SI8231AB-D-IS

Isolators - Gate Drivers Overview

The SI8231AB-D-IS is a two-channel galvanically isolated gate driver from the Si823x series, manufactured by Skyworks Solutions Inc. It features a wide operating supply voltage range of 6.5 V to 24 V and provides a peak output current of 500 mA. The device utilizes capacitive coupling technology to achieve an isolation voltage of 2500 Vrms. It is housed in a 16-SOIC package with a width of 3.90 mm. The component supports high-side and low-side configurations and includes a 5 V undervoltage lockout (UVLO). It is qualified under AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology ensures high electromagnetic immunity and reliable signal transmission across the isolation barrier.
• Integrated high-side and low-side drivers facilitate direct control of power switches in half-bridge topologies.
• AEC-Q100 qualification confirms suitability for demanding automotive electronic environments.

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverters and converters
• High-voltage switching circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix against official Skyworks documentation to confirm pinout and electrical characteristics. Ensure the selected variant matches the required isolation voltage and UVLO threshold for the target application. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if environmental regulations apply to the end product.

Isolators - Gate Drivers Selection Notes

Select this component when a robust, automotive-grade isolated gate driver is required for half-bridge applications. The 500 mA peak drive current supports medium-power MOSFETs and IGBTs. Consider the 2500 Vrms isolation rating for safety requirements. Verify that the 6.5 V minimum supply voltage aligns with the system's available power rails before integration.

Isolators - Gate Drivers Part Context

This device belongs to the Si823x family of isolated gate drivers, which are designed for high-performance power conversion. The family offers various isolation ratings and drive currents to suit different industrial and automotive needs. The SI8231AB-D-IS specifically targets applications requiring 2500 Vrms isolation with a 5 V UVLO threshold.

Isolators - Gate Drivers Replacement Considerations

SI8231AB-D-IS1R is listed as a direct replacement option.