SI8238AD-C-ISR

Isolators - Gate Drivers Overview

The SI8238AD-C-ISR is a dual-channel digital isolator and gate driver manufactured by Skyworks Solutions Inc. It utilizes capacitive coupling technology to provide galvanic isolation with a rated voltage of 5000Vrms. The device features a peak output current capability of 4A, supporting high-power switching applications. It operates within an extended temperature range of -40°C to 125°C and is housed in a 16-SOIC package. The component includes a 5V undervoltage lockout (UVLO) feature on the input side and is designed for robust performance in industrial environments.

Isolators - Gate Drivers Feature Summary

• Dual-channel capacitive coupling architecture for high-speed signal transmission
• Integrated 4A peak output drive capability for efficient power switch control
• High electromagnetic immunity with specified common-mode transient rejection
• Automotive-grade qualification ensuring reliability under harsh operating conditions

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Solar micro-inverter systems
• Battery management systems in electric vehicles
• High-frequency switched-mode power supplies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'C' against official Skyworks documentation to confirm pinout and functional compatibility, as variations exist within the SI8238 family. Ensure the selected packaging matches production requirements. Cross-reference the AEC-Q100 certification status if automotive compliance is mandatory for the final assembly. Confirm lead times directly with authorized distributors due to potential supply chain fluctuations.

Isolators - Gate Drivers Selection Notes

Select this component when dual isolated gate driving is required with high surge current capacity. The 5000Vrms isolation rating suits applications demanding significant potential difference between control and power domains. Consider the 16-SOIC footprint for PCB layout constraints. Evaluate the 4A peak current against the target MOSFET or IGBT gate charge requirements to ensure adequate switching speed without thermal overload.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x series of isolated gate drivers from Skyworks Solutions. The series is characterized by its use of silicon dioxide-based capacitive coupling technology, which offers superior longevity compared to optical couplers. The SI8238 variant specifically targets high-current applications requiring dual-channel isolation with integrated driver functionality.

Isolators - Gate Drivers Replacement Considerations

Direct replacements include other parts within the SI8238 family such as SI8238AD-D-ISR, provided the UVLO threshold and pinout compatibility are verified. Alternative manufacturers may offer similar specifications, but electrical parameters and isolation ratings must be strictly matched.