SI82A40AGC-ISR

Isolators - Gate Drivers Overview

The SI82A40AGC-ISR is a single-channel isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It provides a peak output current of 1 A and supports an operating supply voltage range of 5 V to 30 V. The device offers a high isolation voltage rating of 3750 Vrms and features a maximum propagation delay of 31.4 ns. It includes both inverting and non-inverting configurations with a shutdown function. The component operates within a temperature range of -40°C to +125°C and is housed in an 8-SOIC surface-mount package.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology enables high-speed digital isolation without optical components
• Single-channel design with independent inverting and non-inverting output options
• Integrated shutdown control for safe power stage management
• High common-mode transient immunity ensures reliable operation in noisy environments

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Switched-mode power supplies (SMPS)
• Isolated FET and IGBT gate driving
• Solid-state relay drivers

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'ISR' corresponds to the reel packaging configuration as indicated by distributor listings. Confirm that the 3750 Vrms isolation rating aligns with system safety requirements. Ensure the 8-SOIC footprint matches the PCB layout constraints. Validate that the CMOS logic interface is compatible with the controlling microcontroller or FPGA levels.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel solution with 3750 Vrms isolation is required. The 1 A peak drive current suits medium-power applications. Consider the 31.4 ns propagation delay for timing-sensitive designs. The wide supply voltage range accommodates various gate drive voltages. The SOIC-8 package offers a compact form factor for space-constrained boards.

Isolators - Gate Drivers Part Context

This part belongs to the SI82Ax series of isolated gate drivers from Skyworks Solutions. The series leverages advanced CMOS processes to replace traditional optocouplers. These drivers provide enhanced reliability, lower power consumption, and smaller size. The SI82A40 variant specifically targets applications requiring robust isolation between control and power stages.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include other Skyworks SI82A40 variants such as SI82A40BBC-ISR or SI82A40AEE-IS4R, which share similar electrical characteristics but may differ in isolation voltage ratings or package types. Verify pinout compatibility before substitution.