Single Floating 650V Isolated Driver For High-Voltage  GaNFET's

Hey1011-xLx trans 150x150


Main features

  • Floating 650V isolated driver for high-voltage GaNFET’s
  • No bootstrap components required
  • >100V/ns dv/dt immunity (CMTI)
  • 50ns propagation delay with excellent device-to-device
    matching of 5ns
  • Separate pull-up/ down drive output pins. Pull-down
    impedance 1.0Ω. Pull-up impedance 2.8Ω
  • More features

    • ≥ 100μm Distance through isolation (DTI)
    • 7.5V < VDRIVE < 15V
    • First pulse perfect – first drive pulse within specificatio
    • Continuous ON time capability – no need to recycle drive
    • Output drive pins OUTPU, OUTPD and OUTSS can swing ± 5kV with respect to GND
    • Safety-Related and Regulatory Approvals (planned)
      • 5700VRMS Withstand isolation voltage per UL 1577
      • 8000VPK Maximum transient isolation voltage per VDE0884-10
      • 630VPK Maximum working isolation voltage


  • Totem Pole PFC,
  • Half/ Full-Bridge,
  • LLC,
  • SR Drivers,
  • Multi-level converters using stacked switches
  • Secondary side control to primary drives
  • Automotive



Please find the available design resources in the table below

resource type name
datasheets HD-000071-DS-11-Hey1011-series datasheet View
datasheets HD-000157-DS-4-Hey1011-L12A datasheet View
application notes HD-000153-AN-3-Minimizing PCB parasitic effects View
users guides HD-000174-UG-8-Hey1011 Half Bridge DS Users Guide View

Hey1011 Series Product Versions

product version switch isolation package availability
Hey1011-L12A GaN non-rated LGA 12 pin Nov 2019
Hey1011-AL12 GaN 5kV LGA 12 pin H2 2020
Both isolated and non-rated drivers are of the floating type


12 pin LGA 10 x 7.66 x 2.65 mm

Pin Layout

Hey1011-xL2 pin layout

Block Diagram

fig2 block diagram