SI8274GB1-IM

Isolators - Gate Drivers Overview

The SI8274GB1-IM is a dual-channel galvanically isolated gate driver from Skyworks Solutions, utilizing radio frequency coupling technology for signal transmission. It features a 2500Vrms isolation voltage and supports a wide output supply range of 4.6V to 30V. The device provides peak output currents of 1.8A and 4A with typical rise and fall times of 10.5ns and 13.3ns respectively. Maximum propagation delay is specified at 75ns. It operates within a temperature range of -40°C to +125°C and is housed in a 14-LGA (5x5) surface-mount package.

Isolators - Gate Drivers Feature Summary

• Employs radio frequency coupling technology to provide robust galvanic isolation between input and output channels.
• Delivers high peak drive current capability to efficiently switch power semiconductor devices.
• Ensures signal integrity through high common-mode transient immunity against electrical noise.
• Supports flexible power supply configurations across a wide voltage range for diverse application needs.

Isolators - Gate Drivers Applications

• Industrial motor control systems
• Inverter circuits in renewable energy applications
• High-voltage switching power supplies
• Solid-state transformer implementations

Isolators - Gate Drivers Procurement Notes

Verify the specific ordering suffix to confirm package type and reel configuration. Ensure compatibility with existing PCB footprint dimensions for the 14-LGA package. Check for moisture sensitivity levels if storage conditions require reflow soldering after extended periods. Confirm that the isolation voltage rating meets the safety requirements of the target system design.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with minimal latency is required alongside strong noise immunity. The dual-channel configuration allows for independent control of high-side and low-side switches. Consider the thermal performance of the LGA package for heat dissipation in dense layouts. Evaluate the peak current ratings against the gate charge requirements of the intended power devices.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of digital isolators, which are designed to replace traditional optical couplers in modern power electronics. The series emphasizes speed, reliability, and compact form factors. The SI8274GB1-IM specifically targets applications requiring precise timing and high durability in electrically noisy environments.

Isolators - Gate Drivers Replacement Considerations

Direct replacements may include other Skyworks Si8274 variants with different packaging or pinout configurations. Cross-reference with competitors offering similar RF coupling technology and comparable isolation voltages. Ensure that any substitute matches the 14-LGA footprint and electrical specifications precisely.

Isolators - Gate Drivers FAQ

What is the maximum propagation delay for the SI8274GB1-IM?

The maximum propagation delay is 75 ns.

Does the SI8274GB1-IM support single-ended or differential inputs?

It is configured as a dual-channel driver suitable for driving high-side and low-side switches independently.