SI86S663BB-AU

Digital Isolators Overview

The SI86S663BB-AU is a Skyworks Solutions automotive-grade digital isolator featuring six unidirectional channels in a 16-lead QSOP package. It utilizes capacitive coupling technology to provide 2500 Vrms isolation voltage with a minimum common-mode transient immunity of 150 kV/µs. The device supports data rates up to 150 Mbps and operates on supply voltages ranging from 2.25 V to 5.5 V. It exhibits a propagation delay of 42 ns and pulse width distortion of 2 ns, functioning reliably within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Six-channel unidirectional signal isolation using robust capacitive coupling architecture
• High-speed data transmission capability supporting 150 Mbps signaling rates
• Automotive qualification compliant with AEC-Q100 standards for reliability
• Integrated isolated power supply design enabling independent circuit domains

Digital Isolators Applications

• Automotive electronic control units requiring galvanic isolation
• Industrial communication interfaces such as CAN and LIN bus systems
• Motor drive circuits necessitating high-voltage protection
• Power conversion systems with isolated gate driver feedback loops

Digital Isolators Procurement Notes

Verify the specific suffix designation against official Skyworks documentation to confirm package type and tape-and-reel configuration. Ensure the component meets AEC-Q100 requirements for your target application environment. Cross-reference datasheet revisions to validate electrical parameters before finalizing procurement specifications.

Digital Isolators Selection Notes

Select this component when six isolated channels are required for unidirectional signal transmission in automotive or industrial settings. The 150 kV/µs CMTI rating makes it suitable for noisy environments with rapid voltage transitions. Consider the 16-lead QSOP footprint for PCB layout constraints and verify operating voltage compatibility with the target logic levels.

Digital Isolators Part Context

This part belongs to the SI86S6x series of automotive digital isolators from Skyworks Solutions. The series emphasizes high reliability and low power consumption for demanding applications. The SI86S663 variant specifically provides six channels, distinguishing it from lower channel count models within the same family while maintaining consistent isolation performance metrics.

Digital Isolators Replacement Considerations

SI86S663EB-AU

Digital Isolators FAQ

What is the maximum common-mode transient immunity (CMTI) of the SI86S663BB-AU?

The device guarantees a minimum common-mode transient immunity of 150 kV/µs.

Is the SI86S663BB-AU qualified for automotive applications?

Yes, the component is AEC-Q100 qualified for automotive use.

What is the typical propagation delay for this isolator?

The propagation delay is specified at 42 ns.