SI8941BD-IS4R

Power Management - Specialized Overview

The SI8941BD-IS4R is a current and power monitor regulator from the Si8941 series, manufactured by Skyworks Solutions. It features a wide body SOIC-8 surface mount package with an insulation voltage of 5 kVrms. The device operates on a supply voltage ranging from 3 V to 5.5 V, drawing a typical operating supply current of 6.9 mA. It supports high or low side sensing configurations and functions within a temperature range of -40°C to +125°C.

Power Management - Specialized Feature Summary

• Provides galvanic isolation for accurate current monitoring in power systems
• Supports flexible high-side or low-side current sensing applications
• Delivers regulated output suitable for power management control loops

Power Management - Specialized Applications

• AC/DC switching power supply controllers
• Isolated current regulation circuits
• Power management IC integration

Power Management - Specialized Procurement Notes

Verify the IS4 suffix indicates the specific wide-body SOIC-8 package variant. Confirm moisture sensitivity handling requirements during assembly. Ensure the reverse suffix R denotes cut-tape packaging if applicable to your procurement channel. Cross-reference the manufacturer datasheet for exact electrical tolerances before finalizing design specifications.

Power Management - Specialized Selection Notes

Select this component when isolated current regulation is required in compact designs. The wide-body package facilitates thermal performance and manufacturing reliability. Verify that the 5 kVrms isolation rating meets system safety standards. Ensure the 3 V to 5.5 V supply range aligns with available board voltages.

Power Management - Specialized Part Context

This part belongs to the Si8941 family of isolated analog amplifiers and regulators. It shares architectural similarities with other Skyworks isolation products but is specifically optimized for current monitoring tasks. The series utilizes capacitive isolation technology to provide robust signal transmission across isolation barriers.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Skyworks resources for qualified alternatives.