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 compliant with Intel IMVP 9.2 features. The device’s SMBus serial communication 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 recommended junction temperature range is −40°C to 125°C, and the ambient temperature range is −40°C to 85°C.
Applications
- Notebook PCs
- Tablets/Chromebooks
- Drones
- Portable Speakers
- Portable Devices and Accessories