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Self-Powered Isolated GaN FET Driver with Integrated Bias Supply

AHV85110

Self-Powered Single-Channel Isolated GaNFET Gate Driver with Power-Thru Integrated Isolated Bias Supply

The AHV85110 simplifies isolated gate drive designs for GaN FETs, with an integrated bias supply that eliminates the need for external components. Offers high dv/dt immunity, fast propagation delay, and robust protection features.

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Product Detail
Availability
Documentation and Resources

Top Features

Typical Applications

Packaging

Transformer isolation barrier
Power-Thru integrated isolated bias
- No need for high-side bootstrap
- No need for external secondary-side bias
AEC-Q100 Grade 2 qualification
50 ns propagation delay
Separate drive output pins: pull-up (2.8 Ω) and pull-down (1.0 Ω)
Supply voltage 10.5 V < VDRV < 13.2 V
Undervoltage lockout on primary VDRV and secondary VSEC
Enable pin with fast response
Continuous ON capability—no need to recycle IN or recharge bootstrap capacitor
CMTI > 100 V/ns dv/dt immunity
Creepage distance 8.4 mm
Safety Regulatory Approvals
- 5 kV RMS VISO per UL 1577
- 8 kV pk VIOTM maximum transient isolation voltage
- 1 kV pk maximum working isolation voltage

AC-DC and DC-DC Converters: Totem-pole PFC, LLC half-/full-bridge, SR drive, multi-level converters, phase-shifted full-bridge
Automotive: EV chargers, OBC
Industrial: Data center, transportation, robotics, audio
Clean Energy: Micro-inverters, string-inverters and solar inverters

The device is available in a 12-pin, low-profile surface-mount NH package. It measures 10 mm × 7.66 mm × 2.41 mm. Several protection features are integrated, including undervoltage lockout on primary and secondary bias rails, internal pull-down on IN pin and OUTPD pin, fast response enable input, and OUT pulse synchronization with first IN rising edge after enable (avoids asynchronous runt pulses).

Part Number Specifications and Availability

HV Isolated Evaluation Boards

EVK PN	Switch	Supplier / PN	Description	Gate Driver Used
APEK85110KNH-01-T-MH Evaluation Board User Guide (GaN Systems FETs)	E-Mode GaN	GaN Systems GS66516B	Half-bridge bipolar driver-switch board	AHV85110	Buy Now
APEK85110KNH-05-T-MH Evaluation Board User Guide (Nexperia FETs)	E-Mode GaN	Nexperia GAN080-650EBE	Half-bridge bipolar driver-switch board	AHV85110	Buy Now
APEK85110KNH-06-T Evaluation Board User Guide (Transphorm FETs)	GaN	Transphorm TP65H070G4QS	Half-bridge bipolar driver-switch board	AHV85110	Buy Now

AHV85110 Product Overview

The AHV85110 isolated gate driver is optimized for driving GaNFETs in multiple applications and topologies. An isolated output bias supply is integrated into the driver device, eliminating the need for any external gate drive auxiliary bias supply or high-side bootstrap.

Documentation and Resources

Documentation

Design Tools

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All Types

All Types Application Note Brochure Guide Infographic Technical Article

Documents Found: 32

Document Type	Document Name
Application Note	FET Gate Drive and Bipolar Output Applicable to AHV85110KNHTR Gate Drivers
Application Note	Minimizing PCB Parasitic Effects with Optimum Layout of the Gate Driver Loop Applicable to AHV85110 AND AHV85111 Gate Drivers
Application Note	Design and Application Guide for AHV85110
Brochure	Brochure: The AHV85110 Overview
Brochure	xEV Thermal Management System Brochure
Brochure	Comfort Through Sustainability - Unlock the Power of Heat Pump Innovation
Brochure	Brochure: Solar Energy Harvesting
Brochure	DC Fast Charging: Faster and Farther
Guide	AHV85110 Simplis Modeling Guide
Guide	APEK85110KNH-06-T Evaluation Board User Guide (Transphorm FETs)
Guide	APEK85110KNH-05-T-MH Evaluation Board User Guide (Nexperia FETs)
Guide	APEK85110KNH-01-T-MH Evaluation Board User Guide (GaN Systems FETs)
Infographic	Power-Thru-Technology Infographic
Technical Article	Solving the Challenges of Increasing Power Density by Reducing Number of Power Rails
Technical Article	Simplify Designs and Reduce Overall Systems Cost by Eliminating External Power Supplies
Technical Article	Solving Gate Drive Challenges with Technology for Improved Power Design

Filter Document Type:

All Types

All Types Device Selection Tool Simulation Tool

Documents Found: 32

Document Type	Document Name
Device Selection Tool	GaNFET Mapping Tool
Simulation Tool	AHV85110 Bipolar Simplis Model
Simulation Tool	AHV85110 Unipolar Simplis Model