SI8273AB-AM1R

Isolators - Gate Drivers Overview

The SI8273AB-AM1R is a galvanically isolated gate driver from Skyworks Solutions, designed for high-speed switching applications. It features a DFN-14 package and supports a supply voltage range of 4.2 V to 30 V. The device provides a peak output current of 4 A with propagation delays up to 75 ns. It includes a 2.5 kV isolation rating and operates within a temperature range of -40°C to +125°C. Key electrical parameters include rise and fall times of 10.5 ns and 13.3 ns respectively, with a maximum power dissipation of 1.2 W.

Isolators - Gate Drivers Feature Summary

• High CMTI capability for noise immunity
• Integrated UVLO for protection
• Automotive-grade reliability

Isolators - Gate Drivers Applications

• Motor control systems
• Power supply inverters
• Industrial automation drives

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AM1R against official Skyworks documentation to confirm tape and reel packaging specifications. Ensure compatibility with automotive qualification standards if deployed in vehicle electronics. Cross-reference the DFN-14 footprint dimensions with PCB layout guidelines to prevent assembly errors. Confirm RoHS compliance status through the manufacturer's latest environmental declarations prior to procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high common-mode transient immunity is required alongside robust isolation. Consider the 4 A drive strength for medium-power MOSFET or IGBT switching. Evaluate the thermal performance given the 1.2 W dissipation limit in the DFN-14 package. Ensure the input logic levels match the TTL requirements specified in the datasheet for proper interface integration.

Isolators - Gate Drivers Part Context

This part belongs to the Si8273 series of isolated gate drivers. It complements other variants like the SI8273AB-IS1 by offering different packaging options. The series focuses on providing reliable galvanic isolation for power electronics. It serves as a bridge between low-voltage control circuits and high-voltage power stages.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si8273 family such as SI8273AB-IS1. Verify pinout compatibility before replacing with other isolated drivers. Ensure equivalent isolation ratings and drive currents are maintained. Consult Skyworks for updated lifecycle status as availability may vary.