SI88322BC-ASR

Digital Isolators Overview

The SI88322BC-ASR is a general-purpose digital isolator from Skyworks Solutions, designed for automotive applications. It features two independent channels with unidirectional signal transmission. The device provides an isolation voltage of 5000 Vrms and supports data rates up to 100 Mbps. Key electrical parameters include a typical propagation delay of 17.5 ns and a common-mode transient immunity of 40 kV/µs. It operates within a supply voltage range of 3 V to 5.5 V and functions across an extended temperature range of -40°C to +125°C. The component is housed in a 20-SOIC package.

Digital Isolators Feature Summary

• Provides robust galvanic isolation between circuits using capacitive coupling technology.
• Ensures high-speed data integrity with low propagation delay and jitter.
• Delivers superior noise immunity against fast-changing voltage transients.
• Complies with automotive reliability standards for harsh environment operation.

Digital Isolators Applications

• Automotive powertrain control systems
• Electric vehicle battery management systems
• Industrial motor drive interfaces
• High-voltage measurement equipment

Digital Isolators Procurement Notes

Verify the specific suffix ASR corresponds to the reel packaging configuration required for your assembly line. Confirm that the AEC-Q100 qualification status meets your automotive grade requirements. Ensure the 20-SOIC footprint matches your PCB design constraints. Check for any recent product change notices regarding material or manufacturing site updates before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when bidirectional isolation is not required due to its unidirectional channel architecture. Consider the 5000 Vrms isolation rating for safety-critical applications. Evaluate the 100 Mbps data rate capability against system timing requirements. The wide operating temperature range makes it suitable for environments exceeding standard commercial limits.

Digital Isolators Part Context

This part belongs to the Si88x2x series of digital isolators from Skyworks Solutions. The series utilizes proprietary capacitive isolation technology to provide reliable signal transmission across isolation barriers. These devices are engineered to replace traditional optocouplers in modern electronic designs, offering improved performance and longevity.

Digital Isolators Replacement Considerations

SI88322ED-ISR is listed as a substitute option within the same manufacturer portfolio. Verify pin compatibility and parameter equivalence before implementation.