SI86SS51BC-AS1

Digital Isolators Overview

The SI86SS51BC-AS1 is a Skyworks Solutions automotive-grade digital isolator featuring six channels with capacitive coupling technology. It provides an insulation voltage of 3750 Vrms and supports data rates up to 150 Mb/s. The device operates within a supply voltage range of 2.25 V to 5.5 V, drawing a typical operating current of 7.9 mA. It exhibits a propagation delay of 9 ns and offers common mode transient immunity of 150 kV/µs. Packaged in a 16-pin SOIC, it functions reliably across temperatures from -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates SPI-compatible isolation architecture with integrated reset functionality for robust system control
• Employs advanced capacitive coupling technology to ensure high-speed signal transmission with superior noise rejection
• Delivers high common-mode transient immunity suitable for electrically noisy automotive environments

Digital Isolators Applications

• Automotive sensor interface circuits requiring isolated SPI communication
• Inverter gate drive systems demanding high-speed isolation
• Motor control applications utilizing isolated feedback loops
• On-board charger (OBC) monitoring interfaces

Digital Isolators Procurement Notes

Verify the specific suffix designation against official Skyworks documentation to confirm pinout compatibility and functional specifications. Ensure that the selected variant meets the required insulation ratings and thermal performance standards for the target application environment. Cross-reference the manufacturer's latest datasheet to validate any revisions or updates to the component's electrical characteristics before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component when designing systems requiring isolated SPI communication with integrated reset capabilities. Consider its high common-mode transient immunity for environments with significant electrical noise. Evaluate the power consumption requirements against the specified operating current to ensure efficient energy usage. Confirm that the package dimensions align with the available PCB space constraints.

Digital Isolators Part Context

This part belongs to the Si86SS5x family of digital isolators designed specifically for automotive applications. The series combines high-speed isolation with specialized features like reset functionality to enhance system reliability. These devices are engineered to meet stringent automotive quality standards while providing robust signal integrity across isolated boundaries.

Digital Isolators Replacement Considerations

Consult official Skyworks substitution guides for verified alternatives. Direct replacements must maintain identical channel counts, insulation voltages, and package configurations.