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AHV85040 - GaN FET Isolated Gate Driver

Download the AHV85040 datasheet PDF. This datasheet also covers the AHV85000 variant, as both devices belong to the same gan fet isolated gate driver family and are provided as variant models within a single manufacturer datasheet.

General Description

The AHV85000 + AHV85040 is a cost-optimized isolated gatedrive chipset for gallium-nitride (GaN) field-effect-transistor (FET) devices.

Key Features

  • Chipset transmits both PWM signal and bias power through a single external isolation transformer.
  • No high-side bootstrap.
  • No external secondary-side bias supply.
  • 50 ns propagation delay (with recommended transformers).
  • 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.
  • Conti.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AHV85000-Allegro.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Allegro MicroSystems

Part Number Description
AHV85000 GaN FET Isolated Gate Driver
AHV85110 Self-Powered Single-Channel Isolated GaNFET Driver
AHV85111 Self-Powered Single-Channel Isolated GaNFET Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
AHV85000 + AHV85040 GaN FET Isolated Gate Driver Chipset with Power-Thru Integrated Isolated Bias Supply FEATURES AND BENEFITS • Chipset transmits both PWM signal and bias power through a single external isolation transformer □ No high-side bootstrap □ No external secondary-side bias supply • 50 ns propagation delay (with recommended transformers) • Separate drive output pins: pull-up (2.8 Ω) and pull-down (1.0 Ω) • Supply voltage 10.5 V < VDRV < 13.