LMG1205 GaN Power Stage Evaluation Module
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80-V 10A Power Stage EVM - The LMG1205 half-bridge EVM board is a small, easy to use, power stage with an external PWM signal. The EVM is suitable for evaluating the performance of the LMG1205 driving a GaN half-bridge in many different DC-DC converter topologies. It can be used to estimate the performance of the half-bridge to measure efficiency. The module is capable of delivering a maximum of 10A of current. However, adequate thermal management (forced air, running at low frequency etc) should be followed to ensure that the maximum operating temperature specification  for the on-board components is not exceeded. The EVM is not suitable for transient measurements as it’s an open loop board.

  • Input voltage operates up to 80V
  • Simple open loop design to evaluate performance of LMG1205 driving a GaN Half-Bridge
  • VDD supply generated from an onboard linear regulator
  • Single PWM  input on board for PWM signal with < 8ns dead time
  • Kelvin sense capability for input and output to measure efficiency
  • Output current sense shunt resistor

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LMG1205 GaN Power Stage Evaluation Module


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Technical documentation
Datasheet (1)
Title Type Size (KB) Date
PDF 2039 27 Feb 2018
User guides (1)
Title Type Size (KB) Date
PDF 1386 22 Mar 2017
Design files (1)
Title Type Size (KB) Date
ZIP 1866 24 Aug 2017
More literature (1)
Title Type Size (KB) Date
PDF 38 02 Jan 2019

TI Devices (4)

Part Number Name Product Family
LMG1205  1.2-A, 5-A 100-V, half bridge gate driver with 5-V UVLO for GaNFET and MOSFET  Gate drivers 
LP38690  1-A, 10-V, low-dropout voltage regulator  Power management 
SN74LVC2G14  Dual Schmitt-Trigger Inverter  Buffer/driver 
SN74LVC3G14  Triple Schmitt-Trigger Inverter  Buffer/driver 

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