SI82391CD-AS3R

Isolators - Gate Drivers Overview

The SI82391CD-AS3R is a dual-channel, galvanically isolated gate driver from the Si8239x series by Skyworks Solutions. It features capacitive coupling for signal transmission and provides an isolation voltage of 3250 Vrms. The device operates within a temperature range of -40°C to +125°C and supports input voltages between 2.5 V and 5.5 V. It delivers a peak output current of 4 A with a maximum propagation delay of 40 ns. The rise and fall times are both 12 ns, and it dissipates up to 2.1 W of power. Packaged in a 14-SOIC format, it is designed for automotive applications requiring high electromagnetic immunity.

Isolators - Gate Drivers Feature Summary

• Combines two isolated drivers in a single package for high-power applications
• Provides galvanic isolation via capacitive coupling technology
• Designed for automotive environments with high electromagnetic immunity

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• High-power motor control applications
• Industrial inverters and converters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS3R indicates reel packaging when sourcing. Confirm the 3250 Vrms isolation rating matches system requirements rather than the 2500 Vrms variant. Ensure compatibility with the SI8239XISO-KIT development tools if evaluation is needed. Check RoHS compliance details through official Skyworks documentation before finalizing procurement decisions.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation exceeding 3 kV is required for automotive-grade designs. The 14-SOIC package suits space-constrained layouts compared to wider variants. Consider the 4 A drive strength for medium-power switching devices. Verify that the non-inverting logic configuration aligns with the control interface requirements of the target application circuit.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers. It shares core specifications with the SI82391CD-AS but differs in packaging format. The AS3R suffix typically denotes tape-and-reel delivery suitable for automated assembly processes. It complements other Skyworks isolators by offering integrated dual-driver functionality in a compact form factor.

Isolators - Gate Drivers Replacement Considerations

The SI82391BD-AS3R serves as a related variant within the same family. Note that the BD version may differ in isolation voltage or pinout configuration. Verify pin-to-pin compatibility and electrical parameters before substituting. Consult official datasheets to confirm functional equivalence for the specific design constraints.