AHV85110KNHLU

Gate Driver Overview

The AHV85110KNHLU is a fully integrated, self-powered, single-channel isolated gate driver designed for driving GaN FETs. It features magnetic coupling technology providing 5000 Vrms isolation voltage and operates within a junction temperature range of -40°C to +150°C. The device delivers a maximum propagation delay of 50 ns, with rise and fall times of 9 ns and 7 ns respectively. It functions on an output supply voltage between 10.5 V and 13.2 V, housed in a compact 12-SMD (10x7.66) package.

Gate Driver Feature Summary

• Integrates isolated gate driver and power supply in a single package, eliminating the need for external auxiliary bias or high-side bootstrap circuits.
• Utilizes magnetic coupling technology to minimize common-mode capacitance, reducing EMI filter design complexity and improving overall system efficiency.
• Provides high peak source/sink current capability and fast propagation delay for efficient driving of GaN FETs in high-frequency designs.

Gate Driver Applications

• AC-DC and DC-DC converters
• Electric vehicle (EV) chargers and onboard chargers (OBC)
• Data center power supplies
• Microinverters and string inverters

Gate Driver Procurement Notes

Verify the specific suffix KNHLU against the manufacturer datasheet to confirm the 12-SMD package and magnetic coupling variant. Ensure compatibility with moisture sensitivity level requirements during storage and handling. Confirm that the 10.5 V to 13.2 V supply range aligns with your system's power architecture before integration.

Gate Driver Selection Notes

Select this component when designing high-efficiency power stages requiring galvanic isolation without external bootstrap capacitors. It is suitable for applications demanding low common-mode capacitance to reduce EMI. Consider its wide operating temperature range and high peak current drive capabilities for robust performance in automotive and industrial environments.

Gate Driver Part Context

Part of the AHV85110 series from Allegro MicroSystems, specifically engineered for Gallium Nitride (GaN) field-effect transistors. This series addresses the need for compact, high-performance gate drivers that simplify power stage design by integrating isolation and power delivery.

Gate Driver FAQ

Does the AHV85110KNHLU require an external bootstrap capacitor?

No, it is a self-powered driver that integrates the isolated power supply, eliminating the need for external bootstrap circuits or auxiliary bias powers.

What is the isolation technology used in this device?

The AHV85110KNHLU uses magnetic coupling technology to provide galvanic isolation.