SI8275BB-IS1R

Isolators - Gate Drivers Overview

The SI8275BB-IS1R is a dual-channel, automotive-grade isolated gate driver from Skyworks Solutions. It utilizes RF coupling technology to provide galvanic isolation with a 2500Vrms insulation voltage and high common-mode transient immunity (CMTI). The device features a SOIC-16 surface-mount package and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It supports an input voltage range of 2.5 V to 5.5 V and delivers up to 4 A output current. The component is designed for applications requiring low latency and skew.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity for robust signal integrity in noisy environments
• Automotive qualification ensuring reliability under extreme operating conditions
• Integrated undervoltage lockout (UVLO) for safe power management
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverter drives
• High-voltage DC/DC converters
• Solid-state transformer interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS1R' against the manufacturer's official datasheet to confirm pinout configuration and functional specifications. Ensure that the selected variant meets the required automotive grade standards and isolation voltage ratings for the target application environment. Cross-reference the package type and thermal dissipation limits with the system design constraints before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with minimal propagation delay is critical. The dual-channel architecture allows for independent control of high-side and low-side devices. Consider the 2500Vrms isolation barrier for safety-critical applications. Evaluate the thermal performance within the SOIC-16 package against the expected power dissipation levels in the final assembly.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of isolated gate drivers, which are designed for high-performance power conversion applications. The series offers various channel configurations and packaging options to suit different design requirements. The SI8275BB-IS1R specifically targets automotive and industrial markets where reliability and high CMTI are paramount.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other parts within the Si827x family or comparable high-CMTI isolated drivers from Skyworks. Verify pin compatibility and electrical parameters such as output current and isolation voltage when considering alternatives.