SI82F89ABC-IS1

Isolators - Gate Drivers Overview

The SI82F89ABC-IS1 is a dual-channel isolated gate driver from Skyworks Solutions, housed in an SOIC-16 package. It provides 3.75 kVrms isolation and supports high-side and low-side configurations with non-inverting logic. The device delivers a peak output current of 1.5 A and operates on supply voltages between 3 V and 20 V. Key electrical parameters include a maximum propagation delay of 8 ns, rise time of 16 ns, and fall time of 22 ns. It functions within a temperature range of -40°C to +125°C and consumes 2.45 mA of quiescent current.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation for reliable signal transmission across potential differences
• Integrates dedicated high-side and low-side drivers for complete switching control
• Features CMOS-compatible inputs for straightforward interface with digital controllers

Isolators - Gate Drivers Applications

• Industrial motor drives requiring isolated control signals
• Inverter systems utilizing high-voltage power stages
• Switch-mode power supplies needing primary-to-secondary isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1 corresponds to the tube packaging format when ordering. Confirm that the 3.75 kVrms isolation rating meets the safety requirements of your target application. Ensure the SOIC-16 footprint matches your PCB layout constraints. Check for moisture sensitivity levels if the component has been stored in non-controlled environments prior to assembly.

Isolators - Gate Drivers Selection Notes

Select this component when a balance of moderate drive strength and high-speed performance is required. The 1.5 A output current suits smaller MOSFETs or IGBTs compared to higher-current variants. The non-inverting configuration simplifies logic design where phase alignment with the input signal is critical. Consider the thermal dissipation capabilities of the SOIC-16 package for your specific power density needs.

Isolators - Gate Drivers Part Context

This part belongs to the SI82F89 series of isolated gate drivers, which are designed for robust industrial applications. The series utilizes capacitive coupling technology to achieve high isolation voltage ratings while maintaining small form factors. It complements other Skyworks isolators by providing specialized power stage driving capabilities with integrated protection features.

Isolators - Gate Drivers Replacement Considerations

Direct replacements within the same family include SI82F89AGC-IS1R, though it differs in packaging (Reel vs Tube) and potentially availability. Verify pinout compatibility and electrical specifications before substituting with other series like SI82F29 or SI82E89, as drive currents and timing characteristics vary significantly.