RT9478 Datasheet | Richtek

Description The RT9478 is a 4-switch bidirectional buck-boost Narrow Voltage DC (NVDC) charge controller, designed to charge 2- to 4-cell batteries from a wide range of DC power sources, including USB-C Power Delivery (PD) sources, conventional AC-DC charger adapters, and mobile batteries. It also pliant with Intel IMVP 9.2 features . The device’s SMBus serial munication interface enables flexible programming of various parameters, including charging current, charging voltage, IMVP features , and protection thresholds for overvoltage and undervoltage conditions affecting the input, battery, and system outputs. The remended junction temperature range is - 40C to 125C, and the ambient temperature range is - 40C to 85C. 2 Applications - Notebook PCs - Tablets/Chromebooks - Drones - Portable Speakers - Portable Devices and Accessories 3 Features - Programmable Frequency: 720k Hz/800k Hz/1.2MHz - Wide Input Voltage Range from 3.8V to 24V - Average Input Current Regulation (AICR) - Minimum...