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Application Note: SY6974
3A, Single Cell Li-Ion DC/DC Switching Charger with I2C Control, USB Detection and OTG
JEITA Compliant, Power Path Management
General Description
The SY6974 is a fully-integrated switching battery charger with system power path management devices for single cell Li-ion and Li-polymer battery in a wide range of tablet and other portable devices. Its low impedance power path optimizes switching conversion efficiency, reduces battery charging time and extends battery life during the discharging mode. The I2C serial interface with charging and system settings makes the device a truly flexible solution.
The device supports a wide range of input sources, including standard USB port and high power DC adapter.