SI88640BC-ASR

Isolators - Gate Drivers Overview

The SI88640BC-ASR is a unidirectional digital isolator from the Si88640 series, manufactured by Skyworks Solutions. It features four independent channels housed in an SOIC-24 surface-mount package. The device supports data rates up to 100 Mb/s with a propagation delay of 18 ns and rise/fall times of 25 ns. It operates on a supply voltage between 3 V and 5.5 V, offering an insulation voltage of 5000 Vrms. The component functions within a temperature range of -40°C to +125°C and includes no shutdown control.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation for four independent signal paths using capacitive coupling technology.
• Supports high-speed digital communication with a maximum data rate of 100 Mb/s.
• Ensures safety compliance through a high insulation voltage rating of 5000 Vrms.
• Operates reliably across an extended industrial temperature range without requiring external shutdown controls.

Isolators - Gate Drivers Applications

• Industrial automation systems requiring isolated sensor interfaces
• Power electronics gate drive circuits
• Medical equipment signal isolation
• Inverter and motor control applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix ASR indicates reel packaging when ordering. Confirm that the SOIC-24 footprint matches your PCB design constraints. Ensure compatibility with the required 3 V to 5.5 V supply rails. Check for moisture sensitivity level requirements during storage and handling. Validate that the unidirectional channel configuration meets your system's signal flow needs.

Isolators - Gate Drivers Selection Notes

Select this part for applications requiring four-channel unidirectional isolation with high voltage withstand capabilities. Compare against the SI88640EC-ASR if lower insulation ratings are acceptable. Consider the SI88640BD-ASR variant if different pinout or performance specifications are needed. Ensure the 100 Mb/s data rate suffices for your communication protocol. Verify thermal management requirements for operation at temperatures up to 125°C.

Isolators - Gate Drivers Part Context

This component belongs to the Skyworks Si88640 family of digital isolators. These devices integrate capacitive isolation technology to provide robust signal transmission across isolation barriers. The family offers various channel counts and packaging options to suit diverse interface requirements in industrial and consumer electronics.

Isolators - Gate Drivers Replacement Considerations

SI88640BC-AS is a tube-packaged alternative with identical electrical characteristics. SI88640EC-ASR offers similar functionality but with a lower insulation voltage rating. SI88640BD-ASR provides comparable performance in a potentially different pin configuration. Verify pin-to-pin compatibility before substituting any of these variants.