The MICROCHIP AC243008 is a highly integrated, low-power, cost-effective CMOS device that provides a complete USB battery charger solution for single-cell Li-Ion or Li-Polymer batteries. It is capable of delivering up to 1A of continuous charge current, making it suitable for charging a wide range of mobile devices. The AC243008 also features a power path management circuit that allows the system to be powered from either the USB port or the battery. This makes it ideal for use in applications where the device may be frequently disconnected from the USB power source.