ADUM4121-1TRIZ-EP

Isolators - Gate Drivers Overview

The ADUM4121-1TRIZ-EP is a high-voltage, isolated single-channel gate driver from Analog Devices. It utilizes iCoupler technology for precision isolation and features an internal Miller clamp to prevent false turn-on. The device provides a 2 A output current capability with rise and fall times of 18 ns. It operates within a supply voltage range of 2.5 V to 6.5 V on the input side and supports output voltages from 7.5 V to 35 V. The component is housed in an SOIC-8 package and functions across a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Employs iCoupler technology for galvanic isolation without magnetic components
• Integrates an internal Miller clamp circuit for robust switching stability
• Supports both inverting and non-inverting signal configurations
• Includes a shutdown pin for active control of the output state

Isolators - Gate Drivers Applications

• Driving Silicon Carbide (SiC) MOSFETs in high-frequency power converters
• Isolated gate driving for IGBT modules in industrial inverters
• High-voltage DC/DC converter control stages requiring precise timing
• Motor drive systems necessitating reliable high-side switching

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'EP' indicates an enhanced product variant or environmental compliance status distinct from standard commercial grades. Confirm that the 'TRIZ' designation corresponds to the tape-and-reel packaging format rather than tube packaging. Ensure the procurement source explicitly lists the full part number including the '-1' channel configuration to avoid confusion with the base ADUM4121 model.

Isolators - Gate Drivers Selection Notes

Select this component when high common-mode transient immunity and compact isolation are required without external magnetics. The integrated Miller clamp simplifies layout by reducing susceptibility to dv/dt noise. Consider the 2 A peak current rating against the target switch's gate charge requirements. Verify that the operating voltage range aligns with the specific MOSFET or IGBT gate drive needs.

Isolators - Gate Drivers Part Context

This part belongs to the ADuM4121 series of isolated gate drivers. It is functionally related to the ADUM4121CRIZ but differs in packaging and potentially qualification level. The series leverages silicon dioxide-based isolation technology. Other family members include the ADUM4122 for dual-channel applications and the ADUM4137 for specialized IGBT control.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.