SI8275BB-AM1R

Isolators - Gate Drivers Overview

The SI8275BB-AM1R is a galvanically isolated gate driver from the Si8275 series, manufactured by Skyworks Solutions. It features a dual driver configuration with two outputs and operates within an input voltage range of 2.5 V to 5.5 V. The device provides an insulation voltage of 2.5 kVrms and supports a maximum power dissipation of 1.2 W. Key electrical parameters include a maximum propagation delay of 75 ns, a rise time of 16 ns, and a fall time of 18 ns. It delivers an output current of 4 mA at an output voltage of 8 V, with a working supply current of 10 mA. The component is housed in a 14-DFN (5x5) package and is designed for automotive applications.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity suitable for demanding environments
• Integrated under-voltage lockout (UVLO) for reliable operation
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor drive control circuits
• Inverter gate driving applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AM1R against official Skyworks documentation to confirm the reel packaging format and tape-and-reel specifications. Ensure that the automotive qualification status aligns with project requirements before finalizing procurement orders. Cross-reference the datasheet revision date to guarantee compatibility with existing design constraints.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation with low latency is required for automotive-grade gate driving. The dual-channel architecture simplifies designs needing independent control of multiple switches. Consider the 14-DFN footprint for compact PCB layouts. Validate thermal performance given the 1.2 W power dissipation limit in the intended application environment.

Isolators - Gate Drivers Part Context

This part belongs to the Si8275 family of isolated gate drivers, which are engineered for high reliability in automotive and industrial sectors. The series emphasizes robust signal integrity through advanced capacitive isolation technology. The SI8275BB-AM1R specifically targets applications requiring precise timing and high noise immunity in power conversion stages.

Isolators - Gate Drivers Replacement Considerations

Check the SI8275BBD-IS1R for tube-packaged alternatives within the same functional family. Verify pinout compatibility and electrical parameter equivalence before substitution. Consult Skyworks official documentation for any obsolescence notices or recommended upgrades.