SI82521CB-AM1R

Isolators - Gate Drivers Overview

The SI82521CB-AM1R is a galvanically isolated gate driver from Skyworks Solutions, designed for automotive applications. It features a DFN-14 package and provides high-side and low-side driving capabilities with 2.5 kV isolation. The device operates within a supply voltage range of 4.5 V to 20 V and supports temperatures from -40°C to +125°C. It holds AEC-Q100 qualification.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation between control and power stages
• Supports both high-side and low-side switching configurations
• Qualified for automotive reliability standards

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Inverter bridge drivers
• Isolated power supply gate driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AM1R indicates reel packaging when ordering. Confirm the CB variant matches the required thermal and electrical specifications for the target application. Ensure compatibility with the intended isolation voltage requirements before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for designs requiring robust automotive-grade isolation in a compact footprint. Consider the DFN-14 package constraints for thermal management. Verify that the 2.5 kV isolation rating meets the system's safety requirements compared to higher voltage alternatives.

Isolators - Gate Drivers Part Context

This part belongs to the SI82521 series of isolated gate drivers. It complements other variants like the CD-IS3 which uses an SOIC-14 package. The series focuses on providing reliable signal transmission across isolation barriers in demanding environments.

Isolators - Gate Drivers Replacement Considerations

SI82521CD-IS3 offers similar functionality but utilizes an SOIC-14 package instead of DFN-14. Check pinout compatibility and thermal performance differences when substituting.