators designed for driving power switches in power supply, inverter, and motor control applications. The family offers various configurations including single, dual, and high-side/low-side drivers. The SI8271GBD-AS specifically provides a single input and single driver option with separate pull-up/down capabilities, leveraging silicon-based isolation for robust performance.

Isolators - Gate Drivers Replacement Considerations

Consult official Skyworks substitution guides for verified equivalents. Generic replacements may not match the specific automotive grade or CMTI ratings.