Optimizing 45W Charging with Richtek Buck-Boost Switching Battery Chargers

Designed to accommodate 2 to 4 cell Li-ion and Li-polymer batteries, ideal for 45W applications such as chrome books, drones, portable vacuum cleaners, mPOS systems, and more, Richtek has launched the RT9492, the highly integrated 5A Buck-Boost switching battery charger with charge and system power path management. Featuring I²C serial interface with charging and system settings, the RT9492 is a truly flexible charger solution.

1. Achieving up to 96.7% high efficiency for 2-cell battery applications, it supports dual input control and USB On-The-Go function, providing precise charging resolution for USB-PD.
2. With only 2.5µA low battery discharge current in shipping mode, battery usage extends to over a month during shipment. *
3. Achieving a high +/- 0.3% high accuracy in charging voltage control for 2-cell battery applications, it provides an additional 2.35% charging capacity. *
4. The Fast Role Swap function supports USB-C products, ensuring seamless data and power transmission.
5. The I²C Interface supports 1.2V low voltage for communication with a 5nm application processor, expanding compatibility to a wider range of applications.

* Compare with a product with similar functionalities from other manufacturer.