RT9455
RT9455 is Switch-Mode Single Cell Li-Ion Battery Charger manufactured by Richtek.
®
Switch-Mode Single Cell Li-Ion Battery Charger with USB-OTG
General Description
The RT9455 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for portable applications. It integrates a synchronous PWM controller, power MOSFETs, input current sensing, high accuracy voltage regulation and charge termination circuits. The RT9455 also Features
USB On-The-Go (OTG).
The RT9455 optimizes the charging task by using a control algorithm to vary the charge rate via different modes, including pre-charge mode, fast charge mode, and constant voltage mode. The key charge parameters can be programmed via the I2C interface. The RT9455 resumes the charge cycle whenever the battery...
