SI82390AB-IS1

Isolators - Gate Drivers Overview

The SI82390AB-IS1 is a dual isolated gate driver from Skyworks Solutions, featuring capacitive coupling technology for galvanic isolation. It provides two independent drivers within a single package, supporting up to 5 kVRMS isolation voltage and a peak differential voltage of 1500 VDC. The device delivers a 4 A output current capability and operates with a 6 V undervoltage lockout (UVLO). It is housed in a narrow SOIC-16 package and is qualified under the AEC-Q100 standard for automotive applications.

Isolators - Gate Drivers Feature Summary

• Integrates two isolated gate drivers into a single compact package
• Utilizes capacitive coupling for high-reliability galvanic isolation
• Supports high common-mode transient immunity via digital isolation
• Automotive-grade qualification ensures reliability in harsh environments

Isolators - Gate Drivers Applications

• Isolated power supply control circuits
• Motor drive systems requiring high dv/dt immunity
• Industrial inverters and converters
• Automotive electric vehicle charging systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1 against the datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the ordering part number includes the correct temperature grade and packaging option. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory for the final assembly.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are required in space-constrained designs. The dual-channel configuration simplifies layout for half-bridge or full-bridge topologies. Consider the 4 A peak drive current for driving medium-power MOSFETs or IGBTs without external amplification.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated drivers, which leverages Skyworks' proprietary capacitive isolation technology. This family is designed to replace traditional magnetic isolators, offering superior performance in terms of speed, size, and reliability for modern power electronics applications.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si8239x series, such as variants with different UVLO thresholds or isolation ratings. Verify pin-to-pin compatibility before replacing legacy magnetic isolators or other capacitive driver families.