SI86SQ44EB-IU

Digital Isolators Overview

The SI86SQ44EB-IU is a Skyworks Solutions digital isolator featuring four channels with unidirectional signal paths. It utilizes capacitive coupling technology to provide 2500 Vrms isolation voltage. The device supports data rates up to 150 Mbps and offers a common-mode transient immunity of 100 kV/µs. Operating within a supply voltage range of 2.25 V to 5.5 V, it ensures reliable performance across an industrial temperature range from -40°C to +125°C. Packaged in a QSOP-16 format, this component is designed for high-speed serial communication applications requiring robust galvanic isolation.

Digital Isolators Feature Summary

• Capacitive coupling technology for high-speed signal transmission
• AEC-Q100 qualified for automotive reliability standards
• QSPI compatible interface design
• Integrated shutdown mode for power management

Digital Isolators Applications

• Automotive electronic control units (ECUs)
• Industrial motor drives and inverters
• High-speed serial communication interfaces
• Power supply monitoring systems

Digital Isolators Procurement Notes

Verify the specific suffix 'IU' against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compatibility with AEC-Q100 requirements if used in automotive contexts. Cross-reference datasheet revisions to confirm pinout consistency. Validate insulation voltage ratings against system safety standards before integration.

Digital Isolators Selection Notes

Select this component when high-speed data transfer is required alongside significant voltage isolation barriers. The 150 Mbps rate suits complex serial protocols. Consider the QSOP-16 footprint for board space constraints. Verify thermal dissipation capabilities given the operating temperature range. Evaluate CMTI requirements to ensure noise immunity matches the application environment.

Digital Isolators Part Context

This part belongs to the Si86SQxx family of automotive-grade digital isolators. It is engineered specifically for QSPI and similar high-speed serial interfaces. The family emphasizes low propagation delay and high common-mode transient immunity. It complements other Skyworks isolation solutions by offering specialized features for automotive and industrial connectivity.

Digital Isolators Replacement Considerations

SI86SQ44BB-AU

Digital Isolators FAQ

What is the maximum data rate supported by this isolator?

The SI86SQ44EB-IU supports data rates up to 150 Mbps.

Is this component suitable for automotive applications?

Yes, it is AEC-Q100 qualified for automotive use.

What type of isolation technology does it use?

It uses capacitive coupling technology for signal transmission.