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Texas Instruments bq25638EVM Charger Evaluation Module (EVM) is a complete evaluation system for the bq25638 IC. The bq25638 is a buck single-cell battery charger with an input range of 3.9V to 18V and NVDC power path management. The Texas Instruments bq25638EVM has a maximum input of 18V and a maximum charge current of 5A.