Co. LtdThe AXP221S is an integrated power management IC (PMIC) designed to provide rich power management and features for Allwinner tech Co. Ltd mobile and portable applications. It is packaged in a 68-pin QFN package that offers superior thermal performance as well as better mechanical stress protection. The AXP221S supports the supply of up to 4 ways of voltage output, 2 way of charging current, 1 way of USB charger, 1 way of VBUS output, 1 way of light load power output, and 1 way of pre-charging. The device also offers built-in overcurrent/voltage protection, over temperature protection, and reverse connection protection features to protect the system and prevent it from any sort of damage. By integrating all of these features into a single chip, the AXP221S helps reduce the system's complexity and cost. The device is fully compliant with RoHS requirements and is suitable for a wide range of electronic products.