SI82391CD-AS3

Isolators - Gate Drivers Overview

The SI82391CD-AS3 is a dual isolated gate driver from the Si8239x series, designed for automotive applications. It features two non-inverting channels with a propagation delay of up to 40 ns and rise/fall times of 12 ns. The device operates within an input voltage range of 2.5 V to 5.5 V and delivers a peak output current of 4 A at 12 V. It provides 3250 Vrms isolation voltage and functions between -40°C and +125°C. Power dissipation is rated at 2.1 W, with supply currents of 7.2 mA.

Isolators - Gate Drivers Feature Summary

• Automotive-grade design with high electromagnetic immunity
• Galvanic isolation via capacitive coupling technology
• Integrated undervoltage lockout (UVLO) functionality

Isolators - Gate Drivers Applications

• Automotive power electronics control
• Motor drive systems
• Inverter bridge driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS3' against official Skyworks documentation to confirm tube packaging and lead-free status. Ensure the part number matches the exact datasheet revision for the SOIC-Wide-14 package. Cross-reference electrical parameters such as isolation voltage and operating temperature range with the manufacturer's latest specification sheet before procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring robust galvanic isolation in automotive environments. The dual-channel configuration supports half-bridge or full-bridge topologies. Consider the 3250 Vrms isolation rating and wide operating temperature range when designing for harsh conditions. Verify compatibility with TTL logic inputs and required output drive strength.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers. It utilizes Skyworks' proprietary capacitive coupling technology for signal transmission across isolation barriers. The family offers various channel configurations and insulation ratings tailored for industrial and automotive power conversion needs.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks official substitution lists for compatible parts within the Si8239x series. Verify pinout compatibility and electrical parameter equivalence for any alternative candidates.