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Texas Instruments TPS63900EVM Converter Evaluation Module (EVM) is designed to help the users easily evaluate and test the operation and functionality of the TPS63900 buck-boost converter. The evaluation module operates from 1.8V to 5.5V input voltage. Output currents can go up to 400mA in buck mode and boost mode. The user can evaluate the different features of the TPS63900, including the low Iq and the programming interface. The Texas Instruments TPS63900 comes in a small 2.5 x 2.5mm2 WSON package.