The STUSB4700YQTR is a stand-alone USB Power Delivery (PD) controller with a USB interface integrated circuit. This USB PD controller manufactured by STMicroelectronics is capable of negotiating voltages, currents and power delivery profiles between two ports. It has a maximum system current capability of 3A and an input voltage range of 4.75V to 28V. The device is designed with a proprietary short-to-VBUS protection feature which ensures the safety of both the device and the connected system during faults. This device also features a programmable 500KHz/1MHz selectable buck-boost converter for efficient portable power applications. The device also makes use of different power profiles such as customized power profile, battery charging profile, USB power adapter profile and USB fast role swap profile. The STUSB4700YQTR is a must-have for ultra-low power USB PD host and accessory solutions.