AHV85111KNHTR

Isolators - Gate Drivers Overview

The AHV85111KNHTR is a fully integrated high-voltage isolated gate driver with bipolar output, optimized for driving GaN FETs. It features a 12-SMD package and supports a single channel. Key electrical parameters include an insulation voltage of 5 kVrms, maximum propagation delay of 100 ns, rise time of 9 ns, and fall time of 7 ns. The operating temperature range spans from -40°C to +150°C. Supply voltage ranges from 10.8 V to 13.2 V, with a quiescent current of 2 mA.

Isolators - Gate Drivers Feature Summary

• Fully integrated high-voltage isolation architecture
• Bipolar output configuration for enhanced switching control
• Optimized specifically for Gallium Nitride Field-Effect Transistor applications

Isolators - Gate Drivers Applications

• Driving GaN FETs in multiple power electronics topologies
• Automotive power conversion systems requiring high reliability
• Industrial motor drives utilizing wide-bandgap semiconductors

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix KNHTR against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with moisture sensitivity levels and storage conditions prior to assembly. Cross-reference the ordering part number with authorized distributors to avoid counterfeit components. Confirm that the supplier provides valid traceability documentation for automotive-grade quality standards if required by the application design.

Isolators - Gate Drivers Selection Notes

Select this component when designing circuits requiring galvanic isolation between control logic and high-voltage GaN switches. The bipolar output capability distinguishes it from unipolar drivers, offering specific timing characteristics suitable for advanced switching strategies. Consider the 12-SMD footprint constraints during PCB layout. Evaluate the thermal performance within the specified -40°C to +150°C range to ensure long-term stability in harsh environments.

Isolators - Gate Drivers Part Context

This device belongs to the AHV85111 series from Allegro MicroSystems, which focuses on self-powered isolated gate drivers. The series is engineered to simplify the interface between low-voltage controllers and high-side GaN devices. It eliminates the need for external bootstrap circuits or complex isolation barriers, integrating necessary functions into a compact surface-mount package for efficient system integration.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult Allegro MicroSystems directly for qualified alternatives within the AHV85xxx family.