SI86SQ44EE-IS2R

Digital Isolators Overview

The SI86SQ44EE-IS2R is a Skyworks digital isolator featuring four reversible channels with a maximum data rate of 150 Mbps. It provides an isolation voltage of 6.0 kVrms and supports QSPI compatibility. The device operates within a supply voltage range of 2.7 V to 5.5 V, consuming up to 9.4 mA. It exhibits a propagation delay of 13 ns and a common-mode transient immunity of 100 kV/µs. The component functions reliably between -40°C and +125°C, housed in a 16-SOIC package.

Digital Isolators Feature Summary

• Supports reversible channel configuration for flexible bidirectional or unidirectional signal routing.
• Provides high common-mode transient immunity of 100 kV/µs for robust noise rejection.
• Features QSPI-compatible architecture suitable for high-speed serial communication interfaces.

Digital Isolators Applications

• Industrial automation control systems
• Power electronics gate driving
• Medical equipment signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'IS2R' indicates tape-and-reel packaging rather than tube. Confirm the manufacturer's current datasheet revision matches the required electrical specifications. Ensure the supplier is an authorized distributor to guarantee component authenticity and traceability. Check for RoHS compliance status if environmental regulations apply to the end product.

Digital Isolators Selection Notes

Select this part when high isolation voltage and fast switching speeds are critical. The reversible channel feature simplifies PCB layout for bidirectional data lines. Consider the 100 kV/µs CMTI rating for environments with rapid voltage transients. Evaluate power consumption against system thermal constraints given the 9.4 mA maximum draw.

Digital Isolators Part Context

This component belongs to the Si86SQxx family of automotive-grade digital isolators. It utilizes Skyworks capacitive isolation technology to provide galvanic separation. The series is designed for applications requiring high reliability and long-term stability in harsh electrical environments.

Digital Isolators Replacement Considerations

Direct substitutes include other Skyworks parts from the Si86SQ4x series with matching channel counts and isolation ratings. Verify pinout compatibility before swapping. Generic replacements may lack the specific QSPI compatibility or reversible channel functionality.

Digital Isolators FAQ

What is the common-mode transient immunity rating?

The SI86SQ44EE-IS2R has a common-mode transient immunity (CMTI) of 100 kV/µs.

Is the channel direction fixed?

No, the channels are reversible, allowing them to be configured as either unidirectional or bidirectional.