SI8261BCD-C-IMR

Isolators - Gate Drivers Overview

The SI8261BCD-C-IMR is a single-channel, opto-driver replacement gate driver from Skyworks Solutions. It features capacitive coupling technology with a 5000Vrms isolation voltage and delivers up to 4.0A peak output current. The device operates within a supply voltage range of 5V to 30V and includes a 12V undervoltage lockout (UVLO). It supports an inverting logic configuration with propagation delays up to 70ns. The component is AEC-Q100 qualified for automotive applications and functions reliably across temperatures from -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Provides digital CMOS drop-in replacement for traditional optocoupler drivers
• Offers superior common-mode transient immunity compared to optical isolators
• Ensures robust performance and long-term reliability for high-power motor control
• Supports fail-safe operation suitable for extended product warranty requirements

Isolators - Gate Drivers Applications

• Automotive industrial drives and motor control systems
• Solar power inverters and renewable energy converters
• Switched-mode power supplies (SMPS) and UPS units
• High-voltage medical equipment requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'C-IMR' against official Skyworks documentation to confirm the 12V UVLO threshold and reel packaging format. Ensure the procurement channel sources genuine components, as availability may be restricted in certain regions. Cross-reference the AEC-Q100 qualification status if automotive compliance is required for the final assembly.

Isolators - Gate Drivers Selection Notes

Select this component when replacing legacy opto-drivers in high-noise environments due to its superior common-mode transient immunity. Choose the SI8261BCD-C-IMR for applications requiring a 4.0A drive capability and 5000Vrms isolation. Consider the 12V UVLO feature for protecting loads during low-voltage conditions. Verify that the LGA package footprint matches the existing PCB design constraints.

Isolators - Gate Drivers Part Context

This part belongs to the Si826x series of digital gate drivers designed to replace optocouplers. The series utilizes capacitive coupling technology to provide enhanced reliability and speed. The SI8261 variant specifically targets single-channel applications requiring high current drive capabilities. It serves as a modern alternative to traditional LED-based isolation methods in power electronics.

Isolators - Gate Drivers Replacement Considerations

• SI8261BCD-C-IS