The PCA21125T/Q900/1,118 is a part of NXP Semiconductors’ PCA211xx family of high-efficiency synchronous buck controllers. It is designed for a wide range of applications, including LED Driver, LiPo Charger, USB Power Delivery and Power Banks. This device features a minimal external BOM and a low-cost solution. It boasts of the highest efficiency in its class with the incorporation of NXP’s proprietary control strategy. Other features include an adjustable input voltage range, integrated high-side FET and low-side FET, and a wide range of output voltage and current configurations.