Description
RT9472/D 3A Single Cell Switching Battery Charger General .
The RT9472/D is a highly-integrated 3A switch mode battery charge management and system power path management device for single cell Li-Ion and Li-pol.
Features
* High Efficiency, 1.5MHz, Synchronous SwitchMode Buck Charger
* 92% Charge Efficiency at 2A with 5V Input and 3.8V Battery
* Support 3.9V to 13.5V Input Voltage Range
* Average Input Current Regulation (AICR)
* Minimum Input Voltage Regulation (MIVR)
* Minimum Input Voltage
Applications
* Smart Phone/Tablet PC
* Personal Information Appliances
* Portable Device and Accessory
Host
USB CBUS
I2C BUS Host control
VAC VBUS
RT9472/D
PMID
QON
BTST
SW SYS BAT
CBTST L
CBAT
REGN
System CSYS
TS Battery Pack
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