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 Documents
Datasheet (1)
Title Abstract Type Size (KB) Date Views
PDF 2044 27 Feb 2018
User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 1386 22 Mar 2017 308
Design files (1)
Title Abstract Type Size (KB) Date Views
ZIP 1866 24 Aug 2017 51

TI Devices (4)

Part Number Name Product Family
LMG1205  100-V, 1.2-A, 5-A, Half-Bridge Gate Driver for Enhancement Mode GaN FETs  Gallium Nitride (GaN) Solutions 
LP38690  1A Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors  Linear Regulator (LDO) 
SN74LVC2G14  Dual Schmitt-Trigger Inverter  Buffer/Driver 
SN74LVC3G14  Triple Schmitt-Trigger Inverter  Buffer/Driver 

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