SI8274AB1-AS1

Isolators - Gate Drivers Overview

The SI8274AB1-AS1 is a single-channel automotive-grade current-isolated gate driver from Skyworks Solutions. It features high common-mode transient immunity and an integrated under-voltage lockout (UVLO). The device operates within a supply voltage range of 2.5 V to 5.5 V on the input side and supports output voltages up to 30 V. Key electrical parameters include a maximum propagation delay of 105 ns, rise time of 16 ns, and fall time of 18 ns. It provides a peak output current of 4 A and consumes 10 mA of quiescent current. The component is rated for operation between -40°C and +125°C and offers 2.5 kVrms isolation.

Isolators - Gate Drivers Feature Summary

• Automotive-grade qualification ensuring reliability in harsh environments
• High common-mode transient immunity for noise-resistant signal transmission
• Integrated under-voltage lockout mechanism for stable operation
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor drive control circuits
• Inverter gate driving applications
• High-speed isolated switching interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 confirms automotive grade and SOIC-16 packaging. Ensure compatibility with required isolation standards and thermal management needs. Confirm availability status as distribution may vary by region. Cross-reference datasheet revisions for any parameter updates before finalizing procurement specifications.

Isolators - Gate Drivers Selection Notes

Select this component when automotive certification and high CMTI are mandatory requirements. Consider the single-channel configuration for cost-sensitive or space-constrained designs. Evaluate the 4 A peak drive capability against load requirements. Compare propagation delays with system timing budgets to ensure adequate performance margins.

Isolators - Gate Drivers Part Context

Part of the Si8274 series focusing on automotive isolated gate drivers. Designed to replace traditional optocouplers with superior speed and reliability. Utilizes Skyworks' proprietary RF coupling technology for galvanic isolation. Targets applications requiring robust performance in electric vehicles and industrial automation.

Isolators - Gate Drivers Replacement Considerations

Check for direct pin-compatible alternatives within the Si827x family. Verify if non-automotive variants meet environmental constraints. Assess functional equivalence regarding drive strength and isolation voltage ratings before substitution.