SI8651BC-AS1

Digital Isolators Overview

The SI8651BC-AS1 is a unidirectional automotive digital isolator from the Si865x series, manufactured by Skyworks Solutions. It features five forward channels with no reverse channels, utilizing capacitive coupling for signal isolation. The device operates within a supply voltage range of 2.5 V to 5.5 V and supports data rates up to 150 Mb/s. Key electrical parameters include an insulation voltage of 3750 Vrms, a propagation delay of 8 ns, and a typical operating current of 7 mA. It is housed in a SOIC-16 package and is qualified under AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Provides high-speed digital isolation with a 150 Mb/s data rate capability across five independent channels.
• Features robust capacitive coupling technology ensuring reliable signal transmission with low pulse width distortion.
• Designed for automotive environments with AEC-Q100 qualification and extended temperature operation capabilities.

Digital Isolators Applications

• Automotive telematics systems requiring isolated communication interfaces
• Advanced Driver Assistance Systems (ADAS) sensor isolation
• In-vehicle network gateways and controller area network (CAN) transceivers
• Industrial automation control modules

Digital Isolators Procurement Notes

Verify the specific suffix AS1 against the manufacturer's official datasheet to confirm pinout compatibility and packaging type. Ensure the component meets AEC-Q100 requirements for your target automotive application. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Digital Isolators Selection Notes

Select this component when five unidirectional isolated channels are required for high-speed data transmission in automotive or industrial settings. Consider the 150 Mb/s speed and 3750 Vrms isolation rating as primary differentiators. Evaluate power consumption at 7 mA against system constraints and ensure the SOIC-16 package fits the PCB layout requirements.

Digital Isolators Part Context

This device belongs to the Si865x family of digital isolators, which are designed for high-reliability applications. The family offers various channel configurations and isolation voltages, catering to diverse interface needs in automotive and industrial sectors while maintaining low power consumption and high noise immunity through capacitive coupling technology.

Digital Isolators Replacement Considerations

Check for SI8651BC-B-IS1 if higher isolation voltage is needed, though it differs in packaging. Verify SI8650BC-AS1 for similar performance but confirm channel directionality matches design needs. Always consult official substitution guides for pin-to-pin compatibility and electrical parameter equivalence.