RT9490S Datasheet - Richtek

RT9490S 5A 1-2 Cell Buck-Boost Switching Battery Charger

The RT9490S is a comprehensive solution that integrates a 5A Buck-Boost switch mode battery charger and system power path management device for 1-2 cell Li-Ion and Li-polymer batteries. Its low impedance power path optimizes switch-mode operation efficiency, which not only reduces battery charging t.

RT9490S Features

* High Efficiency, 750kHz/1MHz/1.5MHz Programmable Frequencies, Synchronous Switch-Mode Buck-Boost Charger

* 96.7% Charge Efficiency at 2A with 9V Input and 8V Battery

* Support 3.6V to 24V Input Voltage Range

* Average Input Current Regulation (AICR)

* Minimum Input Voltage Regu

RT9490S-Richtek.pdf