This reference design demonstrates a high-power density 12V to 60V three-phase power stage using three LMG2100R044 100V, 35A gallium nitride (GaN) half-bridges with integrated GaN FETs, driver and bootstrap diode specifically for motor-integrated servo drives and robotics applications. Accurate phase-current sensing is achieved through either the IN241A current sense amplifier, or the AMC0106M05 functionally isolated delta-sigma modulator, DC-link and phase voltages are also measured allowing validation of advanced sensorless designs, such as the InstaSPINFOC™. The design offers a TI BoosterPack™ compatible 3.3V I/O interface to connect to a C2000™ MCU LaunchPad™ development kit or a Sitara™ microcontroller for quick and easy performance evaluation of TI's GaN technology.
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
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Reference design overview and verified performance test data
Detailed schematic diagram for design layout and components
Complete listing of design components, reference designators, and manufacturers/part numbers
Detailed overview of design layout for component placement
Files used for 3D models or 2D drawings of IC components
Design file that contains information on physical board layer of design PCB
PCB layer plot file used for generating PCB design layout
Includes TI products in the design and potential alternatives.
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