ADUM4121-1TRIZ-EPR

Isolators - Gate Drivers Overview

The ADUM4121-1TRIZ-EPR is a high-voltage, isolated single-channel gate driver from Analog Devices. It employs iCoupler technology to provide precision isolation with a 5 kV rms rating. The device features an internal Miller clamp and thermal shutdown protection (TSD). It offers a 2 A output current capability and supports a common mode transient immunity of 150 kV/μs. Packaged in an 8-pin wide-body SOIC, it is designed for robust performance in demanding power electronics applications.

Isolators - Gate Drivers Feature Summary

• Integrates an internal Miller clamp to prevent false turn-on events during high dv/dt switching.
• Incorporates thermal shutdown protection to safeguard the device under fault conditions.
• Utilizes iCoupler technology to deliver precise digital isolation without external magnetic components.

Isolators - Gate Drivers Applications

• Driving Silicon Carbide (SiC) MOSFETs
• High-frequency power conversion systems
• Industrial motor drives

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'EPR' against the manufacturer's latest documentation to confirm compliance with RoHS directives and environmental standards. Ensure the ordering part number matches the required tape-and-reel packaging configuration. Cross-reference the datasheet revision date to validate that all electrical characteristics and pinout definitions remain consistent with your design requirements.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with integrated Miller clamping is required. It is suitable for applications needing high common-mode transient immunity and thermal protection. Consider the 5 kV rms isolation barrier and 2 A drive strength as primary selection criteria for driving wide-bandgap semiconductors in compact form factors.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM4121 family of isolated gate drivers. It shares core functionality with variants like the ADUM4121ARIZ but may differ in packaging or environmental specifications. The family utilizes iCoupler technology for signal transmission across the isolation barrier, offering a compact alternative to traditional transformer-based solutions.

Isolators - Gate Drivers Replacement Considerations

The ADUM4121CRIZ and ADUM4121ARIZ are related parts within the same functional family. Verify if the specific environmental ratings or package variations of these alternatives meet the system requirements before substitution.

Isolators - Gate Drivers FAQ

What is the common mode transient immunity of the ADUM4121-1?

The device provides a common mode transient immunity of 150 kV/μs.

Does the ADUM4121-1 include protection features?

Yes, it includes an internal Miller clamp and thermal shutdown protection (TSD).