SI82521AD-IS3R

Isolators - Gate Drivers Overview

The SI82521AD-IS3R is a high-performance isolated gate driver from Skyworks Solutions, designed for robust power switching applications. It features a wide-body SOIC-14 package to accommodate high creepage and clearance distances. The device integrates both high-side and low-side drivers with a 5.0 kV isolation rating, ensuring reliable operation in noisy environments. It supports data rates up to 1 Mbps and operates within an extended temperature range of -40°C to +125°C. The component is AEC-Q100 qualified, making it suitable for automotive electronics where durability and precision are critical.

Isolators - Gate Drivers Feature Summary

• Integrates high-side and low-side gate drivers in a single wide-body package
• Provides 5.0 kV reinforced isolation for safe signal transmission across potential differences
• AEC-Q100 qualified for automotive reliability standards
• Operates reliably in extreme temperatures up to 125°C

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverters and converters
• High-voltage power supply circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3R indicates tape-and-reel packaging when ordering. Confirm that the wide-body SOIC-14 footprint matches your PCB layout constraints. Ensure the design accounts for the 5.0 kV isolation requirements and thermal management needs associated with high-side/low-side driving. Cross-reference the AEC-Q100 qualification if automotive compliance is mandatory for your project specifications.

Isolators - Gate Drivers Selection Notes

Select this component when high voltage isolation and automotive reliability are required. The wide-body package is essential for maintaining safety margins in high-voltage designs. Consider the 1 Mbps data rate capability for communication speed requirements. Evaluate the thermal performance at maximum operating temperatures to ensure system stability under load conditions.

Isolators - Gate Drivers Part Context

This part belongs to the Si82521 series of isolated gate drivers. It is manufactured by Skyworks Solutions Inc., a provider of semiconductor solutions. The series is known for combining digital isolation technology with gate drive functionality. This specific model focuses on providing robust isolation for power switching applications in demanding environments.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si82521 family or other Skyworks isolated gate drivers with similar isolation ratings and package types. Verify pin compatibility and electrical characteristics before substitution. Consult official datasheets for any functional differences between variants.