SI8275DBD-IM1R

Isolators - Gate Drivers Overview

The SI8275DBD-IM1R is a dual-channel isolated gate driver from Skyworks Solutions, utilizing RF coupling technology for signal transmission. It features a 14-QFN (5x5 mm) surface-mount package and provides 2500Vrms isolation voltage with a minimum common-mode transient immunity of 200kV/µs. The device supports an output supply voltage range of 4.2V to 30V and operates within a temperature range of -40°C to +125°C. Key electrical parameters include maximum propagation delays of 75ns for both high-to-low and low-to-high transitions, a maximum pulse width distortion of 8ns, and typical rise/fall times of 10.5ns and 13.3ns respectively. Peak output currents are rated at 4A.

Isolators - Gate Drivers Feature Summary

• Utilizes proprietary RF coupling technology for robust signal isolation without magnetic core limitations.
• Delivers high common-mode transient immunity to ensure reliable operation in electrically noisy environments.
• Provides independent high-side and low-side drive channels with asymmetric current sourcing and sinking capabilities.

Isolators - Gate Drivers Applications

• Industrial motor control systems requiring galvanic isolation
• Inverter and converter topologies in power electronics
• Solid-state transformer interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IM1R against official Skyworks documentation to confirm tape-and-reel packaging and pinout configuration. Cross-reference the manufacturer part number with authorized distributor catalogs to ensure authenticity. Confirm that the component meets required environmental certifications such as UL, CSA, or VDE standards for your target application region. Check for any recent product change notifications regarding manufacturing site updates.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with minimal latency skew is critical for system performance. Ensure the input logic levels are compatible with the specified TTL input requirements. Verify that the PCB layout accommodates the 14-QFN footprint and maintains adequate creepage distances for the 2500Vrms isolation rating. Consider thermal management strategies given the operating temperature range and power dissipation characteristics.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x series of isolated gate drivers, designed to replace traditional optocouplers in modern power conversion applications. The series emphasizes high reliability and speed through silicon-based RF coupling technology. It serves as a direct replacement candidate for legacy magnetic or optical isolators in industrial and automotive contexts where space and performance are constrained.

Isolators - Gate Drivers Replacement Considerations

Consult official Skyworks substitution guides for verified alternatives within the Si827x family. No public substitute part numbers are confirmed in the provided data.