SI8751AB-ASR

Isolators - Gate Drivers Overview

The SI8751AB-ASR is a single-channel isolated gate driver from Skyworks Solutions, designed for high-performance switching applications. It features a non-inverting configuration with a digital CMOS input interface and capacitive coupling isolation technology rated at 2.5 kV. The device operates within a supply voltage range of 2.25 V to 5.5 V and supports a maximum quiescent current of 13.8 mA. It provides robust protection against false triggering with a maximum blanking time of 35 µs. The component is housed in an SOIC-8 surface-mount package and is qualified under the AEC-Q100 standard for automotive reliability, ensuring stable operation across an extended temperature range.

Isolators - Gate Drivers Feature Summary

• Integrates strong isolation technology with efficient FET gate drive capability for solid-state relay configurations
• Utilizes capacitive coupling for reliable signal transmission across the isolation barrier
• Includes built-in blanking time to prevent false triggering during high dv/dt events

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Custom solid-state relay (SSR) designs
• AC or DC load switching applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix ASR corresponds to the SOIC-8 tape-and-reel packaging format required for your assembly line. Confirm that the AEC-Q100 qualification status meets your automotive grade requirements. Ensure compatibility with the 2.5 kV isolation rating for your system's safety standards. Cross-reference the pinout diagram with your PCB layout to guarantee correct orientation of the non-inverting input and output channels.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel, non-inverting isolated driver is required for driving MOSFETs or IGBTs. It is suitable for applications needing digital CMOS compatibility and robust noise immunity. Consider the 35 µs blanking time if driving loads with significant switching transients. This part is appropriate for designs prioritizing compact SOIC-8 packaging and automotive-grade reliability over multi-channel integration.

Isolators - Gate Drivers Part Context

The SI8751AB-ASR belongs to the Si8751/52 family of isolated FET drivers manufactured by Skyworks Solutions. These devices are engineered to simplify the creation of custom solid-state relays by combining powerful isolation with flexible output stages. The family supports both digital CMOS inputs and diode emulation options, allowing designers to tailor switching behavior for various AC or DC load configurations while maintaining high efficiency.

Isolators - Gate Drivers FAQ

What type of isolation technology does the SI8751AB-ASR use?

It utilizes capacitive coupling technology to provide electrical isolation between the input and output sides.

Is the SI8751AB-ASR suitable for automotive applications?

Yes, the device is qualified according to the AEC-Q100 standard for automotive electronic components.