For example, many users charge their cell phones and media players by plugging them into their PC or laptop overnight. USB, however, is not without its challenges as a universal charging technology. This not only simplifies device charging and allows users to charge from any standard USB port, it substantially reduces system cost since there is no need for a secondary power connector in the device or a separate wall charger. With USB serving as the primary data interface for most portable electronics devices today, many manufacturers are looking to also leverage USB as a charging technology. Enabling all-the-time USB charging in PCs, laptopsĪ USB charger controller brings greater flexibility and efficiency to USB-based charging in a cost-effective and reliable manner