High-speed, half-bridge GaN driver eval board

Featured Product from Richardson RFPD

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The GaN Systems GS-EVB-HB-66508B-ON1 evaluation board from Richardson RFPD consists of a high-voltage gate drive solution with two GS66508B GaN E-HEMTs in a fully-functional Half-Bridge. It allows users to easily evaluate GaN in an ultra-small layout for a highly cost-effective solution.


  • 650V high-side and low-side GaN Gate Driver

  • CMTI Rating 200 V/ns for SW and PGDN nodes

  • Independent Source/Sink for EMI dV/dt Adjust

  • Integrated VGS regulation and 1MHz+ range

  • Ultra-small 650V GaN gate drive PCB layout

  • Reduced schematic part count and BOM Cost

    Applications and Benefits

  • AC-DC Adapters for Mobile, OLED TV, Gaming

  • Enterprise: 1U Power Supplies to 3kW range

  • Industrial: PV Inverters/ESS and Motor Drives

  • Totem Pole Bridgeless PFC, LCC, ACF, ZVS

  • Highly integrated Half-Bridge Driver in QFN 4×4 creates ultra-small GaN gate drive layouts

  • 1MHz operation and 200 V/ns CMTI allows high power density GaN-based system designs