Aaron Xu is currently a Technical Marketing Manager at Monolithic Power Systems and is responsible for the definition and development of power ICs related to battery management systems. He has more than 15 years of professional experience in power electronics. Prior to joining MPS, Xu was a Senior Staff Systems Engineer and Technical Lead at Volterra Semiconductor Corporation. From 2010 to 2013, he held the role of Senior Power Systems Engineer in the Power Group of Apple Inc. and designed the latest AC/DC chargers for the iPad and iPhone targeted at Chinese and European markets. From 2005 to 2010, he worked in Texas Instrument’s, Battery Management System Group as a Product Space Champion and Senior Systems Engineer, defining state-of- the-art switching-mode battery chargers with I2C control for the mobile market. Xu was awarded his PhD in Electrical Engineering from the Center for Power Electronics Systems (CPES) at Virginia Tech in 2003.