SI82A43ACE-IS4R

Isolators - Gate Drivers Overview

The SI82A43ACE-IS4R is a single-channel isolated gate driver from Skyworks Solutions, designed for high-voltage power switching applications. It features a 6 kV isolation rating and delivers a 1 A output current capability. The device operates within a supply voltage range of 3 V to 20 V and supports both inverting and non-inverting configurations. Key electrical parameters include a maximum propagation delay of 31.4 ns, rise time of 8.3 ns, and fall time of 8.6 ns. It functions reliably across an extended temperature range from -40°C to +125°C with a typical quiescent current of 1.3 mA.

Isolators - Gate Drivers Feature Summary

• Provides robust 6 kV capacitive coupling isolation for safe signal transmission between low-voltage control circuits and high-voltage power stages.
• Delivers strong 1 A peak drive current to efficiently switch power MOSFETs and IGBTs with minimal distortion.
• Integrates a shutdown pin for precise control over the output state, enhancing system safety and fault management capabilities.

Isolators - Gate Drivers Applications

• Industrial motor drives and servo controllers
• Inverters and converters in renewable energy systems
• High-frequency switched-mode power supplies (SMPS)

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS4R indicates reel packaging when sourcing components. Confirm that the manufacturer designation matches Skyworks Solutions Inc. to ensure authenticity. Check datasheet revisions for any updates to electrical characteristics or mechanical dimensions prior to final design approval.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high common-mode transient immunity and fast switching speeds. Ensure the input logic levels are compatible with CMOS standards. Verify that the thermal performance of the SSO-8 package meets the requirements for the intended operating environment and duty cycle.

Isolators - Gate Drivers Part Context

This part belongs to the SI82 series of isolated gate drivers, which utilize capacitive technology for signal transmission. The series is engineered to replace traditional optocouplers, offering superior speed, reliability, and size efficiency. The SI82A43 variant specifically targets single-channel applications needing high isolation voltage and moderate drive strength.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other Skyworks SI82 series parts with similar isolation ratings and drive currents, such as SI82A40ACE-IS4R. Cross-reference pinouts and electrical specifications carefully to ensure compatibility with existing PCB layouts and circuit designs.