SI82A40ABC-IS

Isolators - Gate Drivers Overview

The SI82A40ABC-IS is a single-channel isolated gate driver from Skyworks Solutions, designed for high-performance power switching applications. It features capacitive coupling technology to provide electrical isolation with a rating of 3750Vrms. The device delivers a peak output current of 1A and supports supply voltages ranging from 3V to 20V on the driver side. Key electrical parameters include a maximum propagation delay of 31.4ns, rise time of 7.5ns, and fall time of 6.6ns. It operates within a temperature range of -40°C to +125°C and is housed in an 8-SOIC package.

Isolators - Gate Drivers Feature Summary

• Utilizes silicon dioxide (SiO2) capacitive coupling technology for robust signal isolation
• Supports both inverting and non-inverting logic configurations for flexible control
• Includes integrated shutdown functionality to disable outputs when not in use
• Complies with automotive reliability standards including AEC-Q100 qualification

Isolators - Gate Drivers Applications

• Motor drive inverters and controllers
• Industrial power supplies and converters
• Solar microinverter systems
• Battery management system (BMS) interfaces

Isolators - Gate Drivers Procurement Notes

Verify that the specific suffix 'ABC' corresponds to the required configuration and packaging format, as variations exist within the SI82 family. Confirm compliance with RoHS directives and moisture sensitivity levels prior to integration. Ensure that the 8-SOIC footprint matches the target PCB design constraints. Cross-reference the datasheet revision date to ensure alignment with current manufacturing specifications.

Isolators - Gate Drivers Selection Notes

Select this component when high common-mode transient immunity and low propagation delay are critical for system performance. The 1A peak current capability suits driving medium-power MOSFETs or IGBTs directly. Consider the operating temperature range if the application involves extreme environmental conditions. Verify that the input logic voltage levels are compatible with the controlling microcontroller or FPGA signals.

Isolators - Gate Drivers Part Context

This part belongs to the SI82xx series of isolated gate drivers, which leverage Skyworks' proprietary capacitive isolation architecture. Unlike optical isolators, this technology offers superior longevity and resistance to electromagnetic interference. The series is widely adopted in industrial and automotive sectors where reliable galvanic isolation is required between control and power stages.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other parts from the SI82xx family such as SI82A40AGC-IS or SI82A40BBC-ISR, depending on packaging and specific parameter tolerances. Ensure that any replacement maintains the same isolation voltage rating and output current capabilities. Verify pinout compatibility to avoid redesigning the printed circuit board layout.