SI82391AB-AS1R

Isolators - Gate Drivers Overview

The SI82391AB-AS1R is a dual-channel isolated gate driver from Skyworks Solutions, designed for automotive applications. It features 2500 Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device utilizes a 16-pin SOIC-Narrow package and supports non-inverting logic configuration. Key electrical parameters include a maximum propagation delay of 40 ns, rise and fall times of 12 ns each, and a power dissipation rating of 2 W. It is qualified under AEC-Q100 standards and accepts input voltages between 2.5 V and 5.5 V.

Isolators - Gate Drivers Feature Summary

• Provides high electromagnetic immunity suitable for industrial environments
• Offers robust galvanic isolation with 2500 Vrms capability
• Delivers fast switching performance with low propagation delay

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverter drives
• High-voltage power supply gating

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R corresponds to the Tape & Reel packaging format as indicated by distributor listings. Confirm that the 2500 Vrms isolation rating aligns with your system's safety requirements rather than higher-rated variants like the CD series. Ensure the SOIC-Narrow footprint matches your PCB layout constraints before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when automotive qualification (AEC-Q100) and moderate isolation levels are required. Compare against the SI82391CD series if higher insulation voltage or different UVLO thresholds are needed. Consider the SOIC-Narrow package size relative to available board space compared to the wider SOIC options found in other family members.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of digital isolator gate drivers. It shares core architectural similarities with other variants but differs in isolation ratings and packaging. The AB variant specifically targets applications requiring 2500 Vrms isolation, distinguishing it from the 5 kV rated CD and BD series models within the same product line.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include SI82391BB-IS1R for similar isolation and package types. For higher isolation needs, consider SI82391BD-ISR or SI82391CD-IS, noting differences in UVLO and package width.