SI8651EB-AU

Digital Isolators Overview

The SI8651EB-AU is a Skyworks Solutions automotive-grade digital isolator featuring five channels with unidirectional signal paths. It utilizes capacitive coupling technology to provide an insulation voltage of 2500 Vrms. The device supports data rates up to 150 Mb/s and operates within a supply voltage range of 2.5 V to 5.5 V. Key electrical parameters include a propagation delay of 8 ns, rise and fall times of 4 ns, and a typical operating supply current of 6.6 mA. It is housed in a QSOP-16 package and functions reliably across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification for reliable operation in vehicle environments
• Capacitive coupling isolation technology providing high common-mode transient immunity
• Five-channel configuration supporting four forward and one reverse signal path

Digital Isolators Applications

• Automotive powertrain control systems
• Electric vehicle battery management systems
• Inverter gate drive circuits
• On-board charging infrastructure interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'AU' corresponds to the QSOP-16 package variant when sourcing. Confirm that the component meets AEC-Q100 automotive reliability standards required for your application. Ensure compatibility with the 2.5 V to 5.5 V supply voltage range during integration. Check for moisture sensitivity levels and appropriate handling procedures during assembly.

Digital Isolators Selection Notes

Select this component for applications requiring five isolated channels with unidirectional data flow. It is suitable for designs needing 2500 Vrms isolation between circuit domains. Consider the 150 Mb/s data rate capability for high-speed communication needs. Evaluate the low power consumption characteristics against thermal constraints in dense packaging environments.

Digital Isolators Part Context

This part belongs to the Si865x series of automotive digital isolators from Skyworks Solutions. The series leverages a dedicated automotive process to ensure robust performance under harsh conditions. It complements other variants in the family that may offer different channel counts or higher isolation voltages.

Digital Isolators Replacement Considerations

SI8651BB-AU offers identical electrical specifications and pinout but features a different internal channel configuration.