SI8273GAD-AM1R

Isolators - Gate Drivers Overview

The SI8273GAD-AM1R is a digital isolated gate driver from Skyworks Solutions, utilizing RF coupling technology for high-speed signal transmission. It features a single channel with high-side and low-side configuration in a 14-QFN (5x5) package. Key electrical parameters include an isolation voltage of 1000Vrms, maximum propagation delay of 75ns, rise time of 16ns, and fall time of 18ns. The device supports output supply voltages from 4.2V to 30V, with peak output currents of 1.8A and 4A. It operates within a temperature range of -40°C to +125°C and meets AEC-Q100 automotive qualification standards.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity for reliable operation in noisy environments
• Integrated UVLO for robust power sequencing and protection
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverter drives
• Power supply gate driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AM1R against current Skyworks documentation to confirm packaging and revision status. Check for end-of-life notices or alternative part recommendations due to potential supply chain changes. Ensure compatibility with existing PCB footprints and thermal requirements before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are required for single-channel applications. Consider the 14-QFN package size for space-constrained designs. Verify that the 1000Vrms isolation rating meets system safety requirements. Evaluate the 4A peak drive capability against the target switch's gate charge requirements.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x family of isolated gate drivers, designed for high-performance power management. It complements other variants like the SI8273GA-IM1 and SI8275GBD-IM1R by offering specific packaging and insulation ratings tailored for automotive and industrial markets.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks official substitution lists for direct pin-compatible alternatives. Verify if newer revisions of the Si8273 series offer improved availability or updated specifications.