RK818-1 - Rockchip

Description:  Input range: 3.8V - 6V for USB input； 2.7V - 4.5V for BAT input  Switch mode Li-ion battery charger providing charging current up to 3A.  Power path controller with 5A current path.  Accurate battery fuel gauge.  Real time clock（RTC）  Low standby current of less than 40uA (at 32KHz clock frequency)  2MHz switching frequency for the buck converters  1MHz switching frequency for the boost converter  Fast transient response due to the current mode architecture  Internal frequency compensati