SI8941BD-AS4

Power Management - Specialized Overview

The SI8941BD-AS4 is an automotive-grade isolated Delta-Sigma modulator manufactured by Skyworks Solutions. It operates within a supply voltage range of 3 V to 5.5 V with a typical quiescent current of 6.9 mA. The device supports high-side or low-side sensing configurations and functions across an extended temperature range from -40 °C to +125 °C. Designed for surface-mount installation, it provides robust isolation capabilities suitable for demanding power monitoring applications in automotive environments.

Power Management - Specialized Feature Summary

• Automotive qualified isolated Delta-Sigma modulation architecture
• Supports flexible high-side or low-side current sensing topologies
• Low power consumption with typical 6.9 mA operating current

Power Management - Specialized Applications

• Automotive battery management systems
• Electric vehicle powertrain monitoring
• High-voltage current sensing in automotive inverters

Power Management - Specialized Procurement Notes

Verify the specific suffix AS4 against official Skyworks documentation to confirm package type and tape-and-reel configuration. Ensure compatibility with automotive qualification standards required for your specific application environment before finalizing procurement decisions.

Power Management - Specialized Selection Notes

Select this component when automotive reliability and galvanic isolation are critical requirements. Compare against other Si8941 variants based on required isolation voltage levels and specific packaging constraints for your PCB layout design.

Power Management - Specialized Part Context

This part belongs to the Si8941 series of isolated Delta-Sigma modulators designed specifically for automotive power electronics. It integrates precision analog-to-digital conversion with digital isolation technology to enable accurate current measurement in noisy electrical environments.

Power Management - Specialized Replacement Considerations

Consult official Skyworks substitution guides for verified alternatives. Cross-reference pinouts and isolation ratings carefully when considering equivalent parts from other manufacturers.